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-rw-r--r--src/core/cpu/kernels/sub/neon/integer.cpp183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/core/cpu/kernels/sub/neon/integer.cpp b/src/core/cpu/kernels/sub/neon/integer.cpp
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+++ b/src/core/cpu/kernels/sub/neon/integer.cpp
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+/*
+ * 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 "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/utils/misc/Traits.h"
+#include "src/core/NEON/wrapper/wrapper.h"
+#include "src/core/helpers/WindowHelpers.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace
+{
+void sub_s16_u8_s16_impl(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window, bool is_swapped)
+{
+ // Create input windows
+ Window win = window;
+ Window input1_win = window.broadcast_if_dimension_le_one(src0->info()->tensor_shape());
+ Window input2_win = window.broadcast_if_dimension_le_one(src1->info()->tensor_shape());
+
+ // Clear X Dimension on execution window as we handle manually
+ win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ input1_win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ input2_win.set(Window::DimX, Window::Dimension(0, 1, 1));
+
+ Iterator input1(src0, input1_win);
+ Iterator input2(src1, input2_win);
+ Iterator output(dst, win);
+
+ const int window_step_x = 8;
+ const auto window_start_x = static_cast<int>(window.x().start());
+ const auto window_end_x = static_cast<int>(window.x().end());
+
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto input1_ptr = reinterpret_cast<const int16_t *>(input1.ptr());
+ const auto input2_ptr = reinterpret_cast<const uint8_t *>(input2.ptr());
+ const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr());
+
+ if(policy == ConvertPolicy::WRAP)
+ {
+ // Compute S elements per iteration
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const auto vin1 = wrapper::vloadq(input1_ptr + x);
+ const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
+ const auto res = is_swapped ? wrapper::vsub(vin2, vin1) : wrapper::vsub(vin1, vin2);
+ wrapper::vstore(output_ptr + x, res);
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ const auto res = is_swapped ? static_cast<int16_t>(*(input2_ptr + x)) - *(input1_ptr + x) : *(input1_ptr + x) - static_cast<int16_t>(*(input2_ptr + x));
+ *(output_ptr + x) = res;
+ }
+ }
+ else
+ {
+ // Compute S elements per iteration
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const auto vin1 = wrapper::vloadq(input1_ptr + x);
+ const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
+ const auto res = is_swapped ? wrapper::vqsub(vin2, vin1) : wrapper::vqsub(vin1, vin2);
+ wrapper::vstore(output_ptr + x, res);
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ const auto res = is_swapped ? wrapper::sub_sat(static_cast<int16_t>(*(input2_ptr + x)), *(input1_ptr + x)) : wrapper::sub_sat(*(input1_ptr + x), static_cast<int16_t>(*(input2_ptr + x)));
+ *(output_ptr + x) = res;
+ }
+ }
+ },
+ input1, input2, output);
+}
+}
+
+void sub_s16_u8_s16_neon(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window)
+{
+ sub_s16_u8_s16_impl(src1, src0, dst, policy, window, false);
+}
+
+void sub_u8_s16_s16_neon(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window)
+{
+ // Swap arguments
+ sub_s16_u8_s16_impl(src1, src0, dst, policy, window, true);
+}
+
+void sub_u8_u8_s16_neon(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window)
+{
+ // Create input windows
+ Window win = window;
+ Window input1_win = window.broadcast_if_dimension_le_one(src0->info()->tensor_shape());
+ Window input2_win = window.broadcast_if_dimension_le_one(src1->info()->tensor_shape());
+
+ // Clear X Dimension on execution window as we handle manually
+ win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ input1_win.set(Window::DimX, Window::Dimension(0, 1, 1));
+ input2_win.set(Window::DimX, Window::Dimension(0, 1, 1));
+
+ Iterator input1(src0, input1_win);
+ Iterator input2(src1, input2_win);
+ Iterator output(dst, win);
+
+ const int window_step_x = 8;
+ const auto window_start_x = static_cast<int>(window.x().start());
+ const auto window_end_x = static_cast<int>(window.x().end());
+
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto input1_ptr = reinterpret_cast<const uint8_t *>(input1.ptr());
+ const auto input2_ptr = reinterpret_cast<const uint8_t *>(input2.ptr());
+ const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr());
+
+ if(policy == ConvertPolicy::WRAP)
+ {
+ // Compute S elements per iteration
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const auto vin1 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input1_ptr + x)));
+ const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
+ wrapper::vstore(output_ptr + x, wrapper::vsub(vin1, vin2));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(output_ptr + x) = static_cast<int16_t>(*(input1_ptr + x)) - static_cast<int16_t>(*(input2_ptr + x));
+ }
+ }
+ else
+ {
+ // Compute S elements per iteration
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const auto vin1 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input1_ptr + x)));
+ const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
+ wrapper::vstore(output_ptr + x, wrapper::vqsub(vin1, vin2));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(output_ptr + x) = wrapper::sub_sat(static_cast<int16_t>(*(input1_ptr + x)),
+ static_cast<int16_t>(*(input2_ptr + x)));
+ }
+ }
+ },
+ input1, input2, output);
+}
+
+} // namespace cpu
+} // namespace arm_compute \ No newline at end of file
generated by cgit v1.2.1 (git 2.23.0) at 2024-05-17 20:49:21 +0000