GPU: Write floats in hex format to debug dump when in deterministic mode

Author: davidrohr

GPU/GPUTracking/Definitions/GPUSettingsList.h

@@ -329,6 +329,7 @@ AddOption(debugLevel, int32_t, -1, "debug", 'd', "Set debug level (-2 = silent,
 AddOption(allocDebugLevel, int32_t, 0, "allocDebug", 0, "Some debug output for memory allocations (without messing with normal debug level)")
 AddOption(debugMask, uint32_t, (1 << 18) - 1, "debugMask", 0, "Mask for debug output dumps to file")
 AddOption(debugLogSuffix, std::string, "", "debugSuffix", 0, "Suffix for debug log files with --debug 6")
+AddOption(debugFileHexFloat, int32_t, -1, "", 0, "Use hex format to print floats to debug dump file")
 AddOption(debugCSV, std::string, "", "", 0, "CSV filename to append the benchmark results. Verbosity determined by parameter --debug.")
 AddOption(debugMarkdown, bool, false, "", 0, "Print the results of standlaone benchmarks in markdown format")
 AddOption(serializeGPU, int8_t, 0, "", 0, "Synchronize after each kernel call (bit 1) and DMA transfer (bit 2) and identify failures")

GPU/GPUTracking/Global/GPUChainTracking.cxx

@@ -383,6 +383,9 @@ int32_t GPUChainTracking::Init()
   if (GetProcessingSettings().debugLevel >= 6) {
     std::string filename = std::string(mRec->IsGPU() ? "GPU" : "CPU") + (mRec->slaveId() != -1 ? (std::string("_slave") + std::to_string(mRec->slaveId())) : std::string(mRec->slavesExist() ? "_master" : "")) + GetProcessingSettings().debugLogSuffix + ".out";
     mDebugFile->open(filename.c_str());
+    if (GetProcessingSettings().debugFileHexFloat >= 1 || (GetProcessingSettings().debugFileHexFloat == -1 && GetProcessingSettings().deterministicGPUReconstruction)) {
+      *mDebugFile << std::hexfloat;
+    }
   }
 
   return 0;

GPU/GPUTracking/Merger/GPUTPCGMMergerDump.cxx

@@ -43,7 +43,7 @@ using namespace gputpcgmmergertypes;
 void GPUTPCGMMerger::DumpSectorTracks(std::ostream& out) const
 {
   std::streamsize ss = out.precision();
-  out << std::setprecision(10);
+  out << std::setprecision(6);
   out << "\nTPC Merger Sector Tracks\n";
   for (int32_t iSector = 0; iSector < NSECTORS; iSector++) {
     out << "Sector Track Info Sector " << iSector << " Index " << (mSectorTrackInfoIndex[iSector + 1] - mSectorTrackInfoIndex[iSector]) << " / " << (mSectorTrackInfoIndex[NSECTORS + iSector + 1] - mSectorTrackInfoIndex[NSECTORS + iSector]) << "\n";
@@ -141,7 +141,7 @@ void GPUTPCGMMerger::DumpCollected(std::ostream& out) const
 void GPUTPCGMMerger::DumpTrackParam(std::ostream& out) const
 {
   std::streamsize ss = out.precision();
-  out << std::setprecision(10);
+  out << std::setprecision(6);
   for (uint32_t i = 0; i < mMemory->nMergedTracks; i++) {
     const auto& trk = mMergedTracks[i];
     const auto& p = trk.GetParam();
@@ -206,7 +206,7 @@ void GPUTPCGMMerger::DumpFitPrepare(std::ostream& out) const
 void GPUTPCGMMerger::DumpRefit(std::ostream& out) const
 {
   std::streamsize ss = out.precision();
-  out << std::setprecision(10);
+  out << std::setprecision(6);
   out << "\nTPC Merger Refit\n";
   for (uint32_t i = 0; i < mMemory->nMergedTracks; i++) {
     const auto& trk = mMergedTracks[i];