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99 lines
3.2 KiB
99 lines
3.2 KiB
/* Copyright (c) 2016 Paddle
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "SwitchOp.h"
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#include "hl_base.h"
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namespace paddle {
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__global__ void KeNCHW2NHWC(real* outputs,
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const real* inputs,
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int inC,
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int inH,
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int inW,
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int nthreads,
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int argType) {
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const int idx = threadIdx.x + blockIdx.x * blockDim.x;
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if (idx < nthreads) {
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const int w = idx % inW;
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const int h = (idx / inW) % inH;
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const int c = (idx / inW / inH) % inC;
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const int n = idx / inW / inH / inC;
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const int off = ((n * inH + h) * inW + w) * inC + c;
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if (argType == ADD_TO) {
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outputs[off] += inputs[idx];
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} else {
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outputs[off] = inputs[idx];
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}
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}
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}
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template <>
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void NCHW2NHWC<DEVICE_TYPE_GPU>(real* outputs,
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const real* inputs,
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const int num,
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const int inC,
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const int inH,
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const int inW,
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const int argType) {
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size_t nth = num * inC * inH * inW;
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int blockSize = 1024;
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int gridSize = (nth + 1024 - 1) / 1024;
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KeNCHW2NHWC<<<gridSize, blockSize, 0, STREAM_DEFAULT>>>(
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outputs, inputs, inC, inH, inW, nth, argType);
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CHECK_SYNC("NCHW2NHWC");
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}
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__global__ void KeNHWC2NCHW(real* outputs,
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const real* inputs,
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int inH,
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int inW,
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int inC,
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int nthreads,
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int argType) {
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const int idx = threadIdx.x + blockIdx.x * blockDim.x;
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if (idx < nthreads) {
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const int c = idx % inC;
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const int w = (idx / inC) % inW;
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const int h = (idx / inC / inW) % inH;
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const int n = idx / inW / inH / inC;
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const int off = ((n * inC + c) * inH + h) * inW + w;
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if (argType == ADD_TO) {
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outputs[off] += inputs[idx];
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} else {
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outputs[off] = inputs[idx];
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}
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}
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}
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template <>
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void NHWC2NCHW<DEVICE_TYPE_GPU>(real* outputs,
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const real* inputs,
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const int num,
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const int inH,
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const int inW,
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const int inC,
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const int argType) {
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int nth = num * inC * inH * inW;
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int blockSize = 1024;
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int gridSize = (nth + 1024 - 1) / 1024;
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KeNHWC2NCHW<<<gridSize, blockSize, 0, STREAM_DEFAULT>>>(
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outputs, inputs, inH, inW, inC, nth, argType);
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CHECK_SYNC("NHWC2NCHW");
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}
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} // namespace paddle
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