| /* |
| * Copyright (c) 2016, 2017 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/NEON/kernels/NEArithmeticSubtractionKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/NEON/NEFixedPoint.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Validate.h" |
| |
| #include <algorithm> |
| #include <arm_neon.h> |
| #include <cstdint> |
| #include <map> |
| #include <string> |
| |
| using namespace arm_compute; |
| |
| namespace arm_compute |
| { |
| class Coordinates; |
| } // namespace arm_compute |
| |
| namespace |
| { |
| void sub_wrap_QS8_QS8_QS8(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const qint8x16_t a = vld1q_qs8(reinterpret_cast<const qint8_t *>(input1.ptr())); |
| const qint8x16_t b = vld1q_qs8(reinterpret_cast<const qint8_t *>(input2.ptr())); |
| |
| vst1q_qs8(reinterpret_cast<qint8_t *>(output.ptr()), vsubq_qs8(a, b)); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_saturate_QS8_QS8_QS8(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const qint8x16_t a = vld1q_qs8(reinterpret_cast<const qint8_t *>(input1.ptr())); |
| const qint8x16_t b = vld1q_qs8(reinterpret_cast<const qint8_t *>(input2.ptr())); |
| |
| vst1q_qs8(reinterpret_cast<qint8_t *>(output.ptr()), vqsubq_qs8(a, b)); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_wrap_U8_U8_U8(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t ta1 = vld1q_u8(input1.ptr()); |
| const uint8x16_t ta2 = vld1q_u8(input2.ptr()); |
| |
| vst1q_u8(output.ptr(), vsubq_u8(ta1, ta2)); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_saturate_U8_U8_U8(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t ta1 = vld1q_u8(input1.ptr()); |
| const uint8x16_t ta2 = vld1q_u8(input2.ptr()); |
| |
| vst1q_u8(output.ptr(), vqsubq_u8(ta1, ta2)); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_wrap_S16_S16_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int16x8x2_t ta1 = vld2q_s16(reinterpret_cast<const int16_t *>(input1.ptr())); |
| const int16x8x2_t ta2 = vld2q_s16(reinterpret_cast<const int16_t *>(input2.ptr())); |
| |
| const int16x8x2_t ta3 = |
| { |
| { |
| vsubq_s16(ta1.val[0], ta2.val[0]), |
| vsubq_s16(ta1.val[1], ta2.val[1]) |
| } |
| }; |
| |
| vst2q_s16(reinterpret_cast<int16_t *>(output.ptr()), ta3); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_saturate_S16_S16_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const int16x8x2_t ta1 = vld2q_s16(reinterpret_cast<const int16_t *>(input1.ptr())); |
| const int16x8x2_t ta2 = vld2q_s16(reinterpret_cast<const int16_t *>(input2.ptr())); |
| |
| const int16x8x2_t ta3 = |
| { |
| { |
| vqsubq_s16(ta1.val[0], ta2.val[0]), |
| vqsubq_s16(ta1.val[1], ta2.val[1]) |
| } |
| }; |
| |
| vst2q_s16(reinterpret_cast<int16_t *>(output.ptr()), ta3); |
| }, |
| input1, input2, output); |
| } |
| |
| #ifdef ARM_COMPUTE_ENABLE_FP16 |
| inline float16x8x2_t vsub2q_f16(const float16x8x2_t &a, const float16x8x2_t &b) |
| { |
| const float16x8x2_t res = |
| { |
| { |
| vsubq_f16(a.val[0], b.val[0]), |
| vsubq_f16(a.val[1], b.val[1]) |
| } |
| }; |
| |
| return res; |
| } |
| #endif /* ARM_COMPUTE_ENABLE_FP16 */ |
| |
| void sub_F16_F16_F16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| #ifdef ARM_COMPUTE_ENABLE_FP16 |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float16x8x2_t a = vld2q_f16(reinterpret_cast<const float16_t *>(input1.ptr())); |
| const float16x8x2_t b = vld2q_f16(reinterpret_cast<const float16_t *>(input2.ptr())); |
| |
| vst2q_f16(reinterpret_cast<float16_t *>(output.ptr()), vsub2q_f16(a, b)); |
| }, |
| input1, input2, output); |
| #else /* ARM_COMPUTE_ENABLE_FP16 */ |
| ARM_COMPUTE_UNUSED(in1); |
| ARM_COMPUTE_UNUSED(in2); |
| ARM_COMPUTE_UNUSED(out); |
| ARM_COMPUTE_UNUSED(window); |
| ARM_COMPUTE_ERROR("Not supported, recompile the library with arch=arm64-v8.2-a"); |
| #endif /* ARM_COMPUTE_ENABLE_FP16 */ |
| } |
| |
| void sub_F32_F32_F32(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const float32x4x4_t ta1 = vld4q_f32(reinterpret_cast<const float *>(input1.ptr())); |
| const float32x4x4_t ta2 = vld4q_f32(reinterpret_cast<const float *>(input2.ptr())); |
| |
| const float32x4x4_t ta3 = |
| { |
| { |
| vsubq_f32(ta1.val[0], ta2.val[0]), |
| vsubq_f32(ta1.val[1], ta2.val[1]), |
| vsubq_f32(ta1.val[2], ta2.val[2]), |
| vsubq_f32(ta1.val[3], ta2.val[3]), |
| } |
| }; |
| |
| vst4q_f32(reinterpret_cast<float *>(output.ptr()), ta3); |
| }, |
| input1, input2, output); |
| } |
| void sub_wrap_S16_U8_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t bv_0 = vld1q_u8(input2.ptr()); |
| int16x8_t a1_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input1.ptr())); |
| int16x8_t a2_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input1.ptr()) + 8); |
| |
| a1_0 = vsubq_s16(a1_0, vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bv_0)))); |
| a2_0 = vsubq_s16(a2_0, vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bv_0)))); |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), a1_0); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, a2_0); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_saturate_S16_U8_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t bv_0 = vld1q_u8(input2.ptr()); |
| int16x8_t a1_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input1.ptr())); |
| int16x8_t a2_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input1.ptr()) + 8); |
| |
| a1_0 = vqsubq_s16(a1_0, vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bv_0)))); |
| a2_0 = vqsubq_s16(a2_0, vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bv_0)))); |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), a1_0); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, a2_0); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_wrap_U8_S16_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t bv_0 = vld1q_u8(input1.ptr()); |
| int16x8_t a1_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input2.ptr())); |
| int16x8_t a2_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input2.ptr()) + 8); |
| |
| a1_0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bv_0))), a1_0); |
| a2_0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bv_0))), a2_0); |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), a1_0); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, a2_0); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_saturate_U8_S16_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t bv_0 = vld1q_u8(input1.ptr()); |
| int16x8_t a1_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input2.ptr())); |
| int16x8_t a2_0 = vld1q_s16(reinterpret_cast<const int16_t *>(input2.ptr()) + 8); |
| |
| a1_0 = vqsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bv_0))), a1_0); |
| a2_0 = vqsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bv_0))), a2_0); |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), a1_0); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, a2_0); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_wrap_U8_U8_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t av_0 = vld1q_u8(input1.ptr()); |
| const uint8x16_t bv_0 = vld1q_u8(input2.ptr()); |
| |
| const int16x8_t a1_0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(av_0))), |
| vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bv_0)))); |
| const int16x8_t a2_0 = vsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(av_0))), |
| vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bv_0)))); |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), a1_0); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, a2_0); |
| }, |
| input1, input2, output); |
| } |
| |
| void sub_saturate_U8_U8_S16(const ITensor *in1, const ITensor *in2, ITensor *out, const Window &window) |
| { |
| Iterator input1(in1, window); |
| Iterator input2(in2, window); |
| Iterator output(out, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8x16_t av_0 = vld1q_u8(input1.ptr()); |
| const uint8x16_t bv_0 = vld1q_u8(input2.ptr()); |
| |
| const int16x8_t a1_0 = vqsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(av_0))), |
| vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bv_0)))); |
| const int16x8_t a2_0 = vqsubq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(av_0))), |
| vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bv_0)))); |
| |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), a1_0); |
| vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, a2_0); |
| }, |
| input1, input2, output); |
| } |
| } // namespace |
| |
| NEArithmeticSubtractionKernel::NEArithmeticSubtractionKernel() |
| : _func(nullptr), _input1(nullptr), _input2(nullptr), _output(nullptr) |
| { |
| } |
| |
| void NEArithmeticSubtractionKernel::configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input1, input2, output); |
| |
| // Auto initialize output if not initialized |
| { |
| set_shape_if_empty(*output->info(), input1->info()->tensor_shape()); |
| |
| if(input1->info()->data_type() == DataType::S16 || input2->info()->data_type() == DataType::S16) |
| { |
| set_format_if_unknown(*output->info(), Format::S16); |
| } |
| else if(input1->info()->data_type() == DataType::F16 || input2->info()->data_type() == DataType::F16) |
| { |
| set_format_if_unknown(*output->info(), Format::F16); |
| } |
| else if(input1->info()->data_type() == DataType::F32 || input2->info()->data_type() == DataType::F32) |
| { |
| set_format_if_unknown(*output->info(), Format::F32); |
| } |
| } |
| |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input1, input2, output); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::QS8, DataType::U8, DataType::QS16, DataType::S16, DataType::F16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input2, 1, DataType::QS8, DataType::U8, DataType::QS16, DataType::S16, DataType::F16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::QS8, DataType::U8, DataType::QS16, DataType::S16, DataType::F16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_MSG(output->info()->data_type() == DataType::U8 && (input1->info()->data_type() != DataType::U8 || input2->info()->data_type() != DataType::U8), |
| "Output can only be U8 if both inputs are U8"); |
| if(is_data_type_fixed_point(input1->info()->data_type()) || is_data_type_fixed_point(input2->info()->data_type()) || is_data_type_fixed_point(output->info()->data_type())) |
| { |
| // Check that all data types are the same and all fixed-point positions are the same |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input1, input2, output); |
| } |
| |
| static std::map<std::string, SubFunction *> map_function = |
| { |
| { "sub_wrap_QS8_QS8_QS8", &sub_wrap_QS8_QS8_QS8 }, |
| { "sub_saturate_QS8_QS8_QS8", &sub_saturate_QS8_QS8_QS8 }, |
| { "sub_wrap_U8_U8_U8", &sub_wrap_U8_U8_U8 }, |
| { "sub_wrap_U8_U8_S16", &sub_wrap_U8_U8_S16 }, |
| { "sub_saturate_U8_U8_U8", &sub_saturate_U8_U8_U8 }, |
| { "sub_saturate_U8_U8_S16", &sub_saturate_U8_U8_S16 }, |
| { "sub_wrap_U8_S16_S16", &sub_wrap_U8_S16_S16 }, |
| { "sub_wrap_S16_U8_S16", &sub_wrap_S16_U8_S16 }, |
| { "sub_saturate_U8_S16_S16", &sub_saturate_U8_S16_S16 }, |
| { "sub_saturate_S16_U8_S16", &sub_saturate_S16_U8_S16 }, |
| { "sub_wrap_QS16_QS16_QS16", &sub_wrap_S16_S16_S16 }, |
| { "sub_saturate_QS16_QS16_QS16", &sub_saturate_S16_S16_S16 }, |
| { "sub_wrap_S16_S16_S16", &sub_wrap_S16_S16_S16 }, |
| { "sub_saturate_S16_S16_S16", &sub_saturate_S16_S16_S16 }, |
| { "sub_wrap_F32_F32_F32", &sub_F32_F32_F32 }, |
| { "sub_saturate_F32_F32_F32", &sub_F32_F32_F32 }, |
| { "sub_wrap_F16_F16_F16", &sub_F16_F16_F16 }, |
| { "sub_saturate_F16_F16_F16", &sub_F16_F16_F16 }, |
| |
| }; |
| |
| _input1 = input1; |
| _input2 = input2; |
| _output = output; |
| |
| std::string function_to_call("sub_"); |
| function_to_call += policy == ConvertPolicy::WRAP ? "wrap_" : "saturate_"; |
| function_to_call += string_from_data_type(input1->info()->data_type()) + "_"; |
| function_to_call += string_from_data_type(input2->info()->data_type()) + "_"; |
| function_to_call += string_from_data_type(output->info()->data_type()); |
| |
| auto it = map_function.find(function_to_call); |
| |
| if(it != map_function.end()) |
| { |
| _func = it->second; |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("You called subtract with the wrong image formats"); |
| } |
| |
| constexpr unsigned int num_elems_processed_per_iteration = 16; |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration)); |
| AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| |
| update_window_and_padding(win, |
| AccessWindowHorizontal(input1->info(), 0, num_elems_processed_per_iteration), |
| AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration), |
| output_access); |
| |
| ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(), |
| input2->info()->valid_region()); |
| |
| output_access.set_valid_region(win, valid_region); |
| |
| INEKernel::configure(win); |
| } |
| |
| void NEArithmeticSubtractionKernel::run(const Window &window) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON(_func == nullptr); |
| |
| (*_func)(_input1, _input2, _output, window); |
| } |