File size: 1,600 Bytes
8649653 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #include <cstdio>
#include <cuda.h>
#include <cuda_fp16.h>
#include <cstring>
#define CHECK_CU(x) do { CUresult r = x; if (r != CUDA_SUCCESS) { printf("CUDA err %d at %d\n", r, __LINE__); return 1; } } while(0)
int main() {
CHECK_CU(cuInit(0)); CUdevice dev; CHECK_CU(cuDeviceGet(&dev, 0));
CUcontext ctx; CHECK_CU(cuDevicePrimaryCtxRetain(&ctx, dev)); CHECK_CU(cuCtxSetCurrent(ctx));
CUmodule mod; CHECK_CU(cuModuleLoad(&mod, "conv2d_implicit_gemm.sm_86.cubin"));
CUfunction fn; CHECK_CU(cuModuleGetFunction(&fn, mod, "implicit_gemm_conv"));
int N=1, H=64, W=64, Cin=64, kH=3, kW=3, pad=1;
int out_H=64, out_W=64, M=4096, Kdim=576, Cout=64;
size_t Xe = (size_t)N*H*W*Cin;
size_t Ye = (size_t)M*Cout;
size_t Be = (size_t)Kdim*Cout;
CUdeviceptr dX, dB, dY;
CHECK_CU(cuMemAlloc(&dX, Xe*sizeof(float)));
CHECK_CU(cuMemAlloc(&dB, Be*sizeof(__half)));
CHECK_CU(cuMemAlloc(&dY, Ye*sizeof(float)));
CHECK_CU(cuMemsetD32(dX, 0, Xe));
CHECK_CU(cuMemsetD32(dB, 0, Be));
void* args[] = {&dX, &dB, &dY, &N, &H, &W, &Cin, &kH, &kW, &pad, &out_H, &out_W, &M, &Kdim, &Cout};
int grid_m = (M + 64 - 1) / 64;
int grid_n = (Cout + 64 - 1) / 64;
printf("Grid: %d x %d\n", grid_m, grid_n);
printf("Smem: %d bytes\n", 8192);
CHECK_CU(cuFuncSetAttribute(fn, CU_FUNC_ATTRIBUTE_MAX_DYNAMIC_SHARED_SIZE_BYTES, 8192));
printf("Launching implicit...\n");
CHECK_CU(cuLaunchKernel(fn, grid_m, grid_n, 1, 128, 1, 1, 8192, 0, args, 0));
printf("Syncing...\n");
CHECK_CU(cuCtxSynchronize());
printf("OK!\n");
return 0;
}
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