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requantize_arm.cpp
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requantize_arm.cpp
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// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2019 BUG1989. All rights reserved.
// Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#include "requantize_arm.h"
#if __ARM_NEON
#include <arm_neon.h>
#endif // __ARM_NEON
#include "arm_activation.h"
#include "arm_usability.h"
namespace ncnn {
#if __ARM_NEON
#include "requantize_leakyrelu_pack4.h"
#include "requantize_leakyrelu_pack8.h"
#include "requantize_relu_pack4.h"
#include "requantize_relu_pack8.h"
#endif // __ARM_NEON
Requantize_arm::Requantize_arm()
{
#if __ARM_NEON
support_packing = true;
#endif // __ARM_NEON
}
int Requantize_arm::forward(const Mat& bottom_blob, Mat& top_blob, const Option& opt) const
{
int dims = bottom_blob.dims;
int elempack = bottom_blob.elempack;
#if __ARM_NEON
if (elempack == 8)
{
if (dims == 1)
{
int w = bottom_blob.w;
top_blob.create(w, (size_t)8u, 8, opt.blob_allocator);
if (top_blob.empty())
return -100;
if (scale_in_data_size == 1 && scale_out_data_size == 1)
{
float32x4_t _scale_in = vdupq_n_f32(scale_in_data[0]);
float32x4_t _scale_out = vdupq_n_f32(scale_out_data[0]);
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmulq_f32(_v0, _scale_in);
_v1 = vmulq_f32(_v1, _scale_in);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out);
_v1 = vmulq_f32(_v1, _scale_out);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias, _v0, _scale_in);
_v1 = vmlaq_f32(_bias, _v1, _scale_in);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out);
_v1 = vmulq_f32(_v1, _scale_out);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out);
_v1 = vmulq_f32(_v1, _scale_out);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
}
else if (scale_in_data_size == 1 && scale_out_data_size > 1)
{
float32x4_t _scale_in = vdupq_n_f32(scale_in_data[0]);
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmulq_f32(_v0, _scale_in);
_v1 = vmulq_f32(_v1, _scale_in);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias, _v0, _scale_in);
_v1 = vmlaq_f32(_bias, _v1, _scale_in);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
}
else if (scale_in_data_size > 1 && scale_out_data_size == 1)
{
float32x4_t _scale_out = vdupq_n_f32(scale_out_data[0]);
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmulq_f32(_v0, _scale_in0);
_v1 = vmulq_f32(_v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out);
_v1 = vmulq_f32(_v1, _scale_out);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out);
_v1 = vmulq_f32(_v1, _scale_out);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out);
_v1 = vmulq_f32(_v1, _scale_out);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
}
else // if (scale_in_data_size > 1 && scale_out_data_size > 1)
{
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmulq_f32(_v0, _scale_in0);
_v1 = vmulq_f32(_v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 8;
signed char* ptr = (signed char*)top_blob + i * 8;
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8 + 4);
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
}
}
}
}
if (dims == 2)
{
int w = bottom_blob.w;
int h = bottom_blob.h;
top_blob.create(w, h, (size_t)8u, 8, opt.blob_allocator);
if (top_blob.empty())
return -100;
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < h; i++)
{
const int* intptr = bottom_blob.row<const int>(i);
signed char* ptr = top_blob.row<signed char>(i);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
for (int j = 0; j < w; j++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmulq_f32(_v0, _scale_in0);
_v1 = vmulq_f32(_v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
intptr += 8;
ptr += 8;
}
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < h; i++)
{
const int* intptr = bottom_blob.row<const int>(i);
signed char* ptr = top_blob.row<signed char>(i);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8 + 4);
for (int j = 0; j < w; j++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
intptr += 8;
ptr += 8;
}
}
}
}
if (dims == 3)
{
int w = bottom_blob.w;
int h = bottom_blob.h;
int channels = bottom_blob.c;
int size = w * h;
top_blob.create(w, h, channels, (size_t)8u, 8, opt.blob_allocator);
if (top_blob.empty())
return -100;
if (activation_type == 1)
{
requantize_relu_pack8_neon(bottom_blob, top_blob, scale_in_data, scale_out_data, bias_data, opt);
return 0;
}
if (activation_type == 2 && activation_params[0] > 0.f)
{
requantize_leakyrelu_pack8_neon(bottom_blob, top_blob, scale_in_data, scale_out_data, bias_data, activation_params[0], opt);
return 0;
}
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int q = 0; q < channels; q++)
{
const int* intptr = bottom_blob.channel(q);
signed char* ptr = top_blob.channel(q);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + q * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + q * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + q * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + q * 8 + 4);
for (int i = 0; i < size; i++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmulq_f32(_v0, _scale_in0);
_v1 = vmulq_f32(_v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
intptr += 8;
ptr += 8;
}
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int q = 0; q < channels; q++)
{
const int* intptr = bottom_blob.channel(q);
signed char* ptr = top_blob.channel(q);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + q * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + q * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + q * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + q * 8 + 4);
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + q * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + q * 8 + 4);
for (int i = 0; i < size; i++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32((intptr + 4)));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
intptr += 8;
ptr += 8;
}
}
}
}
return 0;
}
if (elempack == 4)
{
if (dims == 1)
{
int w = bottom_blob.w;
int out_elempack = opt.use_packing_layout && w * elempack % 8 == 0 ? 8 : 1;
int outw = w * elempack / out_elempack;
top_blob.create(outw, (size_t)out_elempack, out_elempack, opt.blob_allocator);
if (top_blob.empty())
return -100;
if (scale_in_data_size == 1 && scale_out_data_size == 1)
{
float32x4_t _scale_in = vdupq_n_f32(scale_in_data[0]);
float32x4_t _scale_out = vdupq_n_f32(scale_out_data[0]);
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmulq_f32(_v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _bias = vld1q_f32((const float*)bias_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
}
else if (scale_in_data_size == 1 && scale_out_data_size > 1)
{
float32x4_t _scale_in = vdupq_n_f32(scale_in_data[0]);
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_out = vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmulq_f32(_v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_out = vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_out = vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _bias = vld1q_f32((const float*)bias_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
}
else if (scale_in_data_size > 1 && scale_out_data_size == 1)
{
float32x4_t _scale_out = vdupq_n_f32(scale_out_data[0]);
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_in = vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmulq_f32(_v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_in = vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_in = vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _bias = vld1q_f32((const float*)bias_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
}
else // if (scale_in_data_size > 1 && scale_out_data_size > 1)
{
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_in = vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _scale_out = vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmulq_f32(_v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else if (bias_data_size == 1)
{
float32x4_t _bias = vdupq_n_f32(bias_data[0]);
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_in = vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _scale_out = vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < w; i++)
{
const int* intptr = (const int*)bottom_blob + i * 4;
signed char* ptr = (signed char*)top_blob + i * 4;
float32x4_t _scale_in = vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _scale_out = vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _bias = vld1q_f32((const float*)bias_data + i * 4);
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr[0] = vget_lane_s8(v, 0);
ptr[1] = vget_lane_s8(v, 1);
ptr[2] = vget_lane_s8(v, 2);
ptr[3] = vget_lane_s8(v, 3);
}
}
}
}
if (dims == 2)
{
int w = bottom_blob.w;
int h = bottom_blob.h;
int out_elempack = opt.use_packing_layout && h * elempack % 8 == 0 ? 8 : 1;
int outh = h * elempack / out_elempack;
top_blob.create(w, outh, (size_t)out_elempack, out_elempack, opt.blob_allocator);
if (top_blob.empty())
return -100;
if (out_elempack == 8)
{
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < outh; i++)
{
const int* intptr0 = bottom_blob.row<const int>(i * 2);
const int* intptr1 = bottom_blob.row<const int>(i * 2 + 1);
signed char* ptr = top_blob.row<signed char>(i);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
for (int j = 0; j < w; j++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr0));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32(intptr1));
_v0 = vmulq_f32(_v0, _scale_in0);
_v1 = vmulq_f32(_v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
intptr0 += 4;
intptr1 += 4;
ptr += 8;
}
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < outh; i++)
{
const int* intptr0 = bottom_blob.row<const int>(i * 2);
const int* intptr1 = bottom_blob.row<const int>(i * 2 + 1);
signed char* ptr = top_blob.row<signed char>(i);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 8 + 4);
float32x4_t _bias0 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8);
float32x4_t _bias1 = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 8 + 4);
for (int j = 0; j < w; j++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr0));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32(intptr1));
_v0 = vmlaq_f32(_bias0, _v0, _scale_in0);
_v1 = vmlaq_f32(_bias1, _v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));
intptr0 += 4;
intptr1 += 4;
ptr += 8;
}
}
}
}
if (out_elempack == 1)
{
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < h; i++)
{
const int* intptr = bottom_blob.row<const int>(i);
signed char* ptr0 = top_blob.row<signed char>(i * 4);
signed char* ptr1 = top_blob.row<signed char>(i * 4 + 1);
signed char* ptr2 = top_blob.row<signed char>(i * 4 + 2);
signed char* ptr3 = top_blob.row<signed char>(i * 4 + 3);
float32x4_t _scale_in = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _scale_out = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 4);
for (int j = 0; j < w; j++)
{
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmulq_f32(_v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr0[0] = vget_lane_s8(v, 0);
ptr1[0] = vget_lane_s8(v, 1);
ptr2[0] = vget_lane_s8(v, 2);
ptr3[0] = vget_lane_s8(v, 3);
intptr += 4;
ptr0 += 1;
ptr1 += 1;
ptr2 += 1;
ptr3 += 1;
}
}
}
else
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int i = 0; i < h; i++)
{
const int* intptr = bottom_blob.row<const int>(i);
signed char* ptr0 = top_blob.row<signed char>(i * 4);
signed char* ptr1 = top_blob.row<signed char>(i * 4 + 1);
signed char* ptr2 = top_blob.row<signed char>(i * 4 + 2);
signed char* ptr3 = top_blob.row<signed char>(i * 4 + 3);
float32x4_t _scale_in = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + i * 4);
float32x4_t _scale_out = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + i * 4);
float32x4_t _bias = bias_data_size == 1 ? vdupq_n_f32(bias_data[0]) : vld1q_f32((const float*)bias_data + i * 4);
for (int j = 0; j < w; j++)
{
float32x4_t _v = vcvtq_f32_s32(vld1q_s32(intptr));
_v = vmlaq_f32(_bias, _v, _scale_in);
_v = activation_ps(_v, activation_type, activation_params);
_v = vmulq_f32(_v, _scale_out);
int8x8_t v = float2int8(_v, _v);
ptr0[0] = vget_lane_s8(v, 0);
ptr1[0] = vget_lane_s8(v, 1);
ptr2[0] = vget_lane_s8(v, 2);
ptr3[0] = vget_lane_s8(v, 3);
intptr += 4;
ptr0 += 1;
ptr1 += 1;
ptr2 += 1;
ptr3 += 1;
}
}
}
}
}
if (dims == 3)
{
int w = bottom_blob.w;
int h = bottom_blob.h;
int channels = bottom_blob.c;
int size = w * h;
int out_elempack = opt.use_packing_layout && channels * elempack % 8 == 0 ? 8 : 1;
int outc = channels * elempack / out_elempack;
top_blob.create(w, h, outc, (size_t)out_elempack, out_elempack, opt.blob_allocator);
if (top_blob.empty())
return -100;
if (activation_type == 1)
{
requantize_relu_pack4_neon(bottom_blob, top_blob, scale_in_data, scale_out_data, bias_data, opt);
return 0;
}
if (activation_type == 2 && activation_params[0] > 0.f)
{
requantize_leakyrelu_pack4_neon(bottom_blob, top_blob, scale_in_data, scale_out_data, bias_data, activation_params[0], opt);
return 0;
}
if (out_elempack == 8)
{
if (bias_data_size == 0)
{
#pragma omp parallel for num_threads(opt.num_threads)
for (int q = 0; q < outc; q++)
{
const int* intptr0 = bottom_blob.channel(q * 2);
const int* intptr1 = bottom_blob.channel(q * 2 + 1);
signed char* ptr = top_blob.channel(q);
float32x4_t _scale_in0 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + q * 8);
float32x4_t _scale_in1 = scale_in_data_size == 1 ? vdupq_n_f32(scale_in_data[0]) : vld1q_f32((const float*)scale_in_data + q * 8 + 4);
float32x4_t _scale_out0 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + q * 8);
float32x4_t _scale_out1 = scale_out_data_size == 1 ? vdupq_n_f32(scale_out_data[0]) : vld1q_f32((const float*)scale_out_data + q * 8 + 4);
for (int i = 0; i < size; i++)
{
float32x4_t _v0 = vcvtq_f32_s32(vld1q_s32(intptr0));
float32x4_t _v1 = vcvtq_f32_s32(vld1q_s32(intptr1));
_v0 = vmulq_f32(_v0, _scale_in0);
_v1 = vmulq_f32(_v1, _scale_in1);
_v0 = activation_ps(_v0, activation_type, activation_params);
_v1 = activation_ps(_v1, activation_type, activation_params);
_v0 = vmulq_f32(_v0, _scale_out0);
_v1 = vmulq_f32(_v1, _scale_out1);
vst1_s8(ptr, float2int8(_v0, _v1));