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GPU: Implement TPC timebin cut during ZS decoding. #14837

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Merged
davidrohr merged 1 commit into from
Dec 1, 2025
Merged

GPU: Implement TPC timebin cut during ZS decoding. #14837

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14 changes: 10 additions & 4 deletions GPU/GPUTracking/Global/GPUChainTrackingClusterizer.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -588,7 +588,8 @@ int32_t GPUChainTracking::RunTPCClusterizer(bool synchronizeOutput)
return ForwardTPCDigits();
}
#ifdef GPUCA_TPC_GEOMETRY_O2
[[maybe_unused]] int32_t tpcTimeBinCut = (mUpdateNewCalibObjects && mNewCalibValues->newTPCTimeBinCut) ? mNewCalibValues->tpcTimeBinCut : param().tpcCutTimeBin; // TODO: Implement time bin cut fultering
int32_t tpcTimeBinCut = (mUpdateNewCalibObjects && mNewCalibValues->newTPCTimeBinCut) ? mNewCalibValues->tpcTimeBinCut : param().tpcCutTimeBin;

mRec->PushNonPersistentMemory(qStr2Tag("TPCCLUST"));
const auto& threadContext = GetThreadContext();
const bool doGPU = GetRecoStepsGPU() & RecoStep::TPCClusterFinding;
Expand Down Expand Up @@ -911,13 +912,13 @@ int32_t GPUChainTracking::RunTPCClusterizer(bool synchronizeOutput)
break;
case ZSVersionRowBased10BitADC:
case ZSVersionRowBased12BitADC:
runKernel<GPUTPCCFDecodeZS>({GetGridBlk(nBlocks, lane), {iSector}}, firstHBF);
runKernel<GPUTPCCFDecodeZS>({GetGridBlk(nBlocks, lane), {iSector}}, firstHBF, tpcTimeBinCut);
break;
case ZSVersionLinkBasedWithMeta:
runKernel<GPUTPCCFDecodeZSLink>({GetGridBlk(nBlocks, lane), {iSector}}, firstHBF);
runKernel<GPUTPCCFDecodeZSLink>({GetGridBlk(nBlocks, lane), {iSector}}, firstHBF, tpcTimeBinCut);
break;
case ZSVersionDenseLinkBased:
runKernel<GPUTPCCFDecodeZSDenseLink>({GetGridBlk(nBlocks, lane), {iSector}}, firstHBF);
runKernel<GPUTPCCFDecodeZSDenseLink>({GetGridBlk(nBlocks, lane), {iSector}}, firstHBF, tpcTimeBinCut);
break;
}
TransferMemoryResourceLinkToHost(RecoStep::TPCClusterFinding, clusterer.mMemoryId, lane);
Expand Down Expand Up @@ -1273,6 +1274,11 @@ int32_t GPUChainTracking::RunTPCClusterizer(bool synchronizeOutput)
mTriggerBuffer->triggers.clear();
}

// Number of clusters is logged by tracking. This ensures clusters are still printed if it's not running
if (!(GetRecoSteps() & GPUDataTypes::RecoStep::TPCSectorTracking)) {
GPUInfo("Event has %zu TPC Clusters", nClsTotal);
}

ClusterNativeAccess::ConstMCLabelContainerView* mcLabelsConstView = nullptr;
if (propagateMCLabels) {
// TODO: write to buffer directly
Expand Down
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