hchandirasekar
96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
#include<cassert>
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#include "../kernels.h"
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class RegionRT : public IPlugin {
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public:
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RegionRT(int classes, int coords, int num) {
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this->classes = classes;
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this->coords = coords;
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this->num = num;
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}
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~RegionRT(){
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}
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int getNbOutputs() const override {
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return 1;
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}
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Dims getOutputDimensions(int index, const Dims* inputs, int nbInputDims) override {
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return inputs[0];
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}
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void configure(const Dims* inputDims, int nbInputs, const Dims* outputDims, int nbOutputs, int maxBatchSize) override {
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c = inputDims[0].d[0];
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h = inputDims[0].d[1];
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w = inputDims[0].d[2];
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}
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int initialize() override {
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return 0;
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}
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virtual void terminate() override {
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}
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virtual size_t getWorkspaceSize(int maxBatchSize) const override {
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return 0;
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}
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virtual int enqueue(int batchSize, const void*const * inputs, void** outputs, void* workspace, cudaStream_t stream) override {
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dnnType *srcData = (dnnType*)reinterpret_cast<const dnnType*>(inputs[0]);
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dnnType *dstData = reinterpret_cast<dnnType*>(outputs[0]);
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checkCuda( cudaMemcpyAsync(dstData, srcData, batchSize*c*h*w*sizeof(dnnType), cudaMemcpyDeviceToDevice, stream));
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for (int b = 0; b < batchSize; ++b){
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for(int n = 0; n < num; ++n){
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int index = entry_index(b, n*w*h, 0);
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activationLOGISTICForward(srcData + index, dstData + index, 2*w*h, stream);
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index = entry_index(b, n*w*h, coords);
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activationLOGISTICForward(srcData + index, dstData + index, w*h, stream);
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}
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}
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//softmax start
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int index = entry_index(0, 0, coords + 1);
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softmaxForward( srcData + index, classes, batchSize*num,
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(c*h*w)/num,
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w*h, 1, w*h, 1, dstData + index, stream);
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return 0;
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}
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virtual size_t getSerializationSize() override {
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return 6*sizeof(int);
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}
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virtual void serialize(void* buffer) override {
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char *buf = reinterpret_cast<char*>(buffer),*a=buf;
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tk::dnn::writeBUF(buf, classes);
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tk::dnn::writeBUF(buf, coords);
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tk::dnn::writeBUF(buf, num);
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tk::dnn::writeBUF(buf, c);
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tk::dnn::writeBUF(buf, h);
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tk::dnn::writeBUF(buf, w);
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assert(buf == a + getSerializationSize());
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}
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int c, h, w;
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int classes, coords, num;
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int entry_index(int batch, int location, int entry) {
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int n = location / (w*h);
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int loc = location % (w*h);
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return batch*c*h*w + n*w*h*(coords+classes+1) + entry*w*h + loc;
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}
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};
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