timer.h
658 Bytes
#ifndef STIM_CUDA_TIMER
#define STIM_CUDA_TIMER
static cudaEvent_t tStartEvent;
static cudaEvent_t tStopEvent;
namespace stim{
/// These functions calculate the time between GPU functions in milliseconds
static void gpuStartTimer()
{
//set up timing events
cudaEventCreate(&tStartEvent);
cudaEventCreate(&tStopEvent);
cudaEventRecord(tStartEvent, 0);
}
static float gpuStopTimer()
{
cudaEventRecord(tStopEvent, 0);
cudaEventSynchronize(tStopEvent);
float elapsedTime;
cudaEventElapsedTime(&elapsedTime, tStartEvent, tStopEvent);
cudaEventDestroy(tStartEvent);
cudaEventDestroy(tStopEvent);
return elapsedTime;
}
} //end namespace stim
#endif