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NN clusterizer: Adding sigma=0 cluster handling #14610

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Merged
davidrohr merged 3 commits into from
Aug 22, 2025
Merged

NN clusterizer: Adding sigma=0 cluster handling #14610

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4e7c98d
Adding sigma=0 cluster handling
ChSonnabend Aug 21, 2025
9afca78
fix
ChSonnabend Aug 21, 2025
c33bca2
fix
ChSonnabend Aug 21, 2025
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16 changes: 12 additions & 4 deletions GPU/GPUTracking/TPCClusterFinder/GPUTPCNNClusterizerKernels.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -360,20 +360,28 @@ GPUdii() void GPUTPCNNClusterizerKernels::Thread<GPUTPCNNClusterizerKernels::pub
return;
}

bool notSinglePad = false, notSingleTime = false;
for (uint16_t i = 0; i < 8; i++) {
Delta2 d = cfconsts::InnerNeighbors[i];
CfChargePos tmp_pos = peak.delta(d);
notSinglePad |= (d.x != 0) && (static_cast<float>(chargeMap[tmp_pos].unpack()) > 0);
notSingleTime |= (d.y != 0) && (static_cast<float>(chargeMap[tmp_pos].unpack()) > 0);
}

if (dtype == 0) {
pc.setFull(central_charge * clustererNN.mOutputDataReg1_16[model_output_index + 4].ToFloat(),
static_cast<float>(peak.pad()) + clustererNN.mOutputDataReg1_16[model_output_index].ToFloat(),
clustererNN.mOutputDataReg1_16[model_output_index + 2].ToFloat(),
notSinglePad ? clustererNN.mOutputDataReg1_16[model_output_index + 2].ToFloat() : 0.f,
(clusterer.mPmemory->fragment).start + static_cast<float>(peak.time()) + clustererNN.mOutputDataReg1_16[model_output_index + 1].ToFloat(),
clustererNN.mOutputDataReg1_16[model_output_index + 3].ToFloat(),
notSingleTime ? clustererNN.mOutputDataReg1_16[model_output_index + 3].ToFloat() : 0.f,
clustererNN.mClusterFlags[2 * glo_idx],
clustererNN.mClusterFlags[2 * glo_idx + 1]);
} else if (dtype == 1) {
pc.setFull(central_charge * clustererNN.mOutputDataReg1_32[model_output_index + 4],
static_cast<float>(peak.pad()) + clustererNN.mOutputDataReg1_32[model_output_index],
clustererNN.mOutputDataReg1_32[model_output_index + 2],
notSinglePad ? clustererNN.mOutputDataReg1_32[model_output_index + 2] : 0.f,
(clusterer.mPmemory->fragment).start + static_cast<float>(peak.time()) + clustererNN.mOutputDataReg1_32[model_output_index + 1],
clustererNN.mOutputDataReg1_32[model_output_index + 3],
notSingleTime ? clustererNN.mOutputDataReg1_32[model_output_index + 3] : 0.f,
clustererNN.mClusterFlags[2 * glo_idx],
clustererNN.mClusterFlags[2 * glo_idx + 1]);
}
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