entropy-encoder-workflow.cxx

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
#include "CommonUtils/ConfigurableParam.h"
#include "DetectorsCommonDataFormats/DetID.h"
#include "Framework/ConfigParamRegistry.h"
#include "Framework/ConfigParamSpec.h"
#include "Framework/ControlService.h"
#include "Framework/DataProcessorSpec.h"
#include "Framework/CCDBParamSpec.h"
#include "Framework/Task.h"
#include "MCHCTF/CTFCoder.h"
#include <TStopwatch.h>
#include <vector>
 
using namespace o2::framework;
 
namespace o2
{
namespace mch
{
 
class EntropyEncoderSpec : public o2::framework::Task
{
 public:
  EntropyEncoderSpec(bool selIR);
  ~EntropyEncoderSpec() override = default;
  void run(o2::framework::ProcessingContext& pc) final;
  void init(o2::framework::InitContext& ic) final;
  void endOfStream(o2::framework::EndOfStreamContext& ec) final;
  void finaliseCCDB(o2::framework::ConcreteDataMatcher& matcher, void* obj) final;
 
 private:
  o2::mch::CTFCoder mCTFCoder;
  bool mSelIR = false;
  TStopwatch mTimer;
};
 
EntropyEncoderSpec::EntropyEncoderSpec(bool selIR) : mCTFCoder(o2::ctf::CTFCoderBase::OpType::Encoder), mSelIR(selIR)
{
  mTimer.Stop();
  mTimer.Reset();
}
 
void EntropyEncoderSpec::finaliseCCDB(o2::framework::ConcreteDataMatcher& matcher, void* obj)
{
  if (mCTFCoder.finaliseCCDB<CTF>(matcher, obj)) {
    return;
  }
}
 
void EntropyEncoderSpec::init(o2::framework::InitContext& ic)
{
  mCTFCoder.init<CTF>(ic);
}
 
void EntropyEncoderSpec::run(ProcessingContext& pc)
{
  auto cput = mTimer.CpuTime();
  mTimer.Start(false);
  mCTFCoder.updateTimeDependentParams(pc, true);
  auto rofs = pc.inputs().get<gsl::span<o2::mch::ROFRecord>>("rofs", 0);
  auto digits = pc.inputs().get<gsl::span<o2::mch::Digit>>("digits", 0);
  if (mSelIR) {
    mCTFCoder.setSelectedIRFrames(pc.inputs().get<gsl::span<o2::dataformats::IRFrame>>("selIRFrames"));
  }
  auto& buffer = pc.outputs().make<std::vector<o2::ctf::BufferType>>(Output{"MCH", "CTFDATA", 0});
  auto iosize = mCTFCoder.encode(buffer, rofs, digits);
  pc.outputs().snapshot({"ctfrep", 0}, iosize);
  mTimer.Stop();
  LOG(info) << iosize.asString() << " in " << mTimer.CpuTime() - cput << " s";
}
 
void EntropyEncoderSpec::endOfStream(EndOfStreamContext& ec)
{
  LOGF(info, "MCH Entropy Encoding total timing: Cpu: %.3e Real: %.3e s in %d slots",
       mTimer.CpuTime(), mTimer.RealTime(), mTimer.Counter() - 1);
}
 
DataProcessorSpec getEntropyEncoderSpec(const char* specName, bool selIR)
{
  std::vector<InputSpec> inputs;
  inputs.emplace_back("rofs", "MCH", "DIGITROFS", 0, Lifetime::Timeframe);
  inputs.emplace_back("digits", "MCH", "DIGITS", 0, Lifetime::Timeframe);
  inputs.emplace_back("ctfdict", "MCH", "CTFDICT", 0, Lifetime::Condition, ccdbParamSpec("MCH/Calib/CTFDictionaryTree"));
  if (selIR) {
    inputs.emplace_back("selIRFrames", "CTF", "SELIRFRAMES", 0, Lifetime::Timeframe);
  }
  return DataProcessorSpec{
    specName,
    inputs,
    Outputs{{"MCH", "CTFDATA", 0, Lifetime::Timeframe},
            {{"ctfrep"}, "MCH", "CTFENCREP", 0, Lifetime::Timeframe}},
    AlgorithmSpec{adaptFromTask<EntropyEncoderSpec>(selIR)},
    Options{{"ctf-dict", VariantType::String, "ccdb", {"CTF dictionary: empty or ccdb=CCDB, none=no external dictionary otherwise: local filename"}},
            {"irframe-margin-bwd", VariantType::UInt32, 0u, {"margin in BC to add to the IRFrame lower boundary when selection is requested"}},
            {"irframe-margin-fwd", VariantType::UInt32, 0u, {"margin in BC to add to the IRFrame upper boundary when selection is requested"}},
            {"mem-factor", VariantType::Float, 1.f, {"Memory allocation margin factor"}},
            {"ans-version", VariantType::String, {"version of ans entropy coder implementation to use"}}}};
}
 
} // namespace mch
} // namespace o2
 
// ------------------------------------------------------------------
 
// we need to add workflow options before including Framework/runDataProcessing
void customize(std::vector<o2::framework::ConfigParamSpec>& workflowOptions)
{
  // option allowing to set parameters
  std::vector<ConfigParamSpec> options{
    ConfigParamSpec{"configKeyValues", VariantType::String, "", {"Semicolon separated key=value strings"}},
    ConfigParamSpec{"select-ir-frames", VariantType::Bool, false, {"Subscribe and filter according to external IR Frames"}}};
 
  std::swap(workflowOptions, options);
}
 
// ------------------------------------------------------------------
 
#include "Framework/runDataProcessing.h"
 
WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
{
  WorkflowSpec wf;
  // Update the (declared) parameters if changed from the command line
  o2::conf::ConfigurableParam::updateFromString(cfgc.options().get<std::string>("configKeyValues"));
  bool selIR = cfgc.options().get<bool>("select-ir-frames");
  wf.emplace_back(o2::mch::getEntropyEncoderSpec("mch-entropy-encoder", selIR));
  return wf;
}