diff options
Diffstat (limited to 'src/cpu/kernels/scale/neon/qasymm8_signed.cpp')
| -rw-r--r-- | src/cpu/kernels/scale/neon/qasymm8_signed.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
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..706bcee954 --- /dev/null +++ b/src/cpu/kernels/scale/neon/qasymm8_signed.cpp @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2021 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/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 + // 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); + 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 int32_t in_dim_w = src->info()->dimension(1); + const int32_t in_dim_h = src->info()->dimension(2); + const int32_t stride_w = src->info()->strides_in_bytes()[1]; + const int32_t stride_h = src->info()->strides_in_bytes()[2]; + + const UniformQuantizationInfo iq_info = src->info()->quantization_info().uniform(); + const UniformQuantizationInfo oq_info = dst->info()->quantization_info().uniform(); + + if(border_mode == BorderMode::CONSTANT) + { + 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) * hr - 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 < in_dim_w && 0 <= index_h && index_h < in_dim_h) ? + (*(pixel_row_ptr + index_w * stride_w + index_h * stride_h)) : + 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) * stride_w + index_h * stride_h)) : + 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 * stride_w + (index_h + 1) * stride_h)) : + 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) * stride_w + (index_h + 1) * stride_h)) : + 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) + { + execute_window_loop(window, [&](const Coordinates & id) + { + const int index_h = std::floor((id[2] + sampling_offset) * hr - 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()); + + auto clamped_w = utility::clamp<int>(index_w, 0, in_dim_w - 1); + auto clamped_w1 = utility::clamp<int>(index_w + 1, 0, in_dim_w - 1); + auto clamped_h = utility::clamp<int>(index_h, 0, in_dim_h - 1); + auto clamped_h1 = utility::clamp<int>(index_h + 1, 0, in_dim_h - 1); + + const auto a00 = *(pixel_row_ptr + clamped_w * stride_w + clamped_h * stride_h); + const auto a01 = *(pixel_row_ptr + clamped_w1 * stride_w + clamped_h * stride_h); + const auto a10 = *(pixel_row_ptr + clamped_w * stride_w + clamped_h1 * stride_h); + const auto a11 = *(pixel_row_ptr + clamped_w1 * stride_w + clamped_h1 * stride_h); + + 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 + { + ARM_COMPUTE_ERROR("Not implemented"); + } +} +} +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) + { + 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
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