File size: 1,799 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 39 40 41 42 43 44 | #include <cstdio>
#include <cuda.h>
#include <cuda_fp16.h>
int main() {
CUresult r;
r = cuInit(0); if (r) { printf("cuInit %d\n", r); return 1; }
CUdevice dev;
r = cuDeviceGet(&dev, 0); if (r) { printf("cuDeviceGet %d\n", r); return 1; }
CUcontext ctx;
r = cuDevicePrimaryCtxRetain(&ctx, dev); if (r) { printf("cuDevicePrimaryCtxRetain %d\n", r); return 1; }
r = cuCtxSetCurrent(ctx); if (r) { printf("cuCtxSetCurrent %d\n", r); return 1; }
CUmodule mod;
r = cuModuleLoad(&mod, "conv2d_implicit_gemm.sm_86.cubin");
if (r) { printf("cuModuleLoad %d (file not found?)\n", r); return 1; }
printf("Loaded OK\n");
CUfunction fn;
r = cuModuleGetFunction(&fn, mod, "implicit_gemm_conv");
if (r) { printf("cuModuleGetFunction %d\n", r); return 1; }
printf("Function OK\n");
// Small grid test (1 block) — already worked
int N=1, H=64, W=64, Cin=64, kH=3, kW=3, pad=1, oH=64, oW=64, M=64, K=576, Cout=64;
size_t Xs=N*H*W*Cin, Bs=K*Cout, Ys=M*Cout;
CUdeviceptr dX, dB, dY;
cuMemAlloc(&dX, Xs*sizeof(float));
cuMemAlloc(&dB, Bs*sizeof(__half));
cuMemAlloc(&dY, Ys*sizeof(float));
void* args[] = {&dX,&dB,&dY,&N,&H,&W,&Cin,&kH,&kW,&pad,&oH,&oW,&M,&K,&Cout};
cuFuncSetAttribute(fn, CU_FUNC_ATTRIBUTE_MAX_DYNAMIC_SHARED_SIZE_BYTES, 8192);
printf("Launch 1 block...\n");
cuLaunchKernel(fn, 1,1,1, 128,1,1, 8192,0, args,0);
cuCtxSynchronize(); printf("1 block OK\n");
// Larger grid test (64x1)
M=4096;
cuMemFree(dY); cuMemAlloc(&dY, M*Cout*sizeof(float));
void* args2[] = {&dX,&dB,&dY,&N,&H,&W,&Cin,&kH,&kW,&pad,&oH,&oW,&M,&K,&Cout};
printf("Launch 64x1...\n");
cuLaunchKernel(fn, 64,1,1, 128,1,1, 8192,0, args2,0);
cuCtxSynchronize(); printf("64x1 OK\n");
return 0;
}
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