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Gpu welcome message and device info

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This commit is contained in:
Peter Boyle 2018-03-19 07:12:12 -04:00
parent d4ce7d9905
commit f04a7251cc
1 changed files with 44 additions and 0 deletions
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44
lib/util/Init.cc
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@ -221,6 +221,47 @@ std::string GridCmdVectorIntToString(const VectorInt & vec_in){
static MemoryStats dbgMemStats; static MemoryStats dbgMemStats;
static int Grid_is_initialised; static int Grid_is_initialised;
/////////////////////////////////////////////////////////
// Reinit guard
/////////////////////////////////////////////////////////
#ifdef GRID_NVCC
void GridGpuInit(void)
{
int nDevices;
cudaGetDeviceCount(&nDevices);
for (int i = 0; i < nDevices; i++) {
cudaDeviceProp prop;
cudaGetDeviceProperties(&prop, i);
printf("Device Number: %d\n", i);
printf(" Device name: %s\n", prop.name);
printf(" Memory Clock Rate (KHz): %d\n",
prop.memoryClockRate);
printf(" Memory Bus Width (bits): %d\n",
prop.memoryBusWidth);
printf(" Peak Memory Bandwidth (GB/s): %f\n\n",
2.0*prop.memoryClockRate*(prop.memoryBusWidth/8)/1.0e6);
#define GPU_PROP_FMT(canMapHostMemory,FMT) printf(" " #canMapHostMemory ": " FMT" \n",prop.canMapHostMemory);
#define GPU_PROP(canMapHostMemory) printf(" " #canMapHostMemory ": %d \n",prop.canMapHostMemory);
GPU_PROP(canMapHostMemory);
GPU_PROP(canUseHostPointerForRegisteredMem);
GPU_PROP(globalL1CacheSupported);
GPU_PROP(isMultiGpuBoard);
GPU_PROP(kernelExecTimeoutEnabled);
GPU_PROP(l2CacheSize);
GPU_PROP(managedMemory);
GPU_PROP(pageableMemoryAccess);
GPU_PROP(regsPerMultiprocessor);
GPU_PROP_FMT(sharedMemPerBlock,"%lx");
GPU_PROP_FMT(sharedMemPerMultiprocessor,"%lx");
GPU_PROP(singleToDoublePrecisionPerfRatio);
GPU_PROP(unifiedAddressing);
GPU_PROP(warpSize);
}
}
#endif
void Grid_init(int *argc,char ***argv) void Grid_init(int *argc,char ***argv)
{ {
assert(Grid_is_initialised == 0); assert(Grid_is_initialised == 0);
@ -308,6 +349,9 @@ void Grid_init(int *argc,char ***argv)
std::cout << std::endl; std::cout << std::endl;
} }
#ifdef GRID_NVCC
GridGpuInit();
#endif
//////////////////////////////////// ////////////////////////////////////
// Logging // Logging