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Fixed cudaSetDevice problem. #4

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Fixed cudaSetDevice problem. #4

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21 changes: 18 additions & 3 deletions cuda_common.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -120,11 +120,26 @@ void checkCUDADevice(struct cudaDeviceProp *deviceProp, int output_verbosity) {
if (output_verbosity>=OUTPUT_NORMAL)
fprintf(stdout,"Successfully found %d CUDA devices (CUDART_VERSION %d).\n",deviceCount, CUDART_VERSION);

_CUDA(cudaSetDevice(6));
_CUDA(cudaGetDeviceProperties(deviceProp, 6));
/* added by abu naser(an16e@my.fsu.edu) to solve deviceid problem */
int deviceId;
_CUDA(cudaGetDevice(&deviceId)) ;
if(!deviceId)
fprintf(stdout,"Successfully found CUDA deviceId = %d.\n",deviceId);
else
fprintf(stdout,"CUDA deviceId not found.\n");

_CUDA(cudaSetDevice(deviceId));
_CUDA(cudaGetDeviceProperties(deviceProp, deviceId));

// _CUDA(cudaSetDevice(6));
// _CUDA(cudaGetDeviceProperties(deviceProp, 6));
/* end of add */



if (output_verbosity==OUTPUT_VERBOSE) {
fprintf(stdout,"\nDevice %d: \"%s\"\n", 6, deviceProp->name);
fprintf(stdout,"\nDevice %d: \"%s\"\n", deviceId, deviceProp->name);
// fprintf(stdout,"\nDevice %d: \"%s\"\n", 6, deviceProp->name);
fprintf(stdout," CUDA Compute Capability: %d.%d\n", deviceProp->major,deviceProp->minor);
#if CUDART_VERSION >= 2000
fprintf(stdout," Number of multiprocessors (SM): %d\n", deviceProp->multiProcessorCount);
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