WIP

CHIP-SPV · Aug 29, 2024 · 8946619 · 8946619
1 parent 3790ccd
commit 8946619
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/backend/OpenCL/CHIPBackendOpenCL.cc b/src/backend/OpenCL/CHIPBackendOpenCL.cc
@@ -807,19 +807,25 @@ float CHIPEventOpenCL::getElapsedTime(chipstar::Event *OtherIn) {
 
   // Handle overflow
   const uint64_t MaxValue = std::numeric_limits<uint64_t>::max();
+  bool overflow = false;
   if (EndGPU < BeginGPU) {
     logError("Overflow detected in CHIPEventOpenCL::getElapsedTime()");
     EndGPU += MaxValue - BeginGPU;
+    overflow = true;
   }
 
   int64_t Elapsed = EndGPU - BeginGPU;
+  if (overflow) {
+    logError("Overflow detected in CHIPEventOpenCL::getElapsedTime()");
+  }
+
   const int64_t NANOSECS = 1000000000;
   int64_t MS = (Elapsed / NANOSECS) * 1000;
   int64_t NS = Elapsed % NANOSECS;
   float FractInMS = ((float)NS) / 1000000.0f;
   float Ms = (float)MS + FractInMS;
 
-  if (ReversedEvents)
+  if (ReversedEvents && !overflow)
     Ms = -Ms;
 
   return Ms;