TPC: move nthreads to local option

Author: matthias-kleiner

Detectors/TPC/workflow/include/TPCWorkflow/TPCFourierTransformAggregatorSpec.h

@@ -64,6 +64,8 @@ class TPCFourierTransformAggregatorSpec : public o2::framework::Task
     mLengthIDCScalerSeconds = ic.options().get<float>("tpcScalerLengthS");
     mDisableScaler = ic.options().get<bool>("disable-scaler");
     mEnableFFTCCDB = ic.options().get<bool>("enable-fft-CCDB");
+    int nthreads = ic.options().get<int>("nthreads");
+    TPCFourierTransformAggregatorSpec::IDCFType::setNThreads(nthreads);
     resizeBuffer(mInputLanes);
   }
 
@@ -448,7 +450,8 @@ DataProcessorSpec getTPCFourierTransformAggregatorSpec(const unsigned int rangeI
             {"dump-coefficients-agg", VariantType::Bool, false, {"Dump fourier coefficients to file"}},
             {"tpcScalerLengthS", VariantType::Float, 300.f, {"Length of the TPC scalers in seconds"}},
             {"disable-scaler", VariantType::Bool, false, {"Disable creation of IDC scaler"}},
-            {"enable-fft-CCDB", VariantType::Bool, false, {"Enable writing of FFT coefficients to CCDB"}}}};
+            {"enable-fft-CCDB", VariantType::Bool, false, {"Enable writing of FFT coefficients to CCDB"}},
+            {"nthreads", VariantType::Int, 1, {"Number of threads which will be used during the calculation of the fourier coefficients."}}}};
 }
 
 } // namespace o2::tpc

Detectors/TPC/workflow/src/tpc-fouriertransform-aggregator.cxx

@@ -26,7 +26,6 @@ void customize(std::vector<ConfigParamSpec>& workflowOptions)
   std::vector<ConfigParamSpec> options{
     {"rangeIDC", VariantType::Int, 200, {"Number of 1D-IDCs which will be used for the calculation of the fourier coefficients. TODO ALREADY SET IN ABERAGEGROUP"}},
     {"nFourierCoeff", VariantType::Int, 60, {"Number of fourier coefficients (real+imag) which will be stored in the CCDB. The maximum can be 'rangeIDC + 2'."}},
-    {"nthreads", VariantType::Int, 1, {"Number of threads which will be used during the calculation of the fourier coefficients."}},
     {"inputLanes", VariantType::Int, 2, {"Number of expected input lanes."}},
     {"sendOutput", VariantType::Bool, false, {"send fourier coefficients"}},
     {"use-naive-fft", VariantType::Bool, false, {"using naive fourier transform (true) or FFTW (false)"}},
@@ -51,8 +50,6 @@ WorkflowSpec defineDataProcessing(ConfigContext const& config)
   const bool processSACs = config.options().get<bool>("process-SACs");
   const auto rangeIDC = static_cast<unsigned int>(config.options().get<int>("rangeIDC"));
   const auto nFourierCoeff = std::clamp(static_cast<unsigned int>(config.options().get<int>("nFourierCoeff")), static_cast<unsigned int>(0), rangeIDC + 2);
-  const auto nthreadsFourier = static_cast<unsigned long>(config.options().get<int>("nthreads"));
-  TPCFourierTransformAggregatorSpec::IDCFType::setNThreads(nthreadsFourier);
   TPCFourierTransformAggregatorSpec::IDCFType::setFFT(!fft);
   const auto inputLanes = config.options().get<int>("inputLanes");
   WorkflowSpec workflow{getTPCFourierTransformAggregatorSpec(rangeIDC, nFourierCoeff, sendOutput, processSACs, inputLanes)};