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Diffstat (limited to 'src/cpu/kernels/CpuGemmLowpQuantizeDownInt32ScaleKernel.cpp')
-rw-r--r--src/cpu/kernels/CpuGemmLowpQuantizeDownInt32ScaleKernel.cpp247
1 files changed, 129 insertions, 118 deletions
diff --git a/src/cpu/kernels/CpuGemmLowpQuantizeDownInt32ScaleKernel.cpp b/src/cpu/kernels/CpuGemmLowpQuantizeDownInt32ScaleKernel.cpp
index 3023d93113..eefc294700 100644
--- a/src/cpu/kernels/CpuGemmLowpQuantizeDownInt32ScaleKernel.cpp
+++ b/src/cpu/kernels/CpuGemmLowpQuantizeDownInt32ScaleKernel.cpp
@@ -28,13 +28,14 @@
#include "arm_compute/core/ITensor.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/core/Utils.h"
+#include "arm_compute/core/utils/quantization/AsymmHelpers.h"
#include "arm_compute/core/Validate.h"
#include "arm_compute/core/Window.h"
-#include "arm_compute/core/utils/quantization/AsymmHelpers.h"
+
#include "src/core/AccessWindowStatic.h"
-#include "src/core/NEON/wrapper/wrapper.h"
#include "src/core/helpers/AutoConfiguration.h"
#include "src/core/helpers/WindowHelpers.h"
+#include "src/core/NEON/wrapper/wrapper.h"
#include <arm_neon.h>
@@ -46,26 +47,35 @@ namespace kernels
{
namespace
{
-Status validate_arguments(const ITensorInfo *src, const ITensorInfo *bias, const ITensorInfo *dst, const GEMMLowpOutputStageInfo *output_stage)
+Status validate_arguments(const ITensorInfo *src,
+ const ITensorInfo *bias,
+ const ITensorInfo *dst,
+ const GEMMLowpOutputStageInfo *output_stage)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::S32);
- ARM_COMPUTE_RETURN_ERROR_ON(output_stage->gemmlowp_max_bound > std::get<1>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type)));
- ARM_COMPUTE_RETURN_ERROR_ON(output_stage->gemmlowp_min_bound < std::get<0>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type))
- || output_stage->gemmlowp_min_bound > output_stage->gemmlowp_max_bound);
+ ARM_COMPUTE_RETURN_ERROR_ON(
+ output_stage->gemmlowp_max_bound >
+ std::get<1>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type)));
+ ARM_COMPUTE_RETURN_ERROR_ON(
+ output_stage->gemmlowp_min_bound <
+ std::get<0>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type)) ||
+ output_stage->gemmlowp_min_bound > output_stage->gemmlowp_max_bound);
// Check biases if exist
- if(bias != nullptr)
+ if (bias != nullptr)
{
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, bias);
ARM_COMPUTE_RETURN_ERROR_ON(bias->num_dimensions() > 1);
ARM_COMPUTE_RETURN_ERROR_ON(src->dimension(0) != bias->dimension(0));
}
- if(dst->total_size() != 0)
+ if (dst->total_size() != 0)
{
- if(dst->data_type() != output_stage->output_data_type && (output_stage->output_data_type == DataType::QASYMM8 || output_stage->output_data_type == DataType::QASYMM8_SIGNED))
+ if (dst->data_type() != output_stage->output_data_type &&
+ (output_stage->output_data_type == DataType::QASYMM8 ||
+ output_stage->output_data_type == DataType::QASYMM8_SIGNED))
{
ARM_COMPUTE_RETURN_ERROR_MSG("Mismatching data types");
}
@@ -92,24 +102,26 @@ inline void scale_input(int32x4x4_t &in_s32, int32x4_t result_offset_s32, int32_
}
template <typename T>
-inline typename std::enable_if<std::is_same<T, uint8_t>::value,
- typename wrapper::traits::neon_vector<T, 16>::type>::type
- convert_to_8bit(const int16x8x2_t in_s16)
+inline
+ typename std::enable_if<std::is_same<T, uint8_t>::value, typename wrapper::traits::neon_vector<T, 16>::type>::type
+ convert_to_8bit(const int16x8x2_t in_s16)
{
return wrapper::vcombine(wrapper::vqmovun(in_s16.val[0]), wrapper::vqmovun(in_s16.val[1]));
}
template <typename T>
-inline typename std::enable_if<std::is_same<T, int8_t>::value,
- typename wrapper::traits::neon_vector<T, 16>::type>::type
- convert_to_8bit(const int16x8x2_t in_s16)
+inline typename std::enable_if<std::is_same<T, int8_t>::value, typename wrapper::traits::neon_vector<T, 16>::type>::type
+convert_to_8bit(const int16x8x2_t in_s16)
{
return wrapper::vcombine(wrapper::vqmovn(in_s16.val[0]), wrapper::vqmovn(in_s16.val[1]));
}
template <typename T>
-inline typename wrapper::traits::neon_vector<T, 16>::type finalize_quantization(int32x4x4_t &in_s32, int32x4_t result_shift_s32, typename wrapper::traits::neon_vector<T, 16>::type min,
- typename wrapper::traits::neon_vector<T, 16>::type max)
+inline typename wrapper::traits::neon_vector<T, 16>::type
+finalize_quantization(int32x4x4_t &in_s32,
+ int32x4_t result_shift_s32,
+ typename wrapper::traits::neon_vector<T, 16>::type min,
+ typename wrapper::traits::neon_vector<T, 16>::type max)
{
// Shift final result (negative value shift right)
in_s32.val[0] = vshlq_s32(in_s32.val[0], result_shift_s32);
@@ -118,13 +130,8 @@ inline typename wrapper::traits::neon_vector<T, 16>::type finalize_quantization(
in_s32.val[3] = vshlq_s32(in_s32.val[3], result_shift_s32);
// Convert S32 to S16
- const int16x8x2_t in_s16 =
- {
- {
- vcombine_s16(vqmovn_s32(in_s32.val[0]), vqmovn_s32(in_s32.val[1])),
- vcombine_s16(vqmovn_s32(in_s32.val[2]), vqmovn_s32(in_s32.val[3]))
- }
- };
+ const int16x8x2_t in_s16 = {{vcombine_s16(vqmovn_s32(in_s32.val[0]), vqmovn_s32(in_s32.val[1])),
+ vcombine_s16(vqmovn_s32(in_s32.val[2]), vqmovn_s32(in_s32.val[3]))}};
// Convert S16 to S8 or U8
typename wrapper::traits::neon_vector<T, 16>::type out = convert_to_8bit<T>(in_s16);
@@ -137,7 +144,10 @@ inline typename wrapper::traits::neon_vector<T, 16>::type finalize_quantization(
} // namespace
template <typename T>
-void CpuGemmLowpQuantizeDownInt32ScaleKernel::run_internal(const ITensor *src, const ITensor *bias, ITensor *dst, const Window &window)
+void CpuGemmLowpQuantizeDownInt32ScaleKernel::run_internal(const ITensor *src,
+ const ITensor *bias,
+ ITensor *dst,
+ const Window &window)
{
using VectorType = typename wrapper::traits::neon_vector<T, 16>::type;
@@ -159,107 +169,105 @@ void CpuGemmLowpQuantizeDownInt32ScaleKernel::run_internal(const ITensor *src, c
Iterator in(src, win);
Iterator out(dst, win);
- if(bias != nullptr)
+ if (bias != nullptr)
{
Window win_biases;
win_biases.set(Window::DimX, Window::Dimension(0, 1, 1));
win_biases.set(Window::DimY, Window::Dimension(0, 1, 1));
Iterator bias_i(bias, win_biases);
- execute_window_loop(win, [&](const Coordinates &)
- {
- // Compute 16 elements per iteration
- int x = window_start_x;
- for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ execute_window_loop(
+ win,
+ [&](const Coordinates &)
{
- int32x4x4_t in_s32 =
+ // Compute 16 elements per iteration
+ int x = window_start_x;
+ for (; x <= (window_end_x - window_step_x); x += window_step_x)
{
- {
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 0),
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 4),
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 8),
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 12)
- }
- };
-
- const int32x4x4_t bias_s32 =
+ int32x4x4_t in_s32 = {{vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 0),
+ vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 4),
+ vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 8),
+ vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 12)}};
+
+ const int32x4x4_t bias_s32 = {
+ {vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 0),
+ vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 4),
+ vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 8),
+ vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 12)}};
+
+ // Add the bias to GEMM's result
+ in_s32.val[0] = vaddq_s32(in_s32.val[0], bias_s32.val[0]);
+ in_s32.val[1] = vaddq_s32(in_s32.val[1], bias_s32.val[1]);
+ in_s32.val[2] = vaddq_s32(in_s32.val[2], bias_s32.val[2]);
+ in_s32.val[3] = vaddq_s32(in_s32.val[3], bias_s32.val[3]);
+
+ // Add the offset terms to GEMM's result and multiply by result_mult_int
+ scale_input(in_s32, result_offset_s32, _output_stage->gemmlowp_multiplier);
+
+ wrapper::vstore(reinterpret_cast<T *>(out.ptr() + x),
+ finalize_quantization<T>(in_s32, result_shift_s32, min, max));
+ }
+
+ // Compute left-over elements
+ for (; x < window_end_x; ++x)
{
- {
- vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 0),
- vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 4),
- vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 8),
- vld1q_s32(reinterpret_cast<const int32_t *>(bias_i.ptr()) + x + 12)
- }
- };
-
- // Add the bias to GEMM's result
- in_s32.val[0] = vaddq_s32(in_s32.val[0], bias_s32.val[0]);
- in_s32.val[1] = vaddq_s32(in_s32.val[1], bias_s32.val[1]);
- in_s32.val[2] = vaddq_s32(in_s32.val[2], bias_s32.val[2]);
- in_s32.val[3] = vaddq_s32(in_s32.val[3], bias_s32.val[3]);
-
- // Add the offset terms to GEMM's result and multiply by result_mult_int
- scale_input(in_s32, result_offset_s32, _output_stage->gemmlowp_multiplier);
-
- wrapper::vstore(reinterpret_cast<T *>(out.ptr() + x), finalize_quantization<T>(in_s32, result_shift_s32, min, max));
- }
-
- // Compute left-over elements
- for(; x < window_end_x; ++x)
- {
- const int bias_value = *(reinterpret_cast<const int *>(bias_i.ptr()) + x);
- int in_value = *(reinterpret_cast<const int *>(in.ptr()) + x);
-
- // Quantize
- in_value = ((in_value + bias_value + _output_stage->gemmlowp_offset) * _output_stage->gemmlowp_multiplier) >> _output_stage->gemmlowp_shift;
-
- // Store the result
- *(out.ptr() + x) = static_cast<T>(utility::clamp<int>(in_value, clamp_min, clamp_max));
- }
- },
- in, bias_i, out);
+ const int bias_value = *(reinterpret_cast<const int *>(bias_i.ptr()) + x);
+ int in_value = *(reinterpret_cast<const int *>(in.ptr()) + x);
+
+ // Quantize
+ in_value = ((in_value + bias_value + _output_stage->gemmlowp_offset) *
+ _output_stage->gemmlowp_multiplier) >>
+ _output_stage->gemmlowp_shift;
+
+ // Store the result
+ *(out.ptr() + x) = static_cast<T>(utility::clamp<int>(in_value, clamp_min, clamp_max));
+ }
+ },
+ in, bias_i, out);
}
else
{
- execute_window_loop(win, [&](const Coordinates &)
- {
- // Compute 16 elements per iteration
- int x = window_start_x;
- for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ execute_window_loop(
+ win,
+ [&](const Coordinates &)
{
- int32x4x4_t in_s32 =
+ // Compute 16 elements per iteration
+ int x = window_start_x;
+ for (; x <= (window_end_x - window_step_x); x += window_step_x)
{
- {
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 0),
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 4),
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 8),
- vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 12)
- }
- };
-
- // Add the offset terms to GEMM's result and multiply by result_mult_int
- scale_input(in_s32, result_offset_s32, _output_stage->gemmlowp_multiplier);
-
- wrapper::vstore(reinterpret_cast<T *>(out.ptr() + x), finalize_quantization<T>(in_s32, result_shift_s32, min, max));
- }
-
- // Compute left-over elements
- for(; x < window_end_x; ++x)
- {
- int in_value = *(reinterpret_cast<const int *>(in.ptr()) + x);
+ int32x4x4_t in_s32 = {{vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 0),
+ vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 4),
+ vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 8),
+ vld1q_s32(reinterpret_cast<const int32_t *>(in.ptr()) + x + 12)}};
+
+ // Add the offset terms to GEMM's result and multiply by result_mult_int
+ scale_input(in_s32, result_offset_s32, _output_stage->gemmlowp_multiplier);
+
+ wrapper::vstore(reinterpret_cast<T *>(out.ptr() + x),
+ finalize_quantization<T>(in_s32, result_shift_s32, min, max));
+ }
+
+ // Compute left-over elements
+ for (; x < window_end_x; ++x)
+ {
+ int in_value = *(reinterpret_cast<const int *>(in.ptr()) + x);
- // Quantize
- in_value = ((in_value + _output_stage->gemmlowp_offset) * _output_stage->gemmlowp_multiplier) >> _output_stage->gemmlowp_shift;
+ // Quantize
+ in_value = ((in_value + _output_stage->gemmlowp_offset) * _output_stage->gemmlowp_multiplier) >>
+ _output_stage->gemmlowp_shift;
- // Store the result
- *(out.ptr() + x) = static_cast<T>(utility::clamp<int>(in_value, clamp_min, clamp_max));
- }
- },
- in, out);
+ // Store the result
+ *(out.ptr() + x) = static_cast<T>(utility::clamp<int>(in_value, clamp_min, clamp_max));
+ }
+ },
+ in, out);
}
}
-void CpuGemmLowpQuantizeDownInt32ScaleKernel::configure(ITensorInfo *src, ITensorInfo *bias, ITensorInfo *dst, const GEMMLowpOutputStageInfo *output_stage)
+void CpuGemmLowpQuantizeDownInt32ScaleKernel::configure(ITensorInfo *src,
+ ITensorInfo *bias,
+ ITensorInfo *dst,
+ const GEMMLowpOutputStageInfo *output_stage)
{
ARM_COMPUTE_UNUSED(bias);
// Perform validate step
@@ -268,10 +276,7 @@ void CpuGemmLowpQuantizeDownInt32ScaleKernel::configure(ITensorInfo *src, ITenso
// Output auto inizialitation if not yet initialized
auto_init_if_empty(*dst, src->clone()->set_data_type(output_stage->output_data_type));
- ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src,
- bias,
- dst,
- output_stage));
+ ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, bias, dst, output_stage));
_output_stage = output_stage;
@@ -281,14 +286,17 @@ void CpuGemmLowpQuantizeDownInt32ScaleKernel::configure(ITensorInfo *src, ITenso
ICpuKernel::configure(win);
// Check if we need to clamp the result using min and max
- _is_bounded_relu = ((_output_stage->gemmlowp_min_bound != _output_stage->gemmlowp_max_bound)
- && !(_output_stage->gemmlowp_min_bound == std::get<0>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type))
- && _output_stage->gemmlowp_max_bound == std::get<1>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type))));
- if(_output_stage->output_data_type == DataType::QASYMM8)
+ _is_bounded_relu =
+ ((_output_stage->gemmlowp_min_bound != _output_stage->gemmlowp_max_bound) &&
+ !(_output_stage->gemmlowp_min_bound ==
+ std::get<0>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type)) &&
+ _output_stage->gemmlowp_max_bound ==
+ std::get<1>(quantization::get_min_max_values_from_quantized_data_type(output_stage->output_data_type))));
+ if (_output_stage->output_data_type == DataType::QASYMM8)
{
_func = &CpuGemmLowpQuantizeDownInt32ScaleKernel::run_internal<uint8_t>;
}
- else if(_output_stage->output_data_type == DataType::QASYMM8_SIGNED)
+ else if (_output_stage->output_data_type == DataType::QASYMM8_SIGNED)
{
_func = &CpuGemmLowpQuantizeDownInt32ScaleKernel::run_internal<int8_t>;
}
@@ -298,7 +306,10 @@ void CpuGemmLowpQuantizeDownInt32ScaleKernel::configure(ITensorInfo *src, ITenso
}
}
-Status CpuGemmLowpQuantizeDownInt32ScaleKernel::validate(const ITensorInfo *src, const ITensorInfo *bias, const ITensorInfo *dst, const GEMMLowpOutputStageInfo *output_stage)
+Status CpuGemmLowpQuantizeDownInt32ScaleKernel::validate(const ITensorInfo *src,
+ const ITensorInfo *bias,
+ const ITensorInfo *dst,
+ const GEMMLowpOutputStageInfo *output_stage)
{
ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, bias, dst, output_stage));
return Status{};
@@ -323,4 +334,4 @@ const char *CpuGemmLowpQuantizeDownInt32ScaleKernel::name() const
}
} // namespace kernels
} // namespace cpu
-} // namespace arm_compute \ No newline at end of file
+} // namespace arm_compute