GPU: Improve some debug messages

Author: davidrohr

GPU/GPUTracking/Base/GPUReconstruction.cxx

@@ -275,6 +275,8 @@ int32_t GPUReconstruction::InitPhaseBeforeDevice()
   if (GetProcessingSettings().deterministicGPUReconstruction) {
     if (!detMode) {
       GPUError("WARNING, deterministicGPUReconstruction needs GPUCA_DETERMINISTIC_MODE for being fully deterministic, without only most indeterminism by concurrency is removed, but floating point effects remain!");
+    } else {
+      GPUInfo("GPU Deterministic Reconstruction is enabled");
     }
     if (mProcessingSettings->debugLevel >= 6 && ((mProcessingSettings->debugMask + 1) & mProcessingSettings->debugMask)) {
       GPUError("WARNING: debugMask %d - debug output might not be deterministic with intermediate steps missing", mProcessingSettings->debugMask);

GPU/GPUTracking/Base/cuda/GPUReconstructionCUDA.cu

@@ -194,7 +194,7 @@ int32_t GPUReconstructionCUDA::InitDevice_Runtime()
 
     bool noDevice = false;
     if (bestDevice == -1) {
-      GPUWarning("No %sCUDA Device available, aborting CUDA Initialisation (Required mem: %ld)", count ? "appropriate " : "", (int64_t)mDeviceMemorySize);
+      GPUWarning("No %sCUDA Device available, aborting CUDA Initialisation (Required mem: %ld, scanned %d devices)", count ? "appropriate " : "", (int64_t)mDeviceMemorySize, count);
 #ifndef __HIPCC__
       GPUImportant("Requiring Revision %d.%d, Mem: %lu", reqVerMaj, reqVerMin, std::max<size_t>(mDeviceMemorySize, REQUIRE_MIN_MEMORY));
 #endif
@@ -228,7 +228,7 @@ int32_t GPUReconstructionCUDA::InitDevice_Runtime()
     GPUChkErrI(cudaGetDeviceProperties(&deviceProp, mDeviceId));
 
     if (GetProcessingSettings().debugLevel >= 2) {
-      GPUInfo("Using CUDA Device %s with Properties:", deviceProp.name);
+      GPUInfo("Using CUDA Device %d: %s with Properties:", bestDevice, deviceProp.name);
       GPUInfo("\ttotalGlobalMem = %ld", (uint64_t)deviceProp.totalGlobalMem);
       GPUInfo("\tsharedMemPerBlock = %ld", (uint64_t)deviceProp.sharedMemPerBlock);
       GPUInfo("\tregsPerBlock = %d", deviceProp.regsPerBlock);