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EntropyEncoderSpec.cxx
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82 lines (69 loc) · 2.95 KB
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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.
/// @file EntropyEncoderSpec.cxx
#include <vector>
#include "Framework/ControlService.h"
#include "Framework/ConfigParamRegistry.h"
#include "TOFBase/Digit.h"
#include "TOFWorkflowUtils/EntropyEncoderSpec.h"
using namespace o2::framework;
namespace o2
{
namespace tof
{
EntropyEncoderSpec::EntropyEncoderSpec()
{
mTimer.Stop();
mTimer.Reset();
}
void EntropyEncoderSpec::init(o2::framework::InitContext& ic)
{
std::string dictPath = ic.options().get<std::string>("ctf-dict");
if (!dictPath.empty() && dictPath != "none") {
mCTFCoder.createCoders(dictPath, o2::ctf::CTFCoderBase::OpType::Encoder);
}
}
void EntropyEncoderSpec::run(ProcessingContext& pc)
{
auto cput = mTimer.CpuTime();
mTimer.Start(false);
auto compDigits = pc.inputs().get<gsl::span<Digit>>("compDigits");
auto pspan = pc.inputs().get<gsl::span<uint8_t>>("patterns");
auto rofs = pc.inputs().get<gsl::span<ReadoutWindowData>>("ROframes");
auto& buffer = pc.outputs().make<std::vector<o2::ctf::BufferType>>(Output{o2::header::gDataOriginTOF, "CTFDATA", 0, Lifetime::Timeframe});
mCTFCoder.encode(buffer, rofs, compDigits, pspan);
auto eeb = CTF::get(buffer.data()); // cast to container pointer
eeb->compactify(); // eliminate unnecessary padding
buffer.resize(eeb->size()); // shrink buffer to strictly necessary size
// eeb->print();
mTimer.Stop();
LOG(INFO) << "Created encoded data of size " << eeb->size() << " for TOF in " << mTimer.CpuTime() - cput << " s";
}
void EntropyEncoderSpec::endOfStream(EndOfStreamContext& ec)
{
LOGF(INFO, "TOF Entropy Encoding total timing: Cpu: %.3e Real: %.3e s in %d slots",
mTimer.CpuTime(), mTimer.RealTime(), mTimer.Counter() - 1);
}
DataProcessorSpec getEntropyEncoderSpec()
{
std::vector<InputSpec> inputs;
inputs.emplace_back("compDigits", o2::header::gDataOriginTOF, "DIGITS", 0, Lifetime::Timeframe);
inputs.emplace_back("patterns", o2::header::gDataOriginTOF, "PATTERNS", 0, Lifetime::Timeframe);
inputs.emplace_back("ROframes", o2::header::gDataOriginTOF, "READOUTWINDOW", 0, Lifetime::Timeframe);
return DataProcessorSpec{
"tof-entropy-encoder",
inputs,
Outputs{{o2::header::gDataOriginTOF, "CTFDATA", 0, Lifetime::Timeframe}},
AlgorithmSpec{adaptFromTask<EntropyEncoderSpec>()},
Options{{"ctf-dict", VariantType::String, o2::base::NameConf::getCTFDictFileName(), {"File of CTF encoding dictionary"}}}};
}
} // namespace tof
} // namespace o2