TPCClusterFinder: Fix memory issue introduced in #4238.

fweig · davidrohr · commit 8802dbc0d48b · 2020-09-05T12:52:35.000+02:00
diff --git a/GPU/GPUTracking/Global/GPUChainTracking.cxx b/GPU/GPUTracking/Global/GPUChainTracking.cxx
@@ -1301,6 +1301,7 @@ int GPUChainTracking::RunTPCClusterizer(bool synchronizeOutput)
       runKernel<GPUTPCCFMCLabelFlattener, GPUTPCCFMCLabelFlattener::setRowOffsets>(GetGrid(GPUCA_ROW_COUNT, lane, GPUReconstruction::krnlDeviceType::CPU), {iSlice}, {});
       GPUTPCCFMCLabelFlattener::setGlobalOffsetsAndAllocate(clusterer, mcLinearLabels);
       runKernel<GPUTPCCFMCLabelFlattener, GPUTPCCFMCLabelFlattener::flatten>(GetGrid(GPUCA_ROW_COUNT, lane, GPUReconstruction::krnlDeviceType::CPU), {iSlice}, {}, &mcLinearLabels);
+      clusterer.clearMCMemory();
     }
     if (buildNativeHost && buildNativeGPU && anyLaneHasData) {
       if (GetProcessingSettings().delayedOutput) {

Original file line number	Diff line number	Diff line change
`@@ -1301,6 +1301,7 @@ int GPUChainTracking::RunTPCClusterizer(bool synchronizeOutput)`
`1301`	`1301`	`runKernel<GPUTPCCFMCLabelFlattener, GPUTPCCFMCLabelFlattener::setRowOffsets>(GetGrid(GPUCA_ROW_COUNT, lane, GPUReconstruction::krnlDeviceType::CPU), {iSlice}, {});`
`1302`	`1302`	`GPUTPCCFMCLabelFlattener::setGlobalOffsetsAndAllocate(clusterer, mcLinearLabels);`
`1303`	`1303`	`runKernel<GPUTPCCFMCLabelFlattener, GPUTPCCFMCLabelFlattener::flatten>(GetGrid(GPUCA_ROW_COUNT, lane, GPUReconstruction::krnlDeviceType::CPU), {iSlice}, {}, &mcLinearLabels);`
	`1304`	`+ clusterer.clearMCMemory();`
`1304`	`1305`	`}`
`1305`	`1306`	`if (buildNativeHost && buildNativeGPU && anyLaneHasData) {`
`1306`	`1307`	`if (GetProcessingSettings().delayedOutput) {`