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-rw-r--r--src/cpu/kernels/scale/neon/fp16.cpp276
-rw-r--r--src/cpu/kernels/scale/neon/integer.cpp783
-rw-r--r--src/cpu/kernels/scale/neon/list.h617
-rw-r--r--src/cpu/kernels/scale/neon/qasymm8.cpp406
-rw-r--r--src/cpu/kernels/scale/neon/qasymm8_signed.cpp394
5 files changed, 2476 insertions, 0 deletions
diff --git a/src/cpu/kernels/scale/neon/fp16.cpp b/src/cpu/kernels/scale/neon/fp16.cpp
new file mode 100644
index 0000000000..c8a7b7038e
--- /dev/null
+++ b/src/cpu/kernels/scale/neon/fp16.cpp
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 2022-2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS)
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensorPack.h"
+#include "arm_compute/core/Window.h"
+
+#include "src/core/helpers/ScaleHelpers.h"
+#include "src/core/NEON/NEMath.h"
+#include "src/core/NEON/wrapper/wrapper.h"
+#include "src/core/utils/ScaleUtils.h"
+#include "src/cpu/kernels/scale/neon/list.h"
+#include "support/Rounding.h"
+
+#include <arm_neon.h>
+#include <cmath>
+#include <cstddef>
+
+namespace arm_compute
+{
+namespace
+{
+void fp16_neon_scale_nearest(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+ const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom;
+ const size_t in_stride_wc = in_stride_w * in_stride_c;
+ const size_t in_dim_h = src->info()->dimension(2);
+
+ // Compute the ratio between source height and destination height
+ const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners);
+ const auto window_start_x = static_cast<int32_t>(window.x().start());
+ const auto window_end_x = static_cast<int32_t>(window.x().end());
+ const int window_step_x = 8;
+
+ Window win(window);
+ win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Iterator out(dst, win);
+
+ const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes();
+ const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3];
+
+ execute_window_loop(
+ win,
+ [&](const Coordinates &id)
+ {
+ const int32_t offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c;
+ const auto in_hi = static_cast<int>(
+ align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr)
+ : std::floor((id.z() + sampling_offset) * hr));
+ const int offset_row = in_hi * in_stride_wc;
+ int32_t x = window_start_x;
+ const float16_t *in_ptr = reinterpret_cast<const float16_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]);
+
+ for (; x <= window_end_x - window_step_x; x += window_step_x)
+ {
+ wrapper::vstore(reinterpret_cast<float16_t *>(out.ptr()) + x,
+ wrapper::vloadq(in_ptr + offset + offset_row + x));
+ }
+ for (; x < window_end_x; ++x)
+ {
+ *(reinterpret_cast<float16_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x);
+ }
+ },
+ out);
+}
+
+void fp16_neon_scale_bilinear(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ // Compute the ratio between source height and destination height
+ const auto hr =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ Iterator out(dst, window);
+ const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+ const int in_dim_w = src->info()->dimension(1);
+ const int in_dim_h = src->info()->dimension(2);
+ const int in_stride_wc = in_stride_c * (in_dim_w + src->info()->padding().top + src->info()->padding().bottom);
+
+ // Don't increment in Y and Z direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in);
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+ using ConstType = typename std::conditional<std::is_same<float16_t, float16_t>::value, half, float16_t>::type;
+
+ const float16_t const_border_value = static_cast<float16_t>(constant_border_value.get<ConstType>());
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const auto offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z())));
+ const int32_t in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset);
+ const float16_t *in_ptr =
+ reinterpret_cast<const float16_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc;
+
+ const auto a00 =
+ (0 <= offset && offset < in_dim_w && 0 <= in_hi && in_hi < in_dim_h) ? *in_ptr : const_border_value;
+ const auto a01 = (-1 <= offset && offset < in_dim_w - 1 && 0 <= in_hi && in_hi < in_dim_h)
+ ? *(in_ptr + in_stride_c)
+ : const_border_value;
+ const auto a10 = (0 <= offset && offset < in_dim_w && -1 <= in_hi && in_hi < in_dim_h - 1)
+ ? *(in_ptr + in_stride_wc)
+ : const_border_value;
+ const auto a11 = (-1 <= offset && offset < in_dim_w - 1 && -1 <= in_hi && in_hi < in_dim_h - 1)
+ ? *(in_ptr + in_stride_c + in_stride_wc)
+ : const_border_value;
+
+ *reinterpret_cast<float16_t *>(out.ptr()) =
+ static_cast<float16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ in, out);
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const auto offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z())));
+ const int in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset);
+
+ auto clamped_w = utility::clamp<int>(offset, 0, in_dim_w - 1);
+ auto clamped_w1 = utility::clamp<int>(offset + 1, 0, in_dim_w - 1);
+ auto clamped_h = utility::clamp<int>(in_hi, 0, in_dim_h - 1);
+ auto clamped_h1 = utility::clamp<int>(in_hi + 1, 0, in_dim_h - 1);
+
+ const auto a00 = *(reinterpret_cast<const float16_t *>(in.ptr()) + clamped_w * in_stride_c +
+ clamped_h * in_stride_wc);
+ const auto a01 = *(reinterpret_cast<const float16_t *>(in.ptr()) + clamped_w1 * in_stride_c +
+ clamped_h * in_stride_wc);
+ const auto a10 = *(reinterpret_cast<const float16_t *>(in.ptr()) + clamped_w * in_stride_c +
+ clamped_h1 * in_stride_wc);
+ const auto a11 = *(reinterpret_cast<const float16_t *>(in.ptr()) + clamped_w1 * in_stride_c +
+ clamped_h1 * in_stride_wc);
+
+ *reinterpret_cast<float16_t *>(out.ptr()) =
+ static_cast<float16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ in, out);
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+} // namespace
+namespace cpu
+{
+#ifdef ENABLE_NCHW_KERNELS
+void fp16_bilinear_neon_scale_nchw(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ ARM_COMPUTE_UNUSED(policy);
+ arm_compute::cpu::scale_bilinear_nchw<float16_t>(src, dst, dx, dy, offsets, border_mode, constant_border_value,
+ sampling_offset, align_corners, window);
+}
+
+void fp16_nearest_neon_scale_nchw(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ ARM_COMPUTE_UNUSED(policy);
+ ARM_COMPUTE_UNUSED(border_mode);
+ arm_compute::cpu::scale_nearest_nchw<float16_t>(src, dst, dx, dy, offsets, constant_border_value, sampling_offset,
+ align_corners, window);
+}
+#endif // ENABLE_NCHW_KERNELS
+void fp16_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ fp16_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+ {
+ fp16_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window);
+ }
+}
+
+void fp16_common_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ arm_compute::cpu::common_neon_scale<float16_t>(src, dst, offsets, dx, dy, policy, border_mode,
+ constant_border_value, sampling_offset, align_corners, window);
+}
+
+} // namespace cpu
+} // namespace arm_compute
+
+#endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */
diff --git a/src/cpu/kernels/scale/neon/integer.cpp b/src/cpu/kernels/scale/neon/integer.cpp
new file mode 100644
index 0000000000..bbf92e0412
--- /dev/null
+++ b/src/cpu/kernels/scale/neon/integer.cpp
@@ -0,0 +1,783 @@
+/*
+ * Copyright (c) 2021-2022 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/Helpers.h"
+
+#include "src/core/helpers/ScaleHelpers.h"
+#include "src/core/NEON/wrapper/wrapper.h"
+#include "src/core/utils/ScaleUtils.h"
+#include "support/Rounding.h"
+
+#include <arm_neon.h>
+
+namespace arm_compute
+{
+namespace
+{
+void u8_neon_scale_nearest(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+ const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom;
+ const size_t in_stride_wc = in_stride_w * in_stride_c;
+ const size_t in_dim_h = src->info()->dimension(2);
+
+ // Compute the ratio between source height and destination height
+ const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners);
+ const auto window_start_x = static_cast<int32_t>(window.x().start());
+ const auto window_end_x = static_cast<int32_t>(window.x().end());
+ const int window_step_x = 16;
+
+ Window win(window);
+ win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Iterator out(dst, win);
+
+ const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes();
+ const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3];
+
+ execute_window_loop(
+ win,
+ [&](const Coordinates &id)
+ {
+ const int32_t offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c;
+ const auto in_hi = static_cast<int>(
+ align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr)
+ : std::floor((id.z() + sampling_offset) * hr));
+ const int offset_row = in_hi * in_stride_wc;
+ int32_t x = window_start_x;
+ const uint8_t *in_ptr = reinterpret_cast<const uint8_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]);
+
+ for (; x <= window_end_x - window_step_x; x += window_step_x)
+ {
+ wrapper::vstore(reinterpret_cast<uint8_t *>(out.ptr()) + x,
+ wrapper::vloadq(in_ptr + offset + offset_row + x));
+ }
+ for (; x < window_end_x; ++x)
+ {
+ *(reinterpret_cast<uint8_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x);
+ }
+ },
+ out);
+}
+
+void u8_neon_scale_bilinear(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ // Compute the ratio between source and destination dimensions
+ const float scale_x =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ const float scale_y =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ const int input_width = src->info()->dimension(1);
+ const int input_height = src->info()->dimension(2);
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+ Iterator out(dst, window);
+ const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+ const int in_stride_wc =
+ in_stride_c * (input_width + src->info()->padding().top + src->info()->padding().bottom);
+
+ // Don't increment in Y and Z direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in);
+
+ const uint8_t const_border_value = static_cast<uint8_t>(constant_border_value.get<uint8_t>());
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const auto offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z())));
+ const int32_t in_hi = std::floor((id.z() + sampling_offset) * scale_y - sampling_offset);
+ const uint8_t *in_ptr =
+ reinterpret_cast<const uint8_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc;
+
+ const auto a00 = (0 <= offset && offset < input_width && 0 <= in_hi && in_hi < input_height)
+ ? *in_ptr
+ : const_border_value;
+ const auto a01 = (-1 <= offset && offset < input_width - 1 && 0 <= in_hi && in_hi < input_height)
+ ? *(in_ptr + in_stride_c)
+ : const_border_value;
+ const auto a10 = (0 <= offset && offset < input_width && -1 <= in_hi && in_hi < input_height - 1)
+ ? *(in_ptr + in_stride_wc)
+ : const_border_value;
+ const auto a11 = (-1 <= offset && offset < input_width - 1 && -1 <= in_hi && in_hi < input_height - 1)
+ ? *(in_ptr + in_stride_c + in_stride_wc)
+ : const_border_value;
+
+ *reinterpret_cast<uint8_t *>(out.ptr()) =
+ static_cast<uint8_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ in, out);
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<float, wrapper::traits::BitWidth::W128>;
+
+ const int in_stride_x = src->info()->strides_in_bytes()[1];
+ const int in_stride_y = src->info()->strides_in_bytes()[2];
+ const int in_stride_b = src->info()->strides_in_bytes()[3];
+ const int out_stride_x = dst->info()->strides_in_bytes()[1];
+ const int out_stride_y = dst->info()->strides_in_bytes()[2];
+ const int out_stride_b = dst->info()->strides_in_bytes()[3];
+
+ const int out_dim_ch = dst->info()->dimension(0);
+ constexpr int step_cout = 16;
+
+ Window window_execution = window;
+ window_execution.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Window win_in_out(window);
+ win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in_out);
+ Iterator out(dst, win_in_out);
+
+ const int xo_start = window_execution[1].start();
+ const int xo_end = window_execution[1].end();
+ const int xo_step = window_execution[1].step();
+ const int yo_start = window_execution[2].start();
+ const int yo_end = window_execution[2].end();
+ const int yo_step = window_execution[2].step();
+ const int bo_start = window_execution[3].start();
+ const int bo_end = window_execution[3].end();
+ const int bo_step = window_execution[3].step();
+
+ const float fp_coord_offset_y = sampling_offset * (scale_y - 1);
+ const float fp_coord_offset_x = sampling_offset * (scale_x - 1);
+
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const uint8_t *in_ptr = in.ptr() + bo * in_stride_b;
+ uint8_t *out_ptr = out.ptr() + bo * out_stride_b;
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ const float yi_f = yo * scale_y + fp_coord_offset_y;
+ // Integer coordinate
+ const int yi = static_cast<int>(std::floor(yi_f));
+ // Weight for the y coordinate
+ const float a1 = (yi_f - static_cast<float>(yi));
+ const float b1 = (1.f - a1);
+
+ const int yi0 = utility::clamp<int>(yi, 0, input_height - 1);
+ const int yi1 = utility::clamp<int>(yi + 1, 0, input_height - 1);
+
+ const uint8_t *in_ptr_yi0 = in_ptr + yi0 * in_stride_y;
+ const uint8_t *in_ptr_yi1 = in_ptr + yi1 * in_stride_y;
+
+ uint8_t *out_ptr_yo = out_ptr + yo * out_stride_y;
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ const float xi_f = xo * scale_x + fp_coord_offset_x;
+ // Integer coordinate
+ const int xi = static_cast<int>(std::floor(xi_f));
+ // Weight for the x coordinate
+ const float a = (xi_f - static_cast<float>(xi));
+ const float b = (1.f - a);
+
+ const float s00_s = b * b1;
+ const float s01_s = a * b1;
+ const float s10_s = b * a1;
+ const float s11_s = a * a1;
+
+ const auto s00 = wrapper::vdup_n(s00_s, ExactTagType{});
+ const auto s01 = wrapper::vdup_n(s01_s, ExactTagType{});
+ const auto s10 = wrapper::vdup_n(s10_s, ExactTagType{});
+ const auto s11 = wrapper::vdup_n(s11_s, ExactTagType{});
+
+ const int xi0 = utility::clamp<int>(xi, 0, input_width - 1);
+ const int xi1 = utility::clamp<int>(xi + 1, 0, input_width - 1);
+
+ const auto in_ptr_xi0_yi0 = in_ptr_yi0 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi0 = in_ptr_yi0 + xi1 * in_stride_x;
+ const auto in_ptr_xi0_yi1 = in_ptr_yi1 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi1 = in_ptr_yi1 + xi1 * in_stride_x;
+
+ uint8_t *out_ptr_xo_yo = out_ptr_yo + xo * out_stride_x;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ const auto in00 = wrapper::vloadq(in_ptr_xi0_yi0 + cout * sizeof(uint8_t));
+ const auto in01 = wrapper::vloadq(in_ptr_xi1_yi0 + cout * sizeof(uint8_t));
+ const auto in10 = wrapper::vloadq(in_ptr_xi0_yi1 + cout * sizeof(uint8_t));
+ const auto in11 = wrapper::vloadq(in_ptr_xi1_yi1 + cout * sizeof(uint8_t));
+
+ const uint16x8_t in00_low = wrapper::vmovl(wrapper::vgetlow(in00));
+ const uint16x8_t in00_high = wrapper::vmovl(wrapper::vgethigh(in00));
+
+ const auto in00_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_low)));
+ const auto in00_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_low)));
+ const auto in00_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_high)));
+ const auto in00_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_high)));
+
+ const uint16x8_t in01_low = wrapper::vmovl(wrapper::vgetlow(in01));
+ const uint16x8_t in01_high = wrapper::vmovl(wrapper::vgethigh(in01));
+
+ const auto in01_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_low)));
+ const auto in01_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_low)));
+ const auto in01_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_high)));
+ const auto in01_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_high)));
+
+ const uint16x8_t in10_low = wrapper::vmovl(wrapper::vgetlow(in10));
+ const uint16x8_t in10_high = wrapper::vmovl(wrapper::vgethigh(in10));
+
+ const auto in10_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_low)));
+ const auto in10_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_low)));
+ const auto in10_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_high)));
+ const auto in10_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_high)));
+
+ const uint16x8_t in11_low = wrapper::vmovl(wrapper::vgetlow(in11));
+ const uint16x8_t in11_high = wrapper::vmovl(wrapper::vgethigh(in11));
+
+ const auto in11_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_low)));
+ const auto in11_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_low)));
+ const auto in11_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_high)));
+ const auto in11_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_high)));
+
+ auto out_0 = wrapper::vmul(in00_0, s00);
+ out_0 = wrapper::vmla(out_0, in01_0, s01);
+ out_0 = wrapper::vmla(out_0, in10_0, s10);
+ out_0 = wrapper::vmla(out_0, in11_0, s11);
+
+ auto out_1 = wrapper::vmul(in00_1, s00);
+ out_1 = wrapper::vmla(out_1, in01_1, s01);
+ out_1 = wrapper::vmla(out_1, in10_1, s10);
+ out_1 = wrapper::vmla(out_1, in11_1, s11);
+
+ auto out_2 = wrapper::vmul(in00_2, s00);
+ out_2 = wrapper::vmla(out_2, in01_2, s01);
+ out_2 = wrapper::vmla(out_2, in10_2, s10);
+ out_2 = wrapper::vmla(out_2, in11_2, s11);
+
+ auto out_3 = wrapper::vmul(in00_3, s00);
+ out_3 = wrapper::vmla(out_3, in01_3, s01);
+ out_3 = wrapper::vmla(out_3, in10_3, s10);
+ out_3 = wrapper::vmla(out_3, in11_3, s11);
+
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvta<uint32_t>(out_0);
+ const auto out_1_int = wrapper::vcvta<uint32_t>(out_1);
+ const auto out_2_int = wrapper::vcvta<uint32_t>(out_2);
+ const auto out_3_int = wrapper::vcvta<uint32_t>(out_3);
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvt<uint32_t>(out_0);
+ const auto out_1_int = wrapper::vcvt<uint32_t>(out_1);
+ const auto out_2_int = wrapper::vcvt<uint32_t>(out_2);
+ const auto out_3_int = wrapper::vcvt<uint32_t>(out_3);
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto low_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_0_int), wrapper::vqmovn(out_1_int)));
+ const auto high_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_2_int), wrapper::vqmovn(out_3_int)));
+ const auto out = wrapper::vcombine(low_part, high_part);
+
+ wrapper::vstore(out_ptr_xo_yo + cout * sizeof(uint8_t), out);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ const uint8_t in00 = *(in_ptr_xi0_yi0 + cout * sizeof(uint8_t));
+ const uint8_t in01 = *(in_ptr_xi1_yi0 + cout * sizeof(uint8_t));
+ const uint8_t in10 = *(in_ptr_xi0_yi1 + cout * sizeof(uint8_t));
+ const uint8_t in11 = *(in_ptr_xi1_yi1 + cout * sizeof(uint8_t));
+
+ float out0 = in00 * s00_s;
+ out0 += in01 * s01_s;
+ out0 += in10 * s10_s;
+ out0 += in11 * s11_s;
+
+ // Rounding modes of vector and scalar loops should match
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(uint8_t)) = static_cast<uint8_t>(std::round(out0));
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(uint8_t)) = static_cast<uint8_t>(out0);
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+
+void s8_neon_scale_bilinear(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ ARM_COMPUTE_UNUSED(dx, dy, offsets, constant_border_value);
+ if (border_mode == BorderMode::REPLICATE)
+ {
+ using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<float, wrapper::traits::BitWidth::W128>;
+
+ // Compute the ratio between source and destination dimensions
+ const float scale_x =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ const float scale_y =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ const int in_stride_x = src->info()->strides_in_bytes()[1];
+ const int in_stride_y = src->info()->strides_in_bytes()[2];
+ const int in_stride_b = src->info()->strides_in_bytes()[3];
+ const int out_stride_x = dst->info()->strides_in_bytes()[1];
+ const int out_stride_y = dst->info()->strides_in_bytes()[2];
+ const int out_stride_b = dst->info()->strides_in_bytes()[3];
+ const int input_width = src->info()->dimension(1);
+ const int input_height = src->info()->dimension(2);
+ const int out_dim_ch = dst->info()->dimension(0);
+ constexpr int step_cout = 16;
+
+ Window window_execution = window;
+ window_execution.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Window win_in_out(window);
+ win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in_out);
+ Iterator out(dst, win_in_out);
+
+ const int xo_start = window_execution[1].start();
+ const int xo_end = window_execution[1].end();
+ const int xo_step = window_execution[1].step();
+ const int yo_start = window_execution[2].start();
+ const int yo_end = window_execution[2].end();
+ const int yo_step = window_execution[2].step();
+ const int bo_start = window_execution[3].start();
+ const int bo_end = window_execution[3].end();
+ const int bo_step = window_execution[3].step();
+
+ const float fp_coord_offset_y = sampling_offset * (scale_y - 1);
+ const float fp_coord_offset_x = sampling_offset * (scale_x - 1);
+
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const int8_t *in_ptr = reinterpret_cast<int8_t *>(in.ptr() + bo * in_stride_b);
+ int8_t *out_ptr = reinterpret_cast<int8_t *>(out.ptr() + bo * out_stride_b);
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ const float yi_f = yo * scale_y + fp_coord_offset_y;
+ // Integer coordinate
+ const int yi = static_cast<int>(std::floor(yi_f));
+ // Weight for the y coordinate
+ const float a1 = (yi_f - static_cast<float>(yi));
+ const float b1 = (1.f - a1);
+
+ const int yi0 = utility::clamp<int>(yi, 0, input_height - 1);
+ const int yi1 = utility::clamp<int>(yi + 1, 0, input_height - 1);
+
+ const int8_t *in_ptr_yi0 = in_ptr + yi0 * in_stride_y;
+ const int8_t *in_ptr_yi1 = in_ptr + yi1 * in_stride_y;
+
+ int8_t *out_ptr_yo = out_ptr + yo * out_stride_y;
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ const float xi_f = xo * scale_x + fp_coord_offset_x;
+ // Integer coordinate
+ const int xi = static_cast<int>(std::floor(xi_f));
+ // Weight for the x coordinate
+ const float a = (xi_f - static_cast<float>(xi));
+ const float b = (1.f - a);
+
+ const float s00_s = b * b1;
+ const float s01_s = a * b1;
+ const float s10_s = b * a1;
+ const float s11_s = a * a1;
+
+ const auto s00 = wrapper::vdup_n(s00_s, ExactTagType{});
+ const auto s01 = wrapper::vdup_n(s01_s, ExactTagType{});
+ const auto s10 = wrapper::vdup_n(s10_s, ExactTagType{});
+ const auto s11 = wrapper::vdup_n(s11_s, ExactTagType{});
+
+ const int xi0 = utility::clamp<int>(xi, 0, input_width - 1);
+ const int xi1 = utility::clamp<int>(xi + 1, 0, input_width - 1);
+
+ const auto in_ptr_xi0_yi0 = in_ptr_yi0 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi0 = in_ptr_yi0 + xi1 * in_stride_x;
+ const auto in_ptr_xi0_yi1 = in_ptr_yi1 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi1 = in_ptr_yi1 + xi1 * in_stride_x;
+
+ int8_t *out_ptr_xo_yo = out_ptr_yo + xo * out_stride_x;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ const auto in00 = wrapper::vloadq(in_ptr_xi0_yi0 + cout * sizeof(int8_t));
+ const auto in01 = wrapper::vloadq(in_ptr_xi1_yi0 + cout * sizeof(int8_t));
+ const auto in10 = wrapper::vloadq(in_ptr_xi0_yi1 + cout * sizeof(int8_t));
+ const auto in11 = wrapper::vloadq(in_ptr_xi1_yi1 + cout * sizeof(int8_t));
+
+ const int16x8_t in00_low = wrapper::vmovl(wrapper::vgetlow(in00));
+ const int16x8_t in00_high = wrapper::vmovl(wrapper::vgethigh(in00));
+
+ const auto in00_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_low)));
+ const auto in00_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_low)));
+ const auto in00_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in00_high)));
+ const auto in00_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in00_high)));
+
+ const int16x8_t in01_low = wrapper::vmovl(wrapper::vgetlow(in01));
+ const int16x8_t in01_high = wrapper::vmovl(wrapper::vgethigh(in01));
+
+ const auto in01_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_low)));
+ const auto in01_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_low)));
+ const auto in01_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in01_high)));
+ const auto in01_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in01_high)));
+
+ const int16x8_t in10_low = wrapper::vmovl(wrapper::vgetlow(in10));
+ const int16x8_t in10_high = wrapper::vmovl(wrapper::vgethigh(in10));
+
+ const auto in10_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_low)));
+ const auto in10_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_low)));
+ const auto in10_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in10_high)));
+ const auto in10_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in10_high)));
+
+ const int16x8_t in11_low = wrapper::vmovl(wrapper::vgetlow(in11));
+ const int16x8_t in11_high = wrapper::vmovl(wrapper::vgethigh(in11));
+
+ const auto in11_0 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_low)));
+ const auto in11_1 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_low)));
+ const auto in11_2 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgetlow(in11_high)));
+ const auto in11_3 = wrapper::vcvt<float>(wrapper::vmovl(wrapper::vgethigh(in11_high)));
+
+ auto out_0 = wrapper::vmul(in00_0, s00);
+ out_0 = wrapper::vmla(out_0, in01_0, s01);
+ out_0 = wrapper::vmla(out_0, in10_0, s10);
+ out_0 = wrapper::vmla(out_0, in11_0, s11);
+
+ auto out_1 = wrapper::vmul(in00_1, s00);
+ out_1 = wrapper::vmla(out_1, in01_1, s01);
+ out_1 = wrapper::vmla(out_1, in10_1, s10);
+ out_1 = wrapper::vmla(out_1, in11_1, s11);
+
+ auto out_2 = wrapper::vmul(in00_2, s00);
+ out_2 = wrapper::vmla(out_2, in01_2, s01);
+ out_2 = wrapper::vmla(out_2, in10_2, s10);
+ out_2 = wrapper::vmla(out_2, in11_2, s11);
+
+ auto out_3 = wrapper::vmul(in00_3, s00);
+ out_3 = wrapper::vmla(out_3, in01_3, s01);
+ out_3 = wrapper::vmla(out_3, in10_3, s10);
+ out_3 = wrapper::vmla(out_3, in11_3, s11);
+
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvta<int32_t>(out_0);
+ const auto out_1_int = wrapper::vcvta<int32_t>(out_1);
+ const auto out_2_int = wrapper::vcvta<int32_t>(out_2);
+ const auto out_3_int = wrapper::vcvta<int32_t>(out_3);
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvt<int32_t>(out_0);
+ const auto out_1_int = wrapper::vcvt<int32_t>(out_1);
+ const auto out_2_int = wrapper::vcvt<int32_t>(out_2);
+ const auto out_3_int = wrapper::vcvt<int32_t>(out_3);
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto low_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_0_int), wrapper::vqmovn(out_1_int)));
+ const auto high_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_2_int), wrapper::vqmovn(out_3_int)));
+ const auto out = wrapper::vcombine(low_part, high_part);
+
+ wrapper::vstore(out_ptr_xo_yo + cout * sizeof(int8_t), out);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ const int8_t in00 = *(in_ptr_xi0_yi0 + cout * sizeof(int8_t));
+ const int8_t in01 = *(in_ptr_xi1_yi0 + cout * sizeof(int8_t));
+ const int8_t in10 = *(in_ptr_xi0_yi1 + cout * sizeof(int8_t));
+ const int8_t in11 = *(in_ptr_xi1_yi1 + cout * sizeof(int8_t));
+
+ float out0 = in00 * s00_s;
+ out0 += in01 * s01_s;
+ out0 += in10 * s10_s;
+ out0 += in11 * s11_s;
+
+ // Rounding modes of vector and scalar loops should match
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(int8_t)) = static_cast<int8_t>(std::round(out0));
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(int8_t)) = static_cast<int8_t>(out0);
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+
+void s16_neon_scale_nearest(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ const size_t in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+ const size_t in_stride_w = src->info()->dimension(1) + src->info()->padding().top + src->info()->padding().bottom;
+ const size_t in_stride_wc = in_stride_w * in_stride_c;
+ const size_t in_dim_h = src->info()->dimension(2);
+
+ // Compute the ratio between source height and destination height
+ const auto hr = scale_utils::calculate_resize_ratio(in_dim_h, dst->info()->dimension(2), align_corners);
+ const auto window_start_x = static_cast<int32_t>(window.x().start());
+ const auto window_end_x = static_cast<int32_t>(window.x().end());
+ const int window_step_x = 8;
+
+ Window win(window);
+ win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Iterator out(dst, win);
+
+ const uint8_t *in_ptr_start = src->buffer() + src->info()->offset_first_element_in_bytes();
+ const unsigned int in_stride_bytes_hwc = src->info()->strides_in_bytes()[3];
+
+ execute_window_loop(
+ win,
+ [&](const Coordinates &id)
+ {
+ const int32_t offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z()))) * in_stride_c;
+ const auto in_hi = static_cast<int>(
+ align_corners ? utils::rounding::round_half_away_from_zero((id.z() + sampling_offset) * hr)
+ : std::floor((id.z() + sampling_offset) * hr));
+ const int offset_row = in_hi * in_stride_wc;
+ int32_t x = window_start_x;
+ const int16_t *in_ptr = reinterpret_cast<const int16_t *>(in_ptr_start + in_stride_bytes_hwc * id[3]);
+
+ for (; x <= window_end_x - window_step_x; x += window_step_x)
+ {
+ wrapper::vstore(reinterpret_cast<int16_t *>(out.ptr()) + x,
+ wrapper::vloadq(in_ptr + offset + offset_row + x));
+ }
+ for (; x < window_end_x; ++x)
+ {
+ *(reinterpret_cast<int16_t *>(out.ptr()) + x) = *(in_ptr + offset + offset_row + x);
+ }
+ },
+ out);
+}
+
+void s16_neon_scale_bilinear(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ // Compute the ratio between source height and destination height
+ const auto hr =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ Iterator out(dst, window);
+ const int in_stride_c = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+ const int in_dim_w = src->info()->dimension(1);
+ const int in_dim_h = src->info()->dimension(2);
+ const int in_stride_wc = in_stride_c * (in_dim_w + src->info()->padding().top + src->info()->padding().bottom);
+
+ // Don't increment in Y and Z direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in);
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+ const int16_t const_border_value = static_cast<int16_t>(constant_border_value.get<int16_t>());
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const auto offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z())));
+ const int32_t in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset);
+ const int16_t *in_ptr =
+ reinterpret_cast<const int16_t *>(in.ptr()) + offset * in_stride_c + in_hi * in_stride_wc;
+
+ const auto a00 =
+ (0 <= offset && offset < in_dim_w && 0 <= in_hi && in_hi < in_dim_h) ? *in_ptr : const_border_value;
+ const auto a01 = (-1 <= offset && offset < in_dim_w - 1 && 0 <= in_hi && in_hi < in_dim_h)
+ ? *(in_ptr + in_stride_c)
+ : const_border_value;
+ const auto a10 = (0 <= offset && offset < in_dim_w && -1 <= in_hi && in_hi < in_dim_h - 1)
+ ? *(in_ptr + in_stride_wc)
+ : const_border_value;
+ const auto a11 = (-1 <= offset && offset < in_dim_w - 1 && -1 <= in_hi && in_hi < in_dim_h - 1)
+ ? *(in_ptr + in_stride_c + in_stride_wc)
+ : const_border_value;
+
+ *reinterpret_cast<int16_t *>(out.ptr()) =
+ static_cast<int16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ in, out);
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const auto offset =
+ *reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dx_val = *reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id.y(), id.z())));
+ const auto dy_val = *reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id.y(), id.z())));
+ const int in_hi = std::floor((id.z() + sampling_offset) * hr - sampling_offset);
+
+ const auto clamped_w = utility::clamp<int>(offset, 0, in_dim_w - 1);
+ const auto clamped_w1 = utility::clamp<int>(offset + 1, 0, in_dim_w - 1);
+ const auto clamped_h = utility::clamp<int>(in_hi, 0, in_dim_h - 1);
+ const auto clamped_h1 = utility::clamp<int>(in_hi + 1, 0, in_dim_h - 1);
+
+ const auto a00 =
+ *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w * in_stride_c + clamped_h * in_stride_wc);
+ const auto a01 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w1 * in_stride_c +
+ clamped_h * in_stride_wc);
+ const auto a10 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w * in_stride_c +
+ clamped_h1 * in_stride_wc);
+ const auto a11 = *(reinterpret_cast<const int16_t *>(in.ptr()) + clamped_w1 * in_stride_c +
+ clamped_h1 * in_stride_wc);
+
+ *reinterpret_cast<int16_t *>(out.ptr()) =
+ static_cast<int16_t>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ in, out);
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+} // namespace
+namespace cpu
+{
+void s8_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ s8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+
+void u8_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ u8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+ {
+ u8_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window);
+ }
+}
+
+void s16_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ s16_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+ {
+ s16_neon_scale_nearest(src, dst, offsets, sampling_offset, align_corners, window);
+ }
+}
+} // namespace cpu
+} // namespace arm_compute
diff --git a/src/cpu/kernels/scale/neon/list.h b/src/cpu/kernels/scale/neon/list.h
new file mode 100644
index 0000000000..153dc67c3d
--- /dev/null
+++ b/src/cpu/kernels/scale/neon/list.h
@@ -0,0 +1,617 @@
+/*
+ * Copyright (c) 2021-2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ACL_SRC_CPU_KERNELS_SCALE_NEON_LIST_H
+#define ACL_SRC_CPU_KERNELS_SCALE_NEON_LIST_H
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Window.h"
+
+#include "src/core/NEON/wrapper/wrapper.h"
+#include "src/core/utils/ScaleUtils.h"
+#include "support/Rounding.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+#define DECLARE_SCALE_KERNEL(func_name) \
+ void func_name(const ITensor *src, ITensor *dst, const ITensor *offsets, const ITensor *dx, const ITensor *dy, \
+ InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value, \
+ float sampling_offset, bool align_corners, const Window &window)
+
+DECLARE_SCALE_KERNEL(s16_neon_scale);
+DECLARE_SCALE_KERNEL(u8_neon_scale);
+DECLARE_SCALE_KERNEL(s8_neon_scale);
+DECLARE_SCALE_KERNEL(qasymm8_neon_scale);
+DECLARE_SCALE_KERNEL(qasymm8_signed_neon_scale);
+DECLARE_SCALE_KERNEL(fp16_common_neon_scale);
+DECLARE_SCALE_KERNEL(fp16_bilinear_neon_scale_nchw);
+DECLARE_SCALE_KERNEL(fp16_nearest_neon_scale_nchw);
+
+#undef DECLARE_SCALE_KERNEL
+
+#ifdef ENABLE_NCHW_KERNELS
+template <typename T>
+void scale_nearest_nchw(const ITensor *src,
+ ITensor *dst,
+ const ITensor *dx,
+ const ITensor *dy,
+ const ITensor *offsets,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ ARM_COMPUTE_UNUSED(dx, dy);
+ ARM_COMPUTE_UNUSED(constant_border_value);
+ const size_t in_stride_x = src->info()->dimension(0) + src->info()->padding().left + src->info()->padding().right;
+
+ // Compute the ratio between source height and destination height
+ const auto hr =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+
+ // Don't increment in X and Y direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(Window::DimX, Window::Dimension(0, 0, 0));
+ win_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+
+ // Set offsets window
+ Window win_off;
+ win_off.set(Window::DimX, window[Window::DimX]);
+ win_off.set(Window::DimY, window[Window::DimY]);
+ for (size_t d = Window::DimZ; d < offsets->info()->num_dimensions(); ++d)
+ {
+ win_off.set(d, Window::Dimension(0, 0, 0));
+ }
+
+ // Create iterators
+ Iterator src_i(src, win_in);
+ Iterator dst_i(dst, window);
+ Iterator offsets_i(offsets, win_off);
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const auto offsets_ptr = reinterpret_cast<const int32_t *>(offsets_i.ptr());
+ const auto in_yi = static_cast<int32_t>(
+ align_corners ? utils::rounding::round_half_away_from_zero((id.y() + sampling_offset) * hr)
+ : std::floor((id.y() + sampling_offset) * hr));
+ const int32_t offset_row = in_yi * in_stride_x;
+ *reinterpret_cast<T *>(dst_i.ptr()) =
+ *(reinterpret_cast<const T *>(src_i.ptr()) + offsets_ptr[0] + offset_row);
+ },
+ src_i, offsets_i, dst_i);
+}
+
+template <typename T>
+void scale_bilinear_nchw(const ITensor *src,
+ ITensor *dst,
+ const ITensor *dx,
+ const ITensor *dy,
+ const ITensor *offsets,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ // Compute the ratio between source height and destination height
+ const auto hr =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ Window win_off;
+ win_off.set(Window::DimX, window.x());
+ win_off.set(Window::DimY, window.y());
+
+ // Don't increment in X and Y direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(Window::DimX, Window::Dimension(0, 0, 0));
+ win_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+
+ for (size_t d = Window::DimZ; d < offsets->info()->num_dimensions(); ++d)
+ {
+ win_off.set(d, Window::Dimension(0, 0, 0));
+ }
+
+ Iterator src_i(src, win_in);
+ Iterator dst_i(dst, window);
+ Iterator offsets_i(offsets, win_off);
+ Iterator dx_i(dx, win_off);
+ Iterator dy_i(dy, win_off);
+
+ const int32_t in_dim_w = src->info()->dimension(0);
+ const int32_t in_dim_h = src->info()->dimension(1);
+ const int32_t in_stride_w = in_dim_w + src->info()->padding().left + src->info()->padding().right;
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ using ConstType = typename std::conditional<std::is_same<T, float16_t>::value, half, T>::type;
+#else /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ using ConstType = T;
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ const T const_border_value = static_cast<T>(constant_border_value.get<ConstType>());
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const int32_t index_h = std::floor((id.y() + sampling_offset) * hr - sampling_offset);
+ const auto index_w = *(reinterpret_cast<const int32_t *>(offsets_i.ptr()));
+ const auto dx_val = *(reinterpret_cast<const float *>(dx_i.ptr()));
+ const auto dy_val = *(reinterpret_cast<const float *>(dy_i.ptr()));
+ const auto pixel_row_ptr = reinterpret_cast<const T *>(src_i.ptr());
+
+ const auto a00 = (0 <= index_w && index_w < in_dim_w && 0 <= index_h && index_h < in_dim_h)
+ ? (*(pixel_row_ptr + index_w + index_h * in_stride_w))
+ : const_border_value;
+ const auto a01 = (-1 <= index_w && index_w < in_dim_w - 1 && 0 <= index_h && index_h < in_dim_h)
+ ? (*(pixel_row_ptr + index_w + 1 + index_h * in_stride_w))
+ : const_border_value;
+ const auto a10 = (0 <= index_w && index_w < in_dim_w && -1 <= index_h && index_h < in_dim_h - 1)
+ ? (*(pixel_row_ptr + index_w + index_h * in_stride_w + in_stride_w))
+ : const_border_value;
+ const auto a11 = (-1 <= index_w && index_w < in_dim_w - 1 && -1 <= index_h && index_h < in_dim_h - 1)
+ ? (*(pixel_row_ptr + index_w + 1 + index_h * in_stride_w + in_stride_w))
+ : const_border_value;
+
+ *reinterpret_cast<T *>(dst_i.ptr()) =
+ static_cast<T>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ src_i, offsets_i, dx_i, dy_i, dst_i);
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const int index_h = std::floor((id.y() + sampling_offset) * hr - sampling_offset);
+ const auto index_w = *(reinterpret_cast<const int32_t *>(offsets_i.ptr()));
+ const auto dx_val = *(reinterpret_cast<const float *>(dx_i.ptr()));
+ const auto dy_val = *(reinterpret_cast<const float *>(dy_i.ptr()));
+ const auto pixel_row_ptr = reinterpret_cast<const T *>(src_i.ptr());
+
+ auto clamped_x = utility::clamp<int>(index_w, 0, in_dim_w - 1);
+ auto clamped_x1 = utility::clamp<int>(index_w + 1, 0, in_dim_w - 1);
+ auto clamped_y = utility::clamp<int>(index_h, 0, in_dim_h - 1);
+ auto clamped_y1 = utility::clamp<int>(index_h + 1, 0, in_dim_h - 1);
+
+ const auto a00 = *(pixel_row_ptr + clamped_x + clamped_y * in_stride_w);
+ const auto a01 = *(pixel_row_ptr + clamped_x1 + clamped_y * in_stride_w);
+ const auto a10 = *(pixel_row_ptr + clamped_x + clamped_y1 * in_stride_w);
+ const auto a11 = *(pixel_row_ptr + clamped_x1 + clamped_y1 * in_stride_w);
+
+ *reinterpret_cast<T *>(dst_i.ptr()) =
+ static_cast<T>(scale_helpers::delta_bilinear(a00, a01, a10, a11, dx_val, dy_val));
+ },
+ src_i, offsets_i, dx_i, dy_i, dst_i);
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+#endif // ENABLE_NCHW_KERNELS
+
+template <typename T>
+void nearest_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ ARM_COMPUTE_UNUSED(offsets);
+
+ // Compute the ratio between source and destination dimensions
+ const float scale_x =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ const float scale_y =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ const int in_stride_y = src->info()->strides_in_bytes()[1];
+ const int in_stride_z = src->info()->strides_in_bytes()[2];
+ const int in_stride_w = src->info()->strides_in_bytes()[3];
+ const int out_stride_y = dst->info()->strides_in_bytes()[1];
+ const int out_stride_z = dst->info()->strides_in_bytes()[2];
+ const int out_stride_w = dst->info()->strides_in_bytes()[3];
+ const int out_dim_ch = dst->info()->dimension(0);
+ const int step_cout = 16 / sizeof(T);
+
+ Window window_execution = window;
+ window_execution.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Window win_in_out(window);
+ win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in_out);
+ Iterator out(dst, win_in_out);
+
+ const int xo_start = window_execution.y().start();
+ const int xo_end = window_execution.y().end();
+ const int xo_step = window_execution.y().step();
+ const int yo_start = window_execution.z().start();
+ const int yo_end = window_execution.z().end();
+ const int yo_step = window_execution.z().step();
+ const int bo_start = window_execution[3].start();
+ const int bo_end = window_execution[3].end();
+ const int bo_step = window_execution[3].step();
+
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const uint8_t *in_ptr_base = in.ptr() + bo * in_stride_w;
+ uint8_t *out_ptr_base = out.ptr() + bo * out_stride_w;
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ float yi_f = ((yo + sampling_offset) * scale_y);
+ int yi = 0;
+ if (align_corners)
+ {
+ yi = utils::rounding::round_half_away_from_zero(yi_f);
+ }
+ else
+ {
+ yi = static_cast<int>(std::floor(yi_f));
+ }
+
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ float xi_f = ((xo + sampling_offset) * scale_x);
+ int xi = 0;
+ if (align_corners)
+ {
+ xi = utils::rounding::round_half_away_from_zero(xi_f);
+ }
+ else
+ {
+ xi = static_cast<int>(std::floor(xi_f));
+ }
+
+ const uint8_t *in_ptr = in_ptr_base + xi * in_stride_y + yi * in_stride_z;
+ uint8_t *out_ptr = out_ptr_base + xo * out_stride_y + yo * out_stride_z;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ auto out0 = wrapper::vloadq(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T)));
+ wrapper::vstore(reinterpret_cast<T *>(out_ptr + cout * sizeof(T)), out0);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ auto out0 = *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T)));
+ *(reinterpret_cast<T *>(out_ptr + cout * sizeof(T))) = out0;
+ }
+ }
+ }
+ }
+}
+
+template <typename T>
+void bilinear_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ ARM_COMPUTE_UNUSED(offsets);
+ ARM_COMPUTE_UNUSED(dx);
+ ARM_COMPUTE_UNUSED(dy);
+ using ExactTagType = typename wrapper::traits::neon_bitvector_tag_t<T, wrapper::traits::BitWidth::W128>;
+
+ // Compute the ratio between source and destination dimensions
+ const float scale_x =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ const float scale_y =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ const int in_stride_y = src->info()->strides_in_bytes()[1];
+ const int in_stride_z = src->info()->strides_in_bytes()[2];
+ const int in_stride_w = src->info()->strides_in_bytes()[3];
+ const int out_stride_y = dst->info()->strides_in_bytes()[1];
+ const int out_stride_z = dst->info()->strides_in_bytes()[2];
+ const int out_stride_w = dst->info()->strides_in_bytes()[3];
+ const int in_dim_w = src->info()->dimension(1);
+ const int in_dim_h = src->info()->dimension(2);
+ const int out_dim_ch = dst->info()->dimension(0);
+ const int step_cout = 16 / sizeof(T);
+
+ Window window_execution = window;
+ window_execution.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Window win_in_out(window);
+ win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in_out);
+ Iterator out(dst, win_in_out);
+
+ const int xo_start = window_execution.y().start();
+ const int xo_end = window_execution.y().end();
+ const int xo_step = window_execution.y().step();
+ const int yo_start = window_execution.z().start();
+ const int yo_end = window_execution.z().end();
+ const int yo_step = window_execution.z().step();
+ const int bo_start = window_execution[3].start();
+ const int bo_end = window_execution[3].end();
+ const int bo_step = window_execution[3].step();
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ using ConstType = typename std::conditional<std::is_same<T, float16_t>::value, half, T>::type;
+#else /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ using ConstType = T;
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ const T const_border_value = static_cast<T>(constant_border_value.get<ConstType>());
+
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const uint8_t *in_ptr_base = in.ptr() + bo * in_stride_w;
+ uint8_t *out_ptr_base = out.ptr() + bo * out_stride_w;
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ const float yi_f = ((yo + sampling_offset) * scale_y - sampling_offset);
+ // Integer coordinate
+ const auto yi = static_cast<int>(std::floor(yi_f));
+ // Weight for the y coordinate
+ const auto a1 = (yi_f - static_cast<float>(yi));
+ const auto b1 = (1.f - a1);
+
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ const float xi_f = ((xo + sampling_offset) * scale_x - sampling_offset);
+ // Integer coordinate
+ const auto xi = static_cast<int>(std::floor(xi_f));
+ // Weight for the x coordinate
+ const auto a = (xi_f - static_cast<float>(xi));
+ const auto b = (1.f - a);
+
+ const auto s00_s = static_cast<T>(b * b1);
+ const auto s01_s = static_cast<T>(a * b1);
+ const auto s10_s = static_cast<T>(b * a1);
+ const auto s11_s = static_cast<T>(a * a1);
+
+ const uint8_t *in_ptr = in_ptr_base + xi * in_stride_y + yi * in_stride_z;
+ uint8_t *out_ptr = out_ptr_base + xo * out_stride_y + yo * out_stride_z;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ auto in00 = wrapper::vdup_n(static_cast<T>(const_border_value), ExactTagType{});
+ auto in01 = wrapper::vdup_n(static_cast<T>(const_border_value), ExactTagType{});
+ auto in10 = wrapper::vdup_n(static_cast<T>(const_border_value), ExactTagType{});
+ auto in11 = wrapper::vdup_n(static_cast<T>(const_border_value), ExactTagType{});
+ if ((yi >= 0) && (yi < in_dim_h))
+ {
+ if ((xi >= 0) && (xi < in_dim_w))
+ {
+ in00 = wrapper::vloadq(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T)));
+ }
+ if (((xi + 1) >= 0) && ((xi + 1) < in_dim_w))
+ {
+ in01 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + in_stride_y));
+ }
+ }
+ if (((yi + 1) >= 0) && ((yi + 1) < in_dim_h))
+ {
+ if ((xi >= 0) && (xi < in_dim_w))
+ {
+ in10 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + in_stride_z));
+ }
+ if (((xi + 1) >= 0) && ((xi + 1) < in_dim_w))
+ {
+ in11 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + in_stride_y + in_stride_z));
+ }
+ }
+
+ const auto s00 = wrapper::vdup_n(s00_s, ExactTagType{});
+ const auto s01 = wrapper::vdup_n(s01_s, ExactTagType{});
+ const auto s10 = wrapper::vdup_n(s10_s, ExactTagType{});
+ const auto s11 = wrapper::vdup_n(s11_s, ExactTagType{});
+ auto out0 = wrapper::vdup_n(static_cast<T>(0), ExactTagType{});
+ out0 = wrapper::vmla(out0, in00, s00);
+ out0 = wrapper::vmla(out0, in01, s01);
+ out0 = wrapper::vmla(out0, in10, s10);
+ out0 = wrapper::vmla(out0, in11, s11);
+ wrapper::vstore(reinterpret_cast<T *>(out_ptr + cout * sizeof(T)), out0);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ auto in00 = static_cast<T>(const_border_value);
+ auto in01 = static_cast<T>(const_border_value);
+ auto in10 = static_cast<T>(const_border_value);
+ auto in11 = static_cast<T>(const_border_value);
+ if ((yi >= 0) && (yi < in_dim_h))
+ {
+ if ((xi >= 0) && (xi < in_dim_w))
+ {
+ in00 = *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T)));
+ }
+ if (((xi + 1) >= 0) && ((xi + 1) < in_dim_w))
+ {
+ in01 = *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + in_stride_y));
+ }
+ }
+ if (((yi + 1) >= 0) && ((yi + 1) < in_dim_h))
+ {
+ if ((xi >= 0) && (xi < in_dim_w))
+ {
+ in10 = *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + in_stride_z));
+ }
+ if (((xi + 1) >= 0) && ((xi + 1) < in_dim_w))
+ {
+ in11 = *(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + in_stride_y + in_stride_z));
+ }
+ }
+ auto out0 = static_cast<T>(0);
+ out0 += in00 * s00_s;
+ out0 += in01 * s01_s;
+ out0 += in10 * s10_s;
+ out0 += in11 * s11_s;
+ *(reinterpret_cast<T *>(out_ptr + cout * sizeof(T))) = out0;
+ }
+ }
+ }
+ }
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const uint8_t *in_ptr = in.ptr() + bo * in_stride_w;
+ uint8_t *out_ptr = out.ptr() + bo * out_stride_w;
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ const float yi_f = ((yo + sampling_offset) * scale_y - sampling_offset);
+ // Integer coordinate
+ const auto yi = static_cast<int>(std::floor(yi_f));
+ // Weight for the y coordinate
+ const auto a1 = (yi_f - static_cast<float>(yi));
+ const auto b1 = (1.f - a1);
+
+ const int yi0 = utility::clamp<int>(yi, 0, in_dim_h - 1);
+ const int yi1 = utility::clamp<int>(yi + 1, 0, in_dim_h - 1);
+
+ const int yi0_offset = yi0 * in_stride_z;
+ const int yi1_offset = yi1 * in_stride_z;
+
+ const int y_offset = yo * out_stride_z;
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ const float xi_f = ((xo + sampling_offset) * scale_x - sampling_offset);
+ // Integer coordinate
+ const auto xi = static_cast<int>(std::floor(xi_f));
+ // Weight for the x coordinate
+ const auto a = (xi_f - static_cast<float>(xi));
+ const auto b = (1.f - a);
+
+ const auto s00_s = static_cast<T>(b * b1);
+ const auto s01_s = static_cast<T>(a * b1);
+ const auto s10_s = static_cast<T>(b * a1);
+ const auto s11_s = static_cast<T>(a * a1);
+
+ const auto s00 = wrapper::vdup_n(s00_s, ExactTagType{});
+ const auto s01 = wrapper::vdup_n(s01_s, ExactTagType{});
+ const auto s10 = wrapper::vdup_n(s10_s, ExactTagType{});
+ const auto s11 = wrapper::vdup_n(s11_s, ExactTagType{});
+
+ const int xi0 = utility::clamp<int>(xi, 0, in_dim_w - 1);
+ const int xi1 = utility::clamp<int>(xi + 1, 0, in_dim_w - 1);
+
+ const int xi0_offset = xi0 * in_stride_y;
+ const int xi1_offset = xi1 * in_stride_y;
+
+ const int offset = xo * out_stride_y + y_offset;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ const auto in00 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi0_offset + yi0_offset));
+ const auto in01 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi1_offset + yi0_offset));
+ const auto in10 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi0_offset + yi1_offset));
+ const auto in11 = wrapper::vloadq(
+ reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi1_offset + yi1_offset));
+
+ auto out0 = wrapper::vmul(in00, s00);
+ out0 = wrapper::vmla(out0, in01, s01);
+ out0 = wrapper::vmla(out0, in10, s10);
+ out0 = wrapper::vmla(out0, in11, s11);
+ wrapper::vstore(reinterpret_cast<T *>(out_ptr + offset + cout * sizeof(T)), out0);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ const T in00 =
+ *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi0_offset + yi0_offset));
+ const T in01 =
+ *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi1_offset + yi0_offset));
+ const T in10 =
+ *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi0_offset + yi1_offset));
+ const T in11 =
+ *(reinterpret_cast<const T *>(in_ptr + cout * sizeof(T) + xi1_offset + yi1_offset));
+
+ T out0 = in00 * s00_s;
+ out0 += in01 * s01_s;
+ out0 += in10 * s10_s;
+ out0 += in11 * s11_s;
+ *(reinterpret_cast<T *>(out_ptr + offset + cout * sizeof(T))) = out0;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+
+template <typename T>
+void common_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ bilinear_neon_scale<T>(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+ {
+ nearest_neon_scale<T>(src, dst, offsets, sampling_offset, align_corners, window);
+ }
+}
+} // namespace cpu
+} // namespace arm_compute
+
+#endif // ACL_SRC_CPU_KERNELS_SCALE_NEON_LIST_H
diff --git a/src/cpu/kernels/scale/neon/qasymm8.cpp b/src/cpu/kernels/scale/neon/qasymm8.cpp
new file mode 100644
index 0000000000..62a821daa5
--- /dev/null
+++ b/src/cpu/kernels/scale/neon/qasymm8.cpp
@@ -0,0 +1,406 @@
+/*
+ * Copyright (c) 2021-2022 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/core/helpers/ScaleHelpers.h"
+#include "src/cpu/kernels/scale/neon/list.h"
+
+namespace arm_compute
+{
+namespace
+{
+void qasymm8_neon_scale_bilinear(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ // Data layout is NHWC
+ const int32_t input_width = src->info()->dimension(1);
+ const int32_t input_height = src->info()->dimension(2);
+
+ const UniformQuantizationInfo iq_info = src->info()->quantization_info().uniform();
+ const UniformQuantizationInfo oq_info = dst->info()->quantization_info().uniform();
+
+ // Compute the ratio between source and destination dimensions
+ const float scale_x =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ const float scale_y =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+ const int32_t in_stride_y = src->info()->strides_in_bytes()[1];
+ const int32_t in_stride_z = src->info()->strides_in_bytes()[2];
+
+ // Compute the ratio between source height and destination height
+ Window win_off;
+ win_off.set(Window::DimX, Window::Dimension(0, 0, 0));
+ win_off.set(Window::DimY, Window::Dimension(0, 0, 0));
+
+ // Don't increment in X and Y direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(1, Window::Dimension(0, 0, 0));
+ win_in.set(2, Window::Dimension(0, 0, 0));
+
+ for (size_t d = Window::DimZ; d < offsets->info()->num_dimensions(); ++d)
+ {
+ win_off.set(d, Window::Dimension(0, 0, 0));
+ }
+
+ Iterator in(src, win_in);
+ Iterator out(dst, window);
+
+ const uint8_t const_border_value = static_cast<uint8_t>(constant_border_value.get<uint8_t>());
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const int32_t index_h = std::floor((id[2] + sampling_offset) * scale_y - sampling_offset);
+ const int32_t index_w =
+ *(reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id[1], id[2]))));
+ const auto dx_val = *(reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id[1], id[2]))));
+ const auto dy_val = *(reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id[1], id[2]))));
+ const auto pixel_row_ptr = reinterpret_cast<const uint8_t *>(in.ptr());
+
+ const auto a00 = (0 <= index_w && index_w < input_width && 0 <= index_h && index_h < input_height)
+ ? (*(pixel_row_ptr + index_w * in_stride_y + index_h * in_stride_z))
+ : const_border_value;
+ const auto a01 = (-1 <= index_w && index_w + 1 < input_width && 0 <= index_h && index_h < input_height)
+ ? (*(pixel_row_ptr + (index_w + 1) * in_stride_y + index_h * in_stride_z))
+ : const_border_value;
+ const auto a10 = (0 <= index_w && index_w < input_width && -1 <= index_h && index_h < input_height - 1)
+ ? (*(pixel_row_ptr + index_w * in_stride_y + (index_h + 1) * in_stride_z))
+ : const_border_value;
+ const auto a11 =
+ (-1 <= index_w && index_w < input_width - 1 && -1 <= index_h && index_h < input_height - 1)
+ ? (*(pixel_row_ptr + (index_w + 1) * in_stride_y + (index_h + 1) * in_stride_z))
+ : const_border_value;
+
+ const float inp00 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a00, iq_info);
+ const float inp01 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a01, iq_info);
+ const float inp10 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a10, iq_info);
+ const float inp11 = Qasymm8QuantizationHelper<uint8_t>::dequantize(a11, iq_info);
+ *reinterpret_cast<uint8_t *>(out.ptr()) = Qasymm8QuantizationHelper<uint8_t>::quantize(
+ scale_helpers::delta_bilinear(inp00, inp01, inp10, inp11, dx_val, dy_val), oq_info);
+ },
+ in, out);
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ using FloatTagType = typename wrapper::traits::neon_bitvector_tag_t<float, wrapper::traits::BitWidth::W128>;
+ using Int32TagType = typename wrapper::traits::neon_bitvector_tag_t<int32_t, wrapper::traits::BitWidth::W128>;
+
+ const int in_stride_x = src->info()->strides_in_bytes()[1];
+ const int in_stride_y = src->info()->strides_in_bytes()[2];
+ const int in_stride_b = src->info()->strides_in_bytes()[3];
+ const int out_stride_x = dst->info()->strides_in_bytes()[1];
+ const int out_stride_y = dst->info()->strides_in_bytes()[2];
+ const int out_stride_b = dst->info()->strides_in_bytes()[3];
+ const int out_dim_ch = dst->info()->dimension(0);
+ constexpr int step_cout = 16;
+
+ Window window_execution = window;
+ window_execution.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Window win_in_out(window);
+ win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in_out);
+ Iterator out(dst, win_in_out);
+
+ const int xo_start = window_execution[1].start();
+ const int xo_end = window_execution[1].end();
+ const int xo_step = window_execution[1].step();
+ const int yo_start = window_execution[2].start();
+ const int yo_end = window_execution[2].end();
+ const int yo_step = window_execution[2].step();
+ const int bo_start = window_execution[3].start();
+ const int bo_end = window_execution[3].end();
+ const int bo_step = window_execution[3].step();
+
+ const UniformQuantizationInfo iq_info = src->info()->quantization_info().uniform();
+ const UniformQuantizationInfo oq_info = dst->info()->quantization_info().uniform();
+
+ const float32x4_t vscale_in = wrapper::vdup_n(iq_info.scale, FloatTagType{});
+ const int32x4_t voffset_in = wrapper::vdup_n(iq_info.offset, Int32TagType{}); // Offsets will be Int32
+
+ const float32x4_t invvscale_o = wrapper::vdup_n(1.f / oq_info.scale, FloatTagType{});
+ const float32x4_t voffset_o = vdupq_n_f32(oq_info.offset);
+
+ const float fp_coord_offset_y = sampling_offset * (scale_y - 1);
+ const float fp_coord_offset_x = sampling_offset * (scale_x - 1);
+
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const uint8_t *in_ptr = in.ptr() + bo * in_stride_b;
+ uint8_t *out_ptr = out.ptr() + bo * out_stride_b;
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ const float yi_f = yo * scale_y + fp_coord_offset_y;
+ // Integer coordinate
+ const int yi = static_cast<int>(std::floor(yi_f));
+ // Weight for the y coordinate
+ const float a1 = (yi_f - static_cast<float>(yi));
+ const float b1 = (1.f - a1);
+
+ const int yi0 = utility::clamp<int>(yi, 0, input_height - 1);
+ const int yi1 = utility::clamp<int>(yi + 1, 0, input_height - 1);
+
+ const uint8_t *in_ptr_yi0 = in_ptr + yi0 * in_stride_y;
+ const uint8_t *in_ptr_yi1 = in_ptr + yi1 * in_stride_y;
+
+ uint8_t *out_ptr_yo = out_ptr + yo * out_stride_y;
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ const float xi_f = xo * scale_x + fp_coord_offset_x;
+ // Integer coordinate
+ const int xi = static_cast<int>(std::floor(xi_f));
+ // Weight for the x coordinate
+ const float a = (xi_f - static_cast<float>(xi));
+ const float b = (1.f - a);
+
+ const float s00_s = b * b1;
+ const float s01_s = a * b1;
+ const float s10_s = b * a1;
+ const float s11_s = a * a1;
+
+ const auto s00 = wrapper::vdup_n(s00_s, FloatTagType{});
+ const auto s01 = wrapper::vdup_n(s01_s, FloatTagType{});
+ const auto s10 = wrapper::vdup_n(s10_s, FloatTagType{});
+ const auto s11 = wrapper::vdup_n(s11_s, FloatTagType{});
+
+ const int xi0 = utility::clamp<int>(xi, 0, input_width - 1);
+ const int xi1 = utility::clamp<int>(xi + 1, 0, input_width - 1);
+
+ const auto in_ptr_xi0_yi0 = in_ptr_yi0 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi0 = in_ptr_yi0 + xi1 * in_stride_x;
+ const auto in_ptr_xi0_yi1 = in_ptr_yi1 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi1 = in_ptr_yi1 + xi1 * in_stride_x;
+
+ uint8_t *out_ptr_xo_yo = out_ptr_yo + xo * out_stride_x;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ const auto in00 = wrapper::vloadq(in_ptr_xi0_yi0 + cout * sizeof(uint8_t));
+ const auto in01 = wrapper::vloadq(in_ptr_xi1_yi0 + cout * sizeof(uint8_t));
+ const auto in10 = wrapper::vloadq(in_ptr_xi0_yi1 + cout * sizeof(uint8_t));
+ const auto in11 = wrapper::vloadq(in_ptr_xi1_yi1 + cout * sizeof(uint8_t));
+
+ const uint16x8_t in00_low = wrapper::vmovl(wrapper::vgetlow(in00));
+ const uint16x8_t in00_high = wrapper::vmovl(wrapper::vgethigh(in00));
+
+ const auto in00_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in00_low))), voffset_in)),
+ vscale_in);
+ const auto in00_1 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in00_low))), voffset_in)),
+ vscale_in);
+ const auto in00_2 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in00_high))), voffset_in)),
+ vscale_in);
+ const auto in00_3 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in00_high))), voffset_in)),
+ vscale_in);
+
+ const uint16x8_t in01_low = wrapper::vmovl(wrapper::vgetlow(in01));
+ const uint16x8_t in01_high = wrapper::vmovl(wrapper::vgethigh(in01));
+
+ const auto in01_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in01_low))), voffset_in)),
+ vscale_in);
+ const auto in01_1 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in01_low))), voffset_in)),
+ vscale_in);
+ const auto in01_2 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in01_high))), voffset_in)),
+ vscale_in);
+ const auto in01_3 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in01_high))), voffset_in)),
+ vscale_in);
+
+ const uint16x8_t in10_low = wrapper::vmovl(wrapper::vgetlow(in10));
+ const uint16x8_t in10_high = wrapper::vmovl(wrapper::vgethigh(in10));
+
+ const auto in10_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in10_low))), voffset_in)),
+ vscale_in);
+ const auto in10_1 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in10_low))), voffset_in)),
+ vscale_in);
+ const auto in10_2 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in10_high))), voffset_in)),
+ vscale_in);
+ const auto in10_3 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in10_high))), voffset_in)),
+ vscale_in);
+
+ const uint16x8_t in11_low = wrapper::vmovl(wrapper::vgetlow(in11));
+ const uint16x8_t in11_high = wrapper::vmovl(wrapper::vgethigh(in11));
+
+ const auto in11_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in11_low))), voffset_in)),
+ vscale_in);
+ const auto in11_1 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in11_low))), voffset_in)),
+ vscale_in);
+ const auto in11_2 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgetlow(in11_high))), voffset_in)),
+ vscale_in);
+ const auto in11_3 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vreinterpret(wrapper::vmovl(wrapper::vgethigh(in11_high))), voffset_in)),
+ vscale_in);
+
+ auto out_0 = wrapper::vmul(in00_0, s00);
+ out_0 = wrapper::vmla(out_0, in01_0, s01);
+ out_0 = wrapper::vmla(out_0, in10_0, s10);
+ out_0 = wrapper::vmla(out_0, in11_0, s11);
+
+ auto out_1 = wrapper::vmul(in00_1, s00);
+ out_1 = wrapper::vmla(out_1, in01_1, s01);
+ out_1 = wrapper::vmla(out_1, in10_1, s10);
+ out_1 = wrapper::vmla(out_1, in11_1, s11);
+
+ auto out_2 = wrapper::vmul(in00_2, s00);
+ out_2 = wrapper::vmla(out_2, in01_2, s01);
+ out_2 = wrapper::vmla(out_2, in10_2, s10);
+ out_2 = wrapper::vmla(out_2, in11_2, s11);
+
+ auto out_3 = wrapper::vmul(in00_3, s00);
+ out_3 = wrapper::vmla(out_3, in01_3, s01);
+ out_3 = wrapper::vmla(out_3, in10_3, s10);
+ out_3 = wrapper::vmla(out_3, in11_3, s11);
+
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvta<uint32_t>(wrapper::vmla(voffset_o, out_0, invvscale_o));
+ const auto out_1_int = wrapper::vcvta<uint32_t>(wrapper::vmla(voffset_o, out_1, invvscale_o));
+ const auto out_2_int = wrapper::vcvta<uint32_t>(wrapper::vmla(voffset_o, out_2, invvscale_o));
+ const auto out_3_int = wrapper::vcvta<uint32_t>(wrapper::vmla(voffset_o, out_3, invvscale_o));
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvt<uint32_t>(wrapper::vmla(voffset_o, out_0, invvscale_o));
+ const auto out_1_int = wrapper::vcvt<uint32_t>(wrapper::vmla(voffset_o, out_1, invvscale_o));
+ const auto out_2_int = wrapper::vcvt<uint32_t>(wrapper::vmla(voffset_o, out_2, invvscale_o));
+ const auto out_3_int = wrapper::vcvt<uint32_t>(wrapper::vmla(voffset_o, out_3, invvscale_o));
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto low_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_0_int), wrapper::vqmovn(out_1_int)));
+ const auto high_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_2_int), wrapper::vqmovn(out_3_int)));
+ const auto out = wrapper::vcombine(low_part, high_part);
+
+ wrapper::vstore(out_ptr_xo_yo + cout * sizeof(uint8_t), out);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ const uint8_t in00 = *(in_ptr_xi0_yi0 + cout * sizeof(uint8_t));
+ const uint8_t in01 = *(in_ptr_xi1_yi0 + cout * sizeof(uint8_t));
+ const uint8_t in10 = *(in_ptr_xi0_yi1 + cout * sizeof(uint8_t));
+ const uint8_t in11 = *(in_ptr_xi1_yi1 + cout * sizeof(uint8_t));
+
+ const float in00_f = (static_cast<int32_t>(in00) - iq_info.offset) * iq_info.scale;
+ const float in01_f = (static_cast<int32_t>(in01) - iq_info.offset) * iq_info.scale;
+ const float in10_f = (static_cast<int32_t>(in10) - iq_info.offset) * iq_info.scale;
+ const float in11_f = (static_cast<int32_t>(in11) - iq_info.offset) * iq_info.scale;
+
+ float out = in00_f * s00_s;
+ out += in01_f * s01_s;
+ out += in10_f * s10_s;
+ out += in11_f * s11_s;
+
+ // Rounding modes of vector and scalar loops should match
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(uint8_t)) = quantize_qasymm8(out, oq_info);
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(uint8_t)) =
+ quantize_qasymm8(out, oq_info, RoundingPolicy::TO_ZERO);
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+} // namespace
+namespace cpu
+{
+void qasymm8_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ if (src->info()->quantization_info() == dst->info()->quantization_info())
+ {
+ u8_neon_scale(src, dst, offsets, dx, dy, policy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else
+ {
+ qasymm8_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ }
+ else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+ {
+ nearest_neon_scale<uint8_t>(src, dst, offsets, sampling_offset, align_corners, window);
+ }
+}
+} // namespace cpu
+} // namespace arm_compute
diff --git a/src/cpu/kernels/scale/neon/qasymm8_signed.cpp b/src/cpu/kernels/scale/neon/qasymm8_signed.cpp
new file mode 100644
index 0000000000..5a885178a7
--- /dev/null
+++ b/src/cpu/kernels/scale/neon/qasymm8_signed.cpp
@@ -0,0 +1,394 @@
+/*
+ * Copyright (c) 2021-2022 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/core/helpers/ScaleHelpers.h"
+#include "src/cpu/kernels/scale/neon/list.h"
+
+namespace arm_compute
+{
+namespace
+{
+void qasymm8_signed_neon_scale_bilinear(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ // Data layout is NHWC
+ const UniformQuantizationInfo iq_info = src->info()->quantization_info().uniform();
+ const UniformQuantizationInfo oq_info = dst->info()->quantization_info().uniform();
+
+ const int32_t input_width = src->info()->dimension(1);
+ const int32_t input_height = src->info()->dimension(2);
+
+ // Compute the ratio between source and destination dimensions
+ const float scale_x =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(1), dst->info()->dimension(1), align_corners);
+ const float scale_y =
+ scale_utils::calculate_resize_ratio(src->info()->dimension(2), dst->info()->dimension(2), align_corners);
+
+ if (border_mode == BorderMode::CONSTANT)
+ {
+ const int32_t in_stride_y = src->info()->strides_in_bytes()[1];
+ const int32_t in_stride_z = src->info()->strides_in_bytes()[2];
+
+ Window win_off;
+ win_off.set(Window::DimX, Window::Dimension(0, 0, 0));
+ win_off.set(Window::DimY, Window::Dimension(0, 0, 0));
+
+ // Don't increment in X and Y direction for the input tensor
+ // A pointer to the start of this plane is needed as base for the precomputed offsets
+ Window win_in(window);
+ win_in.set(1, Window::Dimension(0, 0, 0));
+ win_in.set(2, Window::Dimension(0, 0, 0));
+
+ for (size_t d = Window::DimZ; d < offsets->info()->num_dimensions(); ++d)
+ {
+ win_off.set(d, Window::Dimension(0, 0, 0));
+ }
+
+ Iterator in(src, win_in);
+ Iterator out(dst, window);
+
+ const int8_t const_border_value = static_cast<int8_t>(constant_border_value.get<int8_t>());
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id)
+ {
+ const int32_t index_h = std::floor((id[2] + sampling_offset) * scale_y - sampling_offset);
+ const int32_t index_w =
+ *(reinterpret_cast<const int32_t *>(offsets->ptr_to_element(Coordinates(id[1], id[2]))));
+ const auto dx_val = *(reinterpret_cast<const float *>(dx->ptr_to_element(Coordinates(id[1], id[2]))));
+ const auto dy_val = *(reinterpret_cast<const float *>(dy->ptr_to_element(Coordinates(id[1], id[2]))));
+ const auto pixel_row_ptr = reinterpret_cast<const int8_t *>(in.ptr());
+
+ const auto a00 = (0 <= index_w && index_w < input_width && 0 <= index_h && index_h < input_height)
+ ? (*(pixel_row_ptr + index_w * in_stride_y + index_h * in_stride_z))
+ : const_border_value;
+ const auto a01 = (-1 <= index_w && index_w + 1 < input_width && 0 <= index_h && index_h < input_height)
+ ? (*(pixel_row_ptr + (index_w + 1) * in_stride_y + index_h * in_stride_z))
+ : const_border_value;
+ const auto a10 = (0 <= index_w && index_w < input_width && -1 <= index_h && index_h < input_height - 1)
+ ? (*(pixel_row_ptr + index_w * in_stride_y + (index_h + 1) * in_stride_z))
+ : const_border_value;
+ const auto a11 =
+ (-1 <= index_w && index_w < input_width - 1 && -1 <= index_h && index_h < input_height - 1)
+ ? (*(pixel_row_ptr + (index_w + 1) * in_stride_y + (index_h + 1) * in_stride_z))
+ : const_border_value;
+
+ const float inp00 = Qasymm8QuantizationHelper<int8_t>::dequantize(a00, iq_info);
+ const float inp01 = Qasymm8QuantizationHelper<int8_t>::dequantize(a01, iq_info);
+ const float inp10 = Qasymm8QuantizationHelper<int8_t>::dequantize(a10, iq_info);
+ const float inp11 = Qasymm8QuantizationHelper<int8_t>::dequantize(a11, iq_info);
+ *reinterpret_cast<int8_t *>(out.ptr()) = Qasymm8QuantizationHelper<int8_t>::quantize(
+ scale_helpers::delta_bilinear(inp00, inp01, inp10, inp11, dx_val, dy_val), oq_info);
+ },
+ in, out);
+ }
+ else if (border_mode == BorderMode::REPLICATE)
+ {
+ using FloatTagType = typename wrapper::traits::neon_bitvector_tag_t<float, wrapper::traits::BitWidth::W128>;
+ using Int32TagType = typename wrapper::traits::neon_bitvector_tag_t<int32_t, wrapper::traits::BitWidth::W128>;
+
+ const int in_stride_x = src->info()->strides_in_bytes()[1];
+ const int in_stride_y = src->info()->strides_in_bytes()[2];
+ const int in_stride_b = src->info()->strides_in_bytes()[3];
+ const int out_stride_x = dst->info()->strides_in_bytes()[1];
+ const int out_stride_y = dst->info()->strides_in_bytes()[2];
+ const int out_stride_b = dst->info()->strides_in_bytes()[3];
+ const int out_dim_ch = dst->info()->dimension(0);
+ constexpr int step_cout = 16;
+
+ Window window_execution = window;
+ window_execution.set(Window::DimX, Window::Dimension(0, 1, 1));
+ Window win_in_out(window);
+ win_in_out.set(Window::DimY, Window::Dimension(0, 0, 0));
+ win_in_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
+ Iterator in(src, win_in_out);
+ Iterator out(dst, win_in_out);
+
+ const int xo_start = window_execution[1].start();
+ const int xo_end = window_execution[1].end();
+ const int xo_step = window_execution[1].step();
+ const int yo_start = window_execution[2].start();
+ const int yo_end = window_execution[2].end();
+ const int yo_step = window_execution[2].step();
+ const int bo_start = window_execution[3].start();
+ const int bo_end = window_execution[3].end();
+ const int bo_step = window_execution[3].step();
+
+ const float fp_coord_offset_y = sampling_offset * (scale_y - 1);
+ const float fp_coord_offset_x = sampling_offset * (scale_x - 1);
+
+ const UniformQuantizationInfo iq_info = src->info()->quantization_info().uniform();
+ const UniformQuantizationInfo oq_info = dst->info()->quantization_info().uniform();
+
+ const float32x4_t vscale_in = wrapper::vdup_n(iq_info.scale, FloatTagType{});
+ const int32x4_t voffset_in = wrapper::vdup_n(iq_info.offset, Int32TagType{}); // Offsets will be Int32
+
+ const float32x4_t invvscale_o = wrapper::vdup_n(1.f / oq_info.scale, FloatTagType{});
+ const float32x4_t voffset_o = vdupq_n_f32(oq_info.offset);
+
+ for (int bo = bo_start; bo < bo_end; bo += bo_step)
+ {
+ const int8_t *in_ptr = reinterpret_cast<int8_t *>(in.ptr() + bo * in_stride_b);
+ int8_t *out_ptr = reinterpret_cast<int8_t *>(out.ptr() + bo * out_stride_b);
+
+ for (int yo = yo_start; yo < yo_end; yo += yo_step)
+ {
+ // Floating-point coordinate
+ const float yi_f = yo * scale_y + fp_coord_offset_y;
+ // Integer coordinate
+ const int yi = static_cast<int>(std::floor(yi_f));
+ // Weight for the y coordinate
+ const float a1 = (yi_f - static_cast<float>(yi));
+ const float b1 = (1.f - a1);
+
+ const int yi0 = utility::clamp<int>(yi, 0, input_height - 1);
+ const int yi1 = utility::clamp<int>(yi + 1, 0, input_height - 1);
+
+ const int8_t *in_ptr_yi0 = in_ptr + yi0 * in_stride_y;
+ const int8_t *in_ptr_yi1 = in_ptr + yi1 * in_stride_y;
+
+ int8_t *out_ptr_yo = out_ptr + yo * out_stride_y;
+ for (int xo = xo_start; xo < xo_end; xo += xo_step)
+ {
+ // Floating-point coordinate
+ const float xi_f = xo * scale_x + fp_coord_offset_x;
+ // Integer coordinate
+ const int xi = static_cast<int>(std::floor(xi_f));
+ // Weight for the x coordinate
+ const float a = (xi_f - static_cast<float>(xi));
+ const float b = (1.f - a);
+
+ const float s00_s = b * b1;
+ const float s01_s = a * b1;
+ const float s10_s = b * a1;
+ const float s11_s = a * a1;
+
+ const auto s00 = wrapper::vdup_n(s00_s, FloatTagType{});
+ const auto s01 = wrapper::vdup_n(s01_s, FloatTagType{});
+ const auto s10 = wrapper::vdup_n(s10_s, FloatTagType{});
+ const auto s11 = wrapper::vdup_n(s11_s, FloatTagType{});
+
+ const int xi0 = utility::clamp<int>(xi, 0, input_width - 1);
+ const int xi1 = utility::clamp<int>(xi + 1, 0, input_width - 1);
+
+ const auto in_ptr_xi0_yi0 = in_ptr_yi0 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi0 = in_ptr_yi0 + xi1 * in_stride_x;
+ const auto in_ptr_xi0_yi1 = in_ptr_yi1 + xi0 * in_stride_x;
+ const auto in_ptr_xi1_yi1 = in_ptr_yi1 + xi1 * in_stride_x;
+
+ int8_t *out_ptr_xo_yo = out_ptr_yo + xo * out_stride_x;
+
+ int cout = 0;
+ for (; cout <= (out_dim_ch - step_cout); cout += step_cout)
+ {
+ const auto in00 = wrapper::vloadq(in_ptr_xi0_yi0 + cout * sizeof(int8_t));
+ const auto in01 = wrapper::vloadq(in_ptr_xi1_yi0 + cout * sizeof(int8_t));
+ const auto in10 = wrapper::vloadq(in_ptr_xi0_yi1 + cout * sizeof(int8_t));
+ const auto in11 = wrapper::vloadq(in_ptr_xi1_yi1 + cout * sizeof(int8_t));
+
+ const int16x8_t in00_low = wrapper::vmovl(wrapper::vgetlow(in00));
+ const int16x8_t in00_high = wrapper::vmovl(wrapper::vgethigh(in00));
+
+ const auto in00_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(wrapper::vmovl(wrapper::vgetlow(in00_low)), voffset_in)),
+ vscale_in);
+ const auto in00_1 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgethigh(in00_low)), voffset_in)),
+ vscale_in);
+ const auto in00_2 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgetlow(in00_high)), voffset_in)),
+ vscale_in);
+ const auto in00_3 =
+ wrapper::vmul(wrapper::vcvt<float>(
+ wrapper::vsub(wrapper::vmovl(wrapper::vgethigh(in00_high)), voffset_in)),
+ vscale_in);
+
+ const int16x8_t in01_low = wrapper::vmovl(wrapper::vgetlow(in01));
+ const int16x8_t in01_high = wrapper::vmovl(wrapper::vgethigh(in01));
+
+ const auto in01_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(wrapper::vmovl(wrapper::vgetlow(in01_low)), voffset_in)),
+ vscale_in);
+ const auto in01_1 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgethigh(in01_low)), voffset_in)),
+ vscale_in);
+ const auto in01_2 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgetlow(in01_high)), voffset_in)),
+ vscale_in);
+ const auto in01_3 =
+ wrapper::vmul(wrapper::vcvt<float>(
+ wrapper::vsub(wrapper::vmovl(wrapper::vgethigh(in01_high)), voffset_in)),
+ vscale_in);
+
+ const int16x8_t in10_low = wrapper::vmovl(wrapper::vgetlow(in10));
+ const int16x8_t in10_high = wrapper::vmovl(wrapper::vgethigh(in10));
+
+ const auto in10_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(wrapper::vmovl(wrapper::vgetlow(in10_low)), voffset_in)),
+ vscale_in);
+ const auto in10_1 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgethigh(in10_low)), voffset_in)),
+ vscale_in);
+ const auto in10_2 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgetlow(in10_high)), voffset_in)),
+ vscale_in);
+ const auto in10_3 =
+ wrapper::vmul(wrapper::vcvt<float>(
+ wrapper::vsub(wrapper::vmovl(wrapper::vgethigh(in10_high)), voffset_in)),
+ vscale_in);
+
+ const int16x8_t in11_low = wrapper::vmovl(wrapper::vgetlow(in11));
+ const int16x8_t in11_high = wrapper::vmovl(wrapper::vgethigh(in11));
+
+ const auto in11_0 = wrapper::vmul(
+ wrapper::vcvt<float>(wrapper::vsub(wrapper::vmovl(wrapper::vgetlow(in11_low)), voffset_in)),
+ vscale_in);
+ const auto in11_1 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgethigh(in11_low)), voffset_in)),
+ vscale_in);
+ const auto in11_2 = wrapper::vmul(wrapper::vcvt<float>(wrapper::vsub(
+ wrapper::vmovl(wrapper::vgetlow(in11_high)), voffset_in)),
+ vscale_in);
+ const auto in11_3 =
+ wrapper::vmul(wrapper::vcvt<float>(
+ wrapper::vsub(wrapper::vmovl(wrapper::vgethigh(in11_high)), voffset_in)),
+ vscale_in);
+
+ auto out_0 = wrapper::vmul(in00_0, s00);
+ out_0 = wrapper::vmla(out_0, in01_0, s01);
+ out_0 = wrapper::vmla(out_0, in10_0, s10);
+ out_0 = wrapper::vmla(out_0, in11_0, s11);
+
+ auto out_1 = wrapper::vmul(in00_1, s00);
+ out_1 = wrapper::vmla(out_1, in01_1, s01);
+ out_1 = wrapper::vmla(out_1, in10_1, s10);
+ out_1 = wrapper::vmla(out_1, in11_1, s11);
+
+ auto out_2 = wrapper::vmul(in00_2, s00);
+ out_2 = wrapper::vmla(out_2, in01_2, s01);
+ out_2 = wrapper::vmla(out_2, in10_2, s10);
+ out_2 = wrapper::vmla(out_2, in11_2, s11);
+
+ auto out_3 = wrapper::vmul(in00_3, s00);
+ out_3 = wrapper::vmla(out_3, in01_3, s01);
+ out_3 = wrapper::vmla(out_3, in10_3, s10);
+ out_3 = wrapper::vmla(out_3, in11_3, s11);
+
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvta<int32_t>(wrapper::vmla(voffset_o, out_0, invvscale_o));
+ const auto out_1_int = wrapper::vcvta<int32_t>(wrapper::vmla(voffset_o, out_1, invvscale_o));
+ const auto out_2_int = wrapper::vcvta<int32_t>(wrapper::vmla(voffset_o, out_2, invvscale_o));
+ const auto out_3_int = wrapper::vcvta<int32_t>(wrapper::vmla(voffset_o, out_3, invvscale_o));
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto out_0_int = wrapper::vcvt<int32_t>(wrapper::vmla(voffset_o, out_0, invvscale_o));
+ const auto out_1_int = wrapper::vcvt<int32_t>(wrapper::vmla(voffset_o, out_1, invvscale_o));
+ const auto out_2_int = wrapper::vcvt<int32_t>(wrapper::vmla(voffset_o, out_2, invvscale_o));
+ const auto out_3_int = wrapper::vcvt<int32_t>(wrapper::vmla(voffset_o, out_3, invvscale_o));
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ const auto low_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_0_int), wrapper::vqmovn(out_1_int)));
+ const auto high_part =
+ wrapper::vqmovn(wrapper::vcombine(wrapper::vqmovn(out_2_int), wrapper::vqmovn(out_3_int)));
+ const auto out = wrapper::vcombine(low_part, high_part);
+
+ wrapper::vstore(out_ptr_xo_yo + cout * sizeof(int8_t), out);
+ }
+
+ for (; cout < out_dim_ch; ++cout)
+ {
+ const int8_t in00 = *(in_ptr_xi0_yi0 + cout * sizeof(int8_t));
+ const int8_t in01 = *(in_ptr_xi1_yi0 + cout * sizeof(int8_t));
+ const int8_t in10 = *(in_ptr_xi0_yi1 + cout * sizeof(int8_t));
+ const int8_t in11 = *(in_ptr_xi1_yi1 + cout * sizeof(int8_t));
+
+ const float in00_f = (static_cast<int32_t>(in00) - iq_info.offset) * iq_info.scale;
+ const float in01_f = (static_cast<int32_t>(in01) - iq_info.offset) * iq_info.scale;
+ const float in10_f = (static_cast<int32_t>(in10) - iq_info.offset) * iq_info.scale;
+ const float in11_f = (static_cast<int32_t>(in11) - iq_info.offset) * iq_info.scale;
+
+ float out = in00_f * s00_s;
+ out += in01_f * s01_s;
+ out += in10_f * s10_s;
+ out += in11_f * s11_s;
+
+ // Rounding modes of vector and scalar loops should match
+#if defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(int8_t)) = quantize_qasymm8_signed(out, oq_info);
+#else // defined(__aarch64__) && !defined(BARE_METAL)
+ *(out_ptr_xo_yo + cout * sizeof(int8_t)) =
+ quantize_qasymm8_signed(out, oq_info, RoundingPolicy::TO_ZERO);
+#endif // defined(__aarch64__) && !defined(BARE_METAL)
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ ARM_COMPUTE_ERROR("Not implemented");
+ }
+}
+} // namespace
+namespace cpu
+{
+void qasymm8_signed_neon_scale(const ITensor *src,
+ ITensor *dst,
+ const ITensor *offsets,
+ const ITensor *dx,
+ const ITensor *dy,
+ InterpolationPolicy policy,
+ BorderMode border_mode,
+ PixelValue constant_border_value,
+ float sampling_offset,
+ bool align_corners,
+ const Window &window)
+{
+ if (policy == InterpolationPolicy::BILINEAR)
+ {
+ if (src->info()->quantization_info() == dst->info()->quantization_info() &&
+ border_mode == BorderMode::REPLICATE)
+ {
+ s8_neon_scale(src, dst, offsets, dx, dy, policy, border_mode, constant_border_value, sampling_offset,
+ align_corners, window);
+ }
+ else
+ {
+ qasymm8_signed_neon_scale_bilinear(src, dst, offsets, dx, dy, border_mode, constant_border_value,
+ sampling_offset, align_corners, window);
+ }
+ }
+ else if (policy == InterpolationPolicy::NEAREST_NEIGHBOR)
+ {
+ nearest_neon_scale<int8_t>(src, dst, offsets, sampling_offset, align_corners, window);
+ }
+}
+} // namespace cpu
+} // namespace arm_compute