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/**
* \file dnn/src/cuda/convolution_helper/bias_visitor.cuh
* MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
*
* Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
#pragma once
#include "src/cuda/utils.cuh"
namespace megdnn {
namespace cuda {
namespace convolution {
struct PerChannelBiasVisitor {
const int32_t* __restrict__ bias;
#if MEGDNN_CC_CUDA
__host__ __device__ __forceinline__ void move(int, int ch, int, int) { bias += ch; }
__host__ __device__ __forceinline__ float4 at(int, int ch, int, int) {
int ix = *(bias + ch);
int iy = *(bias + ch + 1);
int iz = *(bias + ch + 2);
int iw = *(bias + ch + 3);
return ::make_float4(
static_cast<float>(ix), static_cast<float>(iy), static_cast<float>(iz),
static_cast<float>(iw));
}
__host__ __device__ __forceinline__ float4 at(int, int ch, int) {
int ix = *(bias + ch);
int iy = *(bias + ch + 1);
int iz = *(bias + ch + 2);
int iw = *(bias + ch + 3);
return ::make_float4(
static_cast<float>(ix), static_cast<float>(iy), static_cast<float>(iz),
static_cast<float>(iw));
}
#endif
};
} // namespace convolution
} // namespace cuda
} // namespace megdnn
// vim: ft=cpp syntax=cuda.doxygen foldmethod=marker foldmarker=f{{{,f}}}