| /* |
| * Copyright (c) 2016-2020 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/NEON/kernels/NEDepthConvertLayerKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Validate.h" |
| #include "src/core/CPP/Validate.h" |
| #include "src/core/NEON/NEFixedPoint.h" |
| #include "src/core/NEON/NEMath.h" |
| #include "src/core/NEON/wrapper/wrapper.h" |
| #include "src/core/helpers/AutoConfiguration.h" |
| #include "src/core/helpers/WindowHelpers.h" |
| #include "support/SaturateCast.h" |
| |
| using namespace arm_compute; |
| |
| namespace |
| { |
| Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(output); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_BF16_UNSUPPORTED(input); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_BF16_UNSUPPORTED(output); |
| ARM_COMPUTE_UNUSED(policy); |
| ARM_COMPUTE_RETURN_ERROR_ON(input == output); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8_SIGNED, DataType::QASYMM8, DataType::U8, |
| DataType::S16, DataType::U16, DataType::BFLOAT16, DataType::F16, |
| DataType::F32, DataType::S32); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::QASYMM8_SIGNED, DataType::QASYMM8, DataType::U8, |
| DataType::S16, DataType::U16, DataType::BFLOAT16, DataType::F16, |
| DataType::U32, DataType::S32, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON(shift >= 8); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::QASYMM8_SIGNED && (output->data_type() != DataType::S16 && output->data_type() != DataType::S32 |
| && output->data_type() != DataType::F16 && output->data_type() != DataType::F32), |
| "Only data_types supported [in] QASYMM8 -> [out] U16, S16, S32, F16, F32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::QASYMM8 && (output->data_type() != DataType::S16 && output->data_type() != DataType::U16 |
| && output->data_type() != DataType::S32 && output->data_type() != DataType::F16 && output->data_type() != DataType::F32), |
| "Only data_types supported [in] QASYMM8 -> [out] U16, S16, S32, F16, F32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::U8 && (output->data_type() != DataType::S16 && output->data_type() != DataType::U16 |
| && output->data_type() != DataType::S32 && output->data_type() != DataType::F16 && output->data_type() != DataType::F32), |
| "Only data_types supported [in] U8 -> [out] U16, S16, S32, F16, F32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::U16 && (output->data_type() != DataType::U8 && output->data_type() != DataType::U32), |
| "Only data_types supported [in] U16 -> [out] U8, U32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::S16 && (output->data_type() != DataType::QASYMM8_SIGNED && output->data_type() != DataType::U8 && output->data_type() != DataType::S32), |
| "Only data_types supported [in] S16 -> [out] U8, S32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::BFLOAT16 && output->data_type() != DataType::F32, |
| "Only data_types supported [in] BFLOAT16 -> [out] F32"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::F16 && (output->data_type() != DataType::QASYMM8_SIGNED && output->data_type() != DataType::QASYMM8 |
| && output->data_type() != DataType::U8 |
| && output->data_type() != DataType::F32 && output->data_type() != DataType::S32), |
| "Only data_types supported [in] F16 -> [out] QASYMM8, F32, S32, U8"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::F32 && (output->data_type() != DataType::QASYMM8_SIGNED && output->data_type() != DataType::QASYMM8 |
| && output->data_type() != DataType::F16 && output->data_type() != DataType::BFLOAT16 |
| && output->data_type() != DataType::S32 && output->data_type() != DataType::U8), |
| "Only data_types supported [in] F32 -> [out] QASYMM8, BFLOAT16, F16, S32, U8"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->data_type() == DataType::S32 && (output->data_type() != DataType::QASYMM8_SIGNED && output->data_type() != DataType::QASYMM8 |
| && output->data_type() != DataType::F16 |
| && output->data_type() != DataType::F32 && output->data_type() != DataType::U8), |
| "Only data_types supported [in] S32 -> [out] QASYMM8, F16, F32, U8"); |
| |
| // Validate in case of configured output |
| if(output->total_size() > 0) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| } |
| |
| return Status{}; |
| } |
| } // namespace |
| |
| NEDepthConvertLayerKernel::NEDepthConvertLayerKernel() |
| : _input(nullptr), _output(nullptr), _policy(), _shift(0) |
| { |
| } |
| |
| void NEDepthConvertLayerKernel::configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| |
| // Auto initialize output shape if not initialized (We can only auto-configure the shape, datatype must be given) |
| set_shape_if_empty(*output->info(), input->info()->tensor_shape()); |
| |
| _input = input; |
| _output = output; |
| _policy = policy; |
| _shift = shift; |
| |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info(), policy, shift)); |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input->info(), Steps()); |
| Coordinates coord; |
| coord.set_num_dimensions(output->info()->num_dimensions()); |
| output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape())); |
| |
| ICPPKernel::configure(win); |
| } |
| |
| Status NEDepthConvertLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, policy, shift)); |
| return Status{}; |
| } |
| |
| void NEDepthConvertLayerKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON_NULLPTR(_input, _output); |
| ARM_COMPUTE_ERROR_ON(_input == _output); |
| |
| const auto window_start_x = static_cast<int>(window.x().start()); |
| const auto window_end_x = static_cast<int>(window.x().end()); |
| const int window_step_x = 16; |
| |
| Window win{ window }; |
| win.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| |
| Iterator input(_input, win); |
| Iterator output(_output, win); |
| |
| switch(_input->info()->data_type()) |
| { |
| case DataType::QASYMM8_SIGNED: |
| { |
| const int16x8_t b = vdupq_n_s16(_shift); |
| |
| switch(_output->info()->data_type()) |
| { |
| case DataType::S16: |
| { |
| /* Up-conversion QASYMM8_SIGNED -> S16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr()); |
| int x = window_start_x; |
| |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int8x16_t texels_s8 = vld1q_s8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vmovl_s8(vget_low_s8(texels_s8)), b), |
| vshlq_s16(vmovl_s8(vget_high_s8(texels_s8)), b) |
| } |
| }; |
| |
| vst1q_s16(output_ptr + x, texels.val[0]); |
| vst1q_s16(output_ptr + x + 8, texels.val[1]); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int16_t>(*(input_ptr + x) << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::S32: |
| { |
| /* Up-conversion QASYMM8_SIGNED -> S32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int32_t *>(output.ptr()); |
| int x = window_start_x; |
| |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int8x16_t texels_s8 = vld1q_s8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vmovl_s8(vget_low_s8(texels_s8)), b), |
| vshlq_s16(vmovl_s8(vget_high_s8(texels_s8)), b) |
| } |
| }; |
| |
| vst1q_s32(output_ptr + x, vmovl_s16(vget_low_s16(texels.val[0]))); |
| vst1q_s32(output_ptr + x + 4, vmovl_s16(vget_high_s16(texels.val[0]))); |
| vst1q_s32(output_ptr + x + 8, vmovl_s16(vget_low_s16(texels.val[1]))); |
| vst1q_s32(output_ptr + x + 12, vmovl_s16(vget_high_s16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int32_t>(*(input_ptr + x) << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::F32: |
| { |
| /* Up-conversion QASYMM8_SIGNED -> F32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int8x16_t texels_s8 = vld1q_s8(reinterpret_cast<int8_t *>(input.ptr())); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vmovl_s8(vget_low_s8(texels_s8)), b), |
| vshlq_s16(vmovl_s8(vget_high_s8(texels_s8)), b) |
| } |
| }; |
| vst1q_f32(output_ptr + x, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[0])))); |
| vst1q_f32(output_ptr + x + 4, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[0])))); |
| vst1q_f32(output_ptr + x + 8, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[1])))); |
| vst1q_f32(output_ptr + x + 12, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[1])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float>(*(input_ptr + x) << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| { |
| /* Up-conversion QASYMM8_SIGNED -> F16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float16_t *>(output.ptr()); |
| int x = window_start_x; |
| |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int8x16_t texels_s8 = vld1q_s8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vmovl_s8(vget_low_s8(texels_s8)), b), |
| vshlq_s16(vmovl_s8(vget_high_s8(texels_s8)), b) |
| } |
| }; |
| vst1q_f16(output_ptr + x, vcvtq_f16_s16(texels.val[0])); |
| vst1q_f16(output_ptr + x + 8, vcvtq_f16_s16(texels.val[1])); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float16_t>(*(input_ptr + x) << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| |
| case DataType::QASYMM8: |
| case DataType::U8: |
| { |
| const int16x8_t b = vdupq_n_s16(_shift); |
| |
| switch(_output->info()->data_type()) |
| { |
| case DataType::S16: |
| { |
| /* Up-conversion U8 -> S16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b), |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b) |
| } |
| }; |
| |
| vst1q_s16(output_ptr + x, texels.val[0]); |
| vst1q_s16(output_ptr + x + 8, texels.val[1]); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| auto in = static_cast<int32_t>(*(input_ptr + x)); |
| *(output_ptr + x) = in << _shift; |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::S32: |
| { |
| /* Up-conversion U8 -> S32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int32_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b), |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b) |
| } |
| }; |
| |
| vst1q_s32(output_ptr + x, vmovl_s16(vget_low_s16(texels.val[0]))); |
| vst1q_s32(output_ptr + x + 4, vmovl_s16(vget_high_s16(texels.val[0]))); |
| vst1q_s32(output_ptr + x + 8, vmovl_s16(vget_low_s16(texels.val[1]))); |
| vst1q_s32(output_ptr + x + 12, vmovl_s16(vget_high_s16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| auto in = static_cast<uint32_t>(*(input_ptr + x)); |
| *(output_ptr + x) = in << _shift; |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::F32: |
| { |
| /* Up-conversion U8 -> F32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b), |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b) |
| } |
| }; |
| vst1q_f32(output_ptr + x, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[0])))); |
| vst1q_f32(output_ptr + x + 4, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[0])))); |
| vst1q_f32(output_ptr + x + 8, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[1])))); |
| vst1q_f32(output_ptr + x + 12, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[1])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| auto in = static_cast<uint32_t>(*(input_ptr + x)); |
| *(output_ptr + x) = static_cast<float>(in << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| { |
| /* Up-conversion U8 -> F16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float16_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input_ptr + x); |
| |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b), |
| vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b) |
| } |
| }; |
| vst1q_f16(output_ptr + x, vcvtq_f16_s16(texels.val[0])); |
| vst1q_f16(output_ptr + x + 8, vcvtq_f16_s16(texels.val[1])); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float16_t>(*(input_ptr + x) << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::U16: |
| { |
| /* Up-conversion U8 -> U16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint8_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint16_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint8x16_t texels_u8 = vld1q_u8(input_ptr + x); |
| |
| const uint16x8x2_t texels = |
| { |
| { |
| vshlq_u16(vmovl_u8(vget_low_u8(texels_u8)), b), |
| vshlq_u16(vmovl_u8(vget_high_u8(texels_u8)), b) |
| } |
| }; |
| |
| vst1q_u16(output_ptr + x, texels.val[0]); |
| vst1q_u16(output_ptr + x + 8, texels.val[1]); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<uint16_t>(*(input_ptr + x)) << _shift; |
| } |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::S16: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QASYMM8_SIGNED: |
| { |
| const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift)); |
| |
| /* Down-conversion S16 -> QASYMM8_SIGNED */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vqshlq_s16(vld1q_s16(input_ptr + x), b), |
| vqshlq_s16(vld1q_s16(input_ptr + x + 8), b) |
| } |
| }; |
| |
| vst1q_s8(output_ptr + x, vcombine_s8(vqmovn_s16(texels.val[0]), vqmovn_s16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<int8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vld1q_s16(input_ptr + x), b), |
| vshlq_s16(vld1q_s16(input_ptr + x + 8), b) |
| } |
| }; |
| |
| vst1q_s8(output_ptr + x, vcombine_s8(vmovn_s16(texels.val[0]), vmovn_s16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::U8: |
| { |
| const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift)); |
| |
| /* Down-conversion S16 -> U8 */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vqshlq_s16(vld1q_s16(input_ptr + x), b), |
| vqshlq_s16(vld1q_s16(input_ptr + x + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output_ptr + x, vcombine_u8(vqmovun_s16(texels.val[0]), vqmovun_s16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vshlq_s16(vld1q_s16(input_ptr + x), b), |
| vshlq_s16(vld1q_s16(input_ptr + x + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output_ptr + x, vcombine_u8(vmovn_u16(vreinterpretq_u16_s16(texels.val[0])), |
| vmovn_u16(vreinterpretq_u16_s16(texels.val[1])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<uint8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::S32: |
| { |
| const int32x4_t b = vdupq_n_s32(_shift); |
| |
| /* Up-conversion S16 -> S32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int32_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int16x8x2_t texels = |
| { |
| { |
| vld1q_s16(input_ptr + x), |
| vld1q_s16(input_ptr + x + 8) |
| } |
| }; |
| |
| const int32x4x4_t texels_s32 = |
| { |
| { |
| vshlq_s32(vmovl_s16(vget_low_s16(texels.val[0])), b), |
| vshlq_s32(vmovl_s16(vget_high_s16(texels.val[0])), b), |
| vshlq_s32(vmovl_s16(vget_low_s16(texels.val[1])), b), |
| vshlq_s32(vmovl_s16(vget_high_s16(texels.val[1])), b) |
| } |
| }; |
| |
| vst1q_s32(output_ptr + x, texels_s32.val[0]); |
| vst1q_s32(output_ptr + x + 4, texels_s32.val[1]); |
| vst1q_s32(output_ptr + x + 8, texels_s32.val[2]); |
| vst1q_s32(output_ptr + x + 12, texels_s32.val[3]); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int32_t>(*(input_ptr + x) << _shift); |
| } |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| case DataType::U16: |
| { |
| switch(_output->info()->data_type()) |
| { |
| case DataType::U8: |
| { |
| const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift)); |
| |
| /* Down-conversion U16 -> U8 */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vqshlq_u16(vld1q_u16(input_ptr + x), b), |
| vqshlq_u16(vld1q_u16(input_ptr + x + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output_ptr + x, vcombine_u8(vqmovn_u16(texels.val[0]), vqmovn_u16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vshlq_u16(vld1q_u16(input_ptr + x), b), |
| vshlq_u16(vld1q_u16(input_ptr + x + 8), b) |
| } |
| }; |
| |
| vst1q_u8(output_ptr + x, vcombine_u8(vmovn_u16(texels.val[0]), vmovn_u16(texels.val[1]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<uint8_t>(*(input_ptr + x) >> _shift); |
| } |
| |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::U32: |
| { |
| const int32x4_t b = vdupq_n_s32(_shift); |
| |
| /* Up-conversion U16 -> U32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const uint16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint32_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vld1q_u16(input_ptr + x), |
| vld1q_u16(input_ptr + x + 8) |
| } |
| }; |
| |
| vst1q_u32(output_ptr + x, vshlq_u32(vmovl_u16(vget_low_u16(texels.val[0])), b)); |
| vst1q_u32(output_ptr + x + 4, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[0])), b)); |
| vst1q_u32(output_ptr + x + 8, vshlq_u32(vmovl_u16(vget_low_u16(texels.val[1])), b)); |
| vst1q_u32(output_ptr + x + 12, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[1])), b)); |
| } |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<uint32_t>(*(input_ptr + x) << _shift); |
| } |
| |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| } |
| #if defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) |
| case DataType::BFLOAT16: |
| switch(_output->info()->data_type()) |
| { |
| case DataType::F32: |
| { |
| /* Up-conversion BFLOAT16 -> F32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const bfloat16 *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint16x8x2_t texels = |
| { |
| { |
| vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())), |
| vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8) |
| } |
| }; |
| |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()), |
| vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_low_u16(texels.val[0])), 16))); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 4, |
| vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_high_u16(texels.val[0])), 16))); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 8, |
| vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_low_u16(texels.val[1])), 16))); |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 12, |
| vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_high_u16(texels.val[1])), 16))); |
| } |
| |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = float(*(input_ptr + x)); |
| } |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type unsupported"); |
| } |
| break; |
| #endif /* defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) */ |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| switch(_output->info()->data_type()) |
| { |
| case DataType::QASYMM8_SIGNED: |
| { |
| const float16_t scale_s = 1 << _shift; |
| const float16x8_t scale = vdupq_n_f16(scale_s); |
| |
| /* Down-conversion F16 -> QASYMM8_SIGNED (Always saturating) */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float16x8x2_t texels = |
| { |
| { |
| vmulq_f16(vld1q_f16(input_ptr + x), scale), |
| vmulq_f16(vld1q_f16(input_ptr + x + 8), scale), |
| } |
| }; |
| |
| vst1q_s8(output_ptr + x, vcombine_s8(vqmovn_s16(vcvtq_s16_f16(texels.val[0])), vqmovn_s16(vcvtq_s16_f16(texels.val[1])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<int8_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::QASYMM8: |
| case DataType::U8: |
| { |
| const float16_t scale_s = 1 << _shift; |
| const float16x8_t scale = vdupq_n_f16(scale_s); |
| |
| /* Down-conversion F16 -> QASYMM8/U8 (Always saturating) */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float16x8x2_t texels = |
| { |
| { |
| vmulq_f16(vld1q_f16(input_ptr + x), scale), |
| vmulq_f16(vld1q_f16(input_ptr + x + 8), scale), |
| } |
| }; |
| |
| vst1q_u8(output_ptr + x, vcombine_u8(vqmovun_s16(vcvtq_s16_f16(texels.val[0])), vqmovun_s16(vcvtq_s16_f16(texels.val[1])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(input_ptr + x) * scale_s); |
| } |
| |
| }, |
| input, output); |
| break; |
| } |
| case DataType::F32: |
| { |
| const float scale_s = 1 << _shift; |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Up-conversion F16 -> F32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float16x8x2_t texels = |
| { |
| { |
| vld1q_f16(input_ptr + x), |
| vld1q_f16(input_ptr + x + 8) |
| } |
| }; |
| vst1q_f32(output_ptr + x, vmulq_f32(vcvt_f32_f16(vget_low_f16(texels.val[0])), scale)); |
| vst1q_f32(output_ptr + x + 4, vmulq_f32(vcvt_f32_f16(vget_high_f16(texels.val[0])), scale)); |
| vst1q_f32(output_ptr + x + 8, vmulq_f32(vcvt_f32_f16(vget_low_f16(texels.val[1])), scale)); |
| vst1q_f32(output_ptr + x + 12, vmulq_f32(vcvt_f32_f16(vget_high_f16(texels.val[1])), scale)); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::S32: |
| { |
| const float scale_s = 1 << _shift; |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Up-conversion F16 -> S32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float16_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int32_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float16x8x2_t texels = |
| { |
| { |
| vld1q_f16(input_ptr + x), |
| vld1q_f16(input_ptr + x + 8) |
| } |
| }; |
| |
| vst1q_s32(output_ptr + x, vcvtq_s32_f32(vmulq_f32(vcvt_f32_f16(vget_low_f16(texels.val[0])), scale))); |
| vst1q_s32(output_ptr + x + 4, vcvtq_s32_f32(vmulq_f32(vcvt_f32_f16(vget_high_f16(texels.val[0])), scale))); |
| vst1q_s32(output_ptr + x + 8, vcvtq_s32_f32(vmulq_f32(vcvt_f32_f16(vget_low_f16(texels.val[1])), scale))); |
| vst1q_s32(output_ptr + x + 12, vcvtq_s32_f32(vmulq_f32(vcvt_f32_f16(vget_high_f16(texels.val[1])), scale))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int32_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| case DataType::F32: |
| switch(_output->info()->data_type()) |
| { |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| { |
| const float scale_s = 1.f / (1 << _shift); |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Down-conversion F32 -> F16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float16_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vld1q_f32(input_ptr + x), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 4), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 8), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 12), scale) |
| } |
| }; |
| |
| vst1q_f16(output_ptr + x, vcombine_f16(vcvt_f16_f32(texels.val[0]), vcvt_f16_f32(texels.val[1]))); |
| vst1q_f16(output_ptr + x + 8, vcombine_f16(vcvt_f16_f32(texels.val[2]), vcvt_f16_f32(texels.val[3]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float16_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| #if defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) |
| case DataType::BFLOAT16: |
| { |
| /* Down-conversion F32 -> BFLOAT16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<bfloat16 *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| wrapper::vcvt_bf16_f32(reinterpret_cast<float *>(input.ptr()), |
| reinterpret_cast<uint16_t *>(output.ptr())); |
| wrapper::vcvt_bf16_f32(reinterpret_cast<float *>(input.ptr()) + 8, |
| reinterpret_cast<uint16_t *>(output.ptr()) + 8); |
| } |
| |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = *(input_ptr + x); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #endif /* defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) */ |
| case DataType::S32: |
| { |
| const float scale_s = 1.f / (1 << _shift); |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Conversion F32 -> S32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int32_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vld1q_f32(input_ptr + x), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 4), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 8), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 12), scale), |
| } |
| }; |
| |
| vst1q_s32(output_ptr + x, vcvtq_s32_f32(texels.val[0])); |
| vst1q_s32(output_ptr + x + 4, vcvtq_s32_f32(texels.val[1])); |
| vst1q_s32(output_ptr + x + 8, vcvtq_s32_f32(texels.val[2])); |
| vst1q_s32(output_ptr + x + 12, vcvtq_s32_f32(texels.val[3])); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int32_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::QASYMM8: |
| case DataType::U8: |
| { |
| const float scale_s = 1.f / (1 << _shift); |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Down-conversion F32 -> U8 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vld1q_f32(input_ptr + x), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 4), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 8), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 12), scale), |
| } |
| }; |
| |
| vst1_u8(output_ptr + x, vqmovn_u16(vcombine_u16(vqmovun_s32(vcvtq_s32_f32(texels.val[0])), vqmovun_s32(vcvtq_s32_f32(texels.val[1]))))); |
| vst1_u8(output_ptr + x + 8, vqmovn_u16(vcombine_u16(vqmovun_s32(vcvtq_s32_f32(texels.val[2])), vqmovun_s32(vcvtq_s32_f32(texels.val[3]))))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::QASYMM8_SIGNED: |
| { |
| const float scale_s = 1.f / (1 << _shift); |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Down-conversion F32 -> QASYMM8_SIGNED */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vld1q_f32(input_ptr + x), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 4), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 8), scale), |
| vmulq_f32(vld1q_f32(input_ptr + x + 12), scale), |
| } |
| }; |
| |
| vst1_s8(output_ptr + x, vqmovn_s16(vcombine_s16(vqmovn_s32(vcvtq_s32_f32(texels.val[0])), vqmovn_s32(vcvtq_s32_f32(texels.val[1]))))); |
| vst1_s8(output_ptr + x + 8, vqmovn_s16(vcombine_s16(vqmovn_s32(vcvtq_s32_f32(texels.val[2])), vqmovn_s32(vcvtq_s32_f32(texels.val[3]))))); |
| } |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<int8_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| |
| case DataType::S32: |
| switch(_output->info()->data_type()) |
| { |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| { |
| const float scale_s = 1.f / (1 << _shift); |
| const float32x4_t scale = vdupq_n_f32(scale_s); |
| |
| /* Down-conversion S32 -> F16 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int32_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float16_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const float32x4x4_t texels = |
| { |
| { |
| vmulq_f32(vcvtq_f32_s32(vld1q_s32(input_ptr + x)), scale), |
| vmulq_f32(vcvtq_f32_s32(vld1q_s32(input_ptr + x + 4)), scale), |
| vmulq_f32(vcvtq_f32_s32(vld1q_s32(input_ptr + x + 8)), scale), |
| vmulq_f32(vcvtq_f32_s32(vld1q_s32(input_ptr + x + 12)), scale) |
| } |
| }; |
| |
| vst1q_f16(output_ptr + x, vcombine_f16(vcvt_f16_f32(texels.val[0]), vcvt_f16_f32(texels.val[1]))); |
| vst1q_f16(output_ptr + x + 8, vcombine_f16(vcvt_f16_f32(texels.val[2]), vcvt_f16_f32(texels.val[3]))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float16_t>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| case DataType::F32: |
| { |
| const int scale_s = 1.f / (1 << _shift); |
| const int32x4_t scale = vdupq_n_s32(scale_s); |
| |
| /* Conversion S32 -> F32 */ |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int32_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int32x4x4_t texels = |
| { |
| { |
| vmulq_s32(vld1q_s32(input_ptr + x), scale), |
| vmulq_s32(vld1q_s32(input_ptr + x + 4), scale), |
| vmulq_s32(vld1q_s32(input_ptr + x + 8), scale), |
| vmulq_s32(vld1q_s32(input_ptr + x + 12), scale), |
| } |
| }; |
| |
| vst1q_f32(output_ptr + x, vcvtq_f32_s32(texels.val[0])); |
| vst1q_f32(output_ptr + x + 4, vcvtq_f32_s32(texels.val[1])); |
| vst1q_f32(output_ptr + x + 8, vcvtq_f32_s32(texels.val[2])); |
| vst1q_f32(output_ptr + x + 12, vcvtq_f32_s32(texels.val[3])); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<float>(*(input_ptr + x) * scale_s); |
| } |
| }, |
| input, output); |
| break; |
| } |
| case DataType::QASYMM8_SIGNED: |
| { |
| const int32x4_t b = vdupq_n_s32(-static_cast<int32_t>(_shift)); |
| |
| /* Down-conversion S32 -> QASYMM8_SIGNED */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int32_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int32x4x4_t texels = |
| { |
| { |
| vqshlq_s32(vld1q_s32(input_ptr + x), b), |
| vqshlq_s32(vld1q_s32(input_ptr + x + 4), b), |
| vqshlq_s32(vld1q_s32(input_ptr + x + 8), b), |
| vqshlq_s32(vld1q_s32(input_ptr + x + 12), b) |
| } |
| }; |
| vst1_s8(output_ptr + x, vqmovn_s16(vcombine_s16(vqmovn_s32(texels.val[0]), vqmovn_s32(texels.val[1])))); |
| vst1_s8(output_ptr + x + 8, vqmovn_s16(vcombine_s16(vqmovn_s32(texels.val[2]), vqmovn_s32(texels.val[3])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<int8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int32_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int32x4x4_t texels = |
| { |
| { |
| vshlq_s32(vld1q_s32(input_ptr + x), b), |
| vshlq_s32(vld1q_s32(input_ptr + x + 4), b), |
| vshlq_s32(vld1q_s32(input_ptr + x + 8), b), |
| vshlq_s32(vld1q_s32(input_ptr + x + 12), b) |
| } |
| }; |
| |
| vst1_s8(output_ptr + x, vmovn_s16(vcombine_s16(vmovn_s32(texels.val[0]), vmovn_s32(texels.val[1])))); |
| vst1_s8(output_ptr + x + 8, vmovn_s16(vcombine_s16(vmovn_s32(texels.val[2]), vmovn_s32(texels.val[3])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<int8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| break; |
| } |
| case DataType::QASYMM8: |
| case DataType::U8: |
| { |
| const int32x4_t b = vdupq_n_s32(-static_cast<int32_t>(_shift)); |
| |
| /* Down-conversion S32 -> U8 */ |
| if(ConvertPolicy::SATURATE == _policy) |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int32_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int32x4x4_t texels = |
| { |
| { |
| vqshlq_s32(vld1q_s32(input_ptr + x), b), |
| vqshlq_s32(vld1q_s32(input_ptr + x + 4), b), |
| vqshlq_s32(vld1q_s32(input_ptr + x + 8), b), |
| vqshlq_s32(vld1q_s32(input_ptr + x + 12), b) |
| } |
| }; |
| vst1_u8(output_ptr + x, vqmovn_u16(vcombine_u16(vqmovun_s32(texels.val[0]), vqmovun_s32(texels.val[1])))); |
| vst1_u8(output_ptr + x + 8, vqmovn_u16(vcombine_u16(vqmovun_s32(texels.val[2]), vqmovun_s32(texels.val[3])))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| else |
| { |
| execute_window_loop(win, [&](const Coordinates &) |
| { |
| const auto input_ptr = reinterpret_cast<const int32_t *>(input.ptr()); |
| const auto output_ptr = reinterpret_cast<uint8_t *>(output.ptr()); |
| |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const int32x4x4_t texels = |
| { |
| { |
| vshlq_s32(vld1q_s32(input_ptr + x), b), |
| vshlq_s32(vld1q_s32(input_ptr + x + 4), b), |
| vshlq_s32(vld1q_s32(input_ptr + x + 8), b), |
| vshlq_s32(vld1q_s32(input_ptr + x + 12), b) |
| } |
| }; |
| |
| vst1_u8(output_ptr + x, vmovn_u16(vcombine_u16(vmovn_u32(vreinterpretq_u32_s32(texels.val[0])), vmovn_u32(vreinterpretq_u32_s32(texels.val[1]))))); |
| vst1_u8(output_ptr + x + 8, vmovn_u16(vcombine_u16(vmovn_u32(vreinterpretq_u32_s32(texels.val[2])), vmovn_u32(vreinterpretq_u32_s32(texels.val[3]))))); |
| } |
| |
| // Compute left-over elements |
| for(; x < window_end_x; ++x) |
| { |
| *(output_ptr + x) = static_cast<uint8_t>(*(input_ptr + x) >> _shift); |
| } |
| }, |
| input, output); |
| } |
| break; |
| } |
| default: |
| ARM_COMPUTE_ERROR("Output data type not supported"); |
| } |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| } |
| } |