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convolution_gpu_byxf_af32_depthwise.cl
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convolution_gpu_byxf_af32_depthwise.cl
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// Copyright (c) 2016-2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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 "include/common.cl"
#include "include/data_types.cl"
#include "include/fetch.cl"
#include "include/mmad.cl"
KERNEL(convolution_gpu_byxf_af32_depthwise)(
__global INPUT0_TYPE* input,
__global OUTPUT_TYPE* output,
__global FILTER_TYPE* weights,
#if BIAS_TERM
__global BIAS_TYPE* biases,
#endif
#if QUANTIZATION_TERM
__global float* quantizations,
#endif
#if CALIBRATION_TERM
__global float* calibrations,
#endif
uint split_idx)
{
const uint x = get_global_id(1);
const uint y = get_global_id(2);
#if OUTPUT_BATCH_NUM == 1
const uint f = get_global_id(0);
const uint b = 0;
#else
const uint f = get_global_id(0) % OUTPUT_FEATURE_NUM;
const uint b = get_global_id(0) / OUTPUT_FEATURE_NUM;
#endif
#if QUANTIZATION_TERM
int dotProd = 0;
#else
UNIT_TYPE dotProd = UNIT_VAL_ZERO;
#endif
const int input_x = x * STRIDE_SIZE_X - PADDING_SIZE_X;
const int input_y = y * STRIDE_SIZE_Y - PADDING_SIZE_Y;
#if DEPTHWISE_SEPARABLE_OPT
const uint in_split_offset = (f / FILTER_OFM_NUM) * INPUT0_FEATURE_PITCH * FILTER_IFM_NUM;
#else
const uint in_split_offset = split_idx * INPUT0_FEATURE_PITCH * FILTER_IFM_NUM;
#endif
const uint filter_offset = f*FILTER_OFM_PITCH;
const uint input_offset = b*INPUT0_BATCH_PITCH + INPUT0_OFFSET + in_split_offset;
for (uint k = 0; k < FILTER_IFM_NUM; ++k)
{
for (uint j = 0; j < FILTER_SIZE_Y ; ++j)
{
const int input_offset_y = input_y + j * DILATION_SIZE_Y;
const bool zero_y = input_offset_y >= INPUT0_SIZE_Y || input_offset_y < 0;
if(!zero_y)
{
for (uint i = 0; i < FILTER_SIZE_X ; ++i)
{
const int input_offset_x = input_x + i * DILATION_SIZE_X;
const bool zero_x = input_offset_x >= INPUT0_SIZE_X || input_offset_x < 0;
if(!zero_x)
{
uint input_idx = input_offset + (uint)input_offset_x*INPUT0_X_PITCH + (uint)input_offset_y*INPUT0_Y_PITCH + k*INPUT0_FEATURE_PITCH;
uint filter_idx = filter_offset + k*FILTER_IFM_PITCH + j*FILTER_Y_PITCH + i*FILTER_X_PITCH;
#if QUANTIZATION_TERM
dotProd += (int)input[input_idx] * (int)weights[filter_idx];
#else
dotProd += input[input_idx] * weights[filter_idx];
#endif
}
}
}
}
}
#if BIAS_TERM
#if BIAS_PER_OUTPUT
const uint bias_index = GET_DATA_INDEX(BIAS, b, f, y, x);
#elif BIAS_PER_OFM
const uint bias_index = f;
#endif
#if QUANTIZATION_TERM
#if CALIBRATION_TERM
dotProd = (UNIT_TYPE)round(((float)dotProd * quantizations[f] * I_QF + biases[bias_index]) * calibrations[f]);
#else // CALIBRATION_TERM
dotProd = (UNIT_TYPE)round(((float)dotProd * quantizations[f] * I_QF + biases[bias_index]) * O_QF);
#endif // CALIBRATION_TERM
#else // QUANTIZATION_TERM
dotProd += (UNIT_TYPE)biases[bias_index];
#endif // QUANTIZATION_TERM
#endif
const uint out_split_offset = split_idx * OUTPUT_FEATURE_PITCH * OUTPUT_FEATURE_NUM;
const uint dst_index = GET_DATA_INDEX(OUTPUT, b, f, y, x) + out_split_offset;
#if QUANTIZATION_TERM
output[dst_index] = ACTIVATION(convert_char(dotProd), NL_M, NL_N);
#else
output[dst_index] = ACTIVATION(dotProd, NL_M, NL_N);
#endif
}