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Add ResizeLayerRT plugin

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Signed-off-by: nvidia <micaelaverucchi@gmail.com>
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nvidia
2019-12-20 15:27:41 +01:00
parent df888a3457
commit 854a4c316a
11 changed files with 171 additions and 43 deletions
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src/kernels/resize.cu
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#include "kernels.h"
#include <stdio.h>
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
__global__ void resize_kernel( int i_N,float *x, int i_w, int i_h, int i_c,
int o_w, int o_h, int o_c, int batch, float *out)
{
int i = (blockIdx.x + blockIdx.y*gridDim.x) * blockDim.x + threadIdx.x;
if(i >= i_N) return;
int out_index = i;
int out_w = i%o_w;
i = i/o_w;
int out_h = i%o_h;
i = i/o_h;
int out_c = i%o_c;
i = i/o_c;
//copying last column/last row
int in_index = ((i*i_c + MIN(out_c,i_c-1))*i_h + MIN(out_h,i_h-1))*i_w + MIN(out_w, i_w-1);
out[out_index] = x[in_index];
}
void resizeForward( dnnType* srcData, dnnType* dstData, int n, int i_c, int i_h, int i_w,
int o_c, int o_h, int o_w, cudaStream_t stream )
{
int i_size = n*i_c*i_h*i_w;
int o_size = n*o_c*o_h*o_w;
int blocks = (o_size+255)/256;
int threads = 256;
if(i_c == o_c && i_h == o_h && i_w == o_w )
{
checkCuda(cudaMemcpy(dstData, srcData, i_size*sizeof(dnnType), cudaMemcpyDeviceToDevice));
}
else
{
checkCuda(cudaMemset(dstData, 0, o_size*sizeof(dnnType)));
resize_kernel<<<blocks, threads, 0, stream>>>(o_size, srcData, i_w, i_h, i_c, o_w, o_h, o_c, n, dstData);
// printDeviceVector(i_size, srcData);
// printDeviceVector(o_size, dstData);
}
}