additional information for debugging GPU performance

bioem_cuda.cu

@@ -238,37 +238,34 @@ int bioem_cuda::compareRefMaps(int iOrient, int iConv, myfloat_t amp, myfloat_t
 	}
 
 	float time;
+#ifdef DEBUG_GPU
 	cudaEvent_t start, stop;
-	if (DebugOutput >= 4)
-	{
 	checkCudaErrors(cudaEventCreate(&start));
 	checkCudaErrors(cudaEventCreate(&stop));
 	checkCudaErrors(cudaEventRecord(start, 0));
-	}
+#endif
 	if (GPUAsync)
 	{
 		checkCudaErrors(cudaEventSynchronize(cudaEvent[iConv & 1]));
 	}
-	if (DebugOutput >= 4)
-	{
+#ifdef DEBUG_GPU
 	checkCudaErrors(cudaEventRecord(stop, 0));
 	checkCudaErrors(cudaEventSynchronize(stop));
 	checkCudaErrors(cudaEventElapsedTime(&time, start, stop));
 	printf("\t\t\tGPU: time to synch projections %1.6f sec\n", time/1000);
 	checkCudaErrors(cudaEventRecord(start, 0));
-	}
+#endif
 	if (FFTAlgo)
 	{
 		memcpy(&pConvMapFFT_Host[(iConv & 1) * param.FFTMapSize], localmultFFT, param.FFTMapSize * sizeof(mycomplex_t));
 		checkCudaErrors(cudaMemcpyAsync(&pConvMapFFT[(iConv & 1) * param.FFTMapSize], &pConvMapFFT_Host[(iConv & 1) * param.FFTMapSize], param.FFTMapSize * sizeof(mycomplex_t), cudaMemcpyHostToDevice, cudaStream[GPUAsync ? 2 : 0]));
-		if (DebugOutput >= 4)
-		{
+#ifdef DEBUG_GPU
 		checkCudaErrors(cudaEventRecord(stop, 0));
 		checkCudaErrors(cudaEventSynchronize(stop));
 		checkCudaErrors(cudaEventElapsedTime(&time, start, stop));
 		printf("\t\t\tGPU: time for memcpy %1.6f sec\n", time/1000);
 		checkCudaErrors(cudaEventRecord(start, 0));
-		}
+#endif
 		if (GPUAsync)
 		{
 			checkCudaErrors(cudaEventRecord(cudaEvent[2], cudaStream[2]));
@@ -302,14 +299,13 @@ int bioem_cuda::compareRefMaps(int iOrient, int iConv, myfloat_t amp, myfloat_t
 	else
 	{
 		checkCudaErrors(cudaMemcpyAsync(pConvMap_device[iConv & 1], conv_map, sizeof(myfloat_t) * RefMap.refMapSize, cudaMemcpyHostToDevice, cudaStream[0]));
-		if (DebugOutput >= 4)
-		{
+#ifdef DEBUG_GPU
 		checkCudaErrors(cudaEventRecord(stop, 0));
 		checkCudaErrors(cudaEventSynchronize(stop));
 		checkCudaErrors(cudaEventElapsedTime(&time, start, stop));
 		printf("\t\t\tGPU: time for memcpy %1.6f sec\n", time/1000);
 		checkCudaErrors(cudaEventRecord(start, 0) );
-		}
+#endif
 		if (GPUAlgo == 2) //Loop over shifts
 		{
 			const int nShifts = 2 * param.param_device.maxDisplaceCenter / param.param_device.GridSpaceCenter + 1;
@@ -356,25 +352,23 @@ int bioem_cuda::compareRefMaps(int iOrient, int iConv, myfloat_t amp, myfloat_t
 			exit(1);
 		}
 	}
-	if (DebugOutput >= 4)
-	{
+#ifdef DEBUG_GPU
 	checkCudaErrors(cudaEventRecord(stop, 0));
 	checkCudaErrors(cudaEventSynchronize(stop));
 	checkCudaErrors(cudaEventElapsedTime(&time, start, stop));
 	printf("\t\t\tGPU: time to run CUDA %1.6f sec\n", time/1000);
 	checkCudaErrors(cudaEventRecord(start, 0));
-	}
+#endif
 	if (GPUWorkload < 100)
 	{
 		bioem::compareRefMaps(iOrient, iConv, amp, pha, env, conv_map, localmultFFT, sumC, sumsquareC, maxRef);
 	}
-	if (DebugOutput >= 4)
-	{
+#ifdef DEBUG_GPU
 	checkCudaErrors(cudaEventRecord(stop, 0));
 	checkCudaErrors(cudaEventSynchronize(stop));
 	checkCudaErrors(cudaEventElapsedTime(&time, start, stop));
 	printf("\t\t\tGPU: time to run OMP %1.6f sec\n", time/1000);
-	}
+#endif
 	if (GPUAsync)
 	{
 		checkCudaErrors(cudaEventRecord(cudaEvent[iConv & 1], cudaStream[0]));