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feat: Exa.TrkX with torchscript backend (#1473)
This PR is a big update to the Exa.TrkX plugin: * It now provides both a TorchScript-based and a ONNX-based backend (the ONNX one doesn't really work at the moment due to missing operators in Onnx, however, we should'nt throw away the code for this I think) * Partial integration of Acts logging instead of `std::cout` based things * The `TrajectoriesToProtoTracks` algorithm to be able to compare results of the CKF and the Exa.TrkkX track finding * Update python to support all of this * The dependency to FRNN is now managed by CMake's `FetchContent` mechanism * The CI routines are restrucutured * no build in the github workflows anymore * Build and check both backends in the CI bridge Co-authored-by: Andreas Stefl <487211+andiwand@users.noreply.github.com>
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40 changes: 40 additions & 0 deletions
40
...s/Algorithms/TrackFinding/include/ActsExamples/TrackFinding/TrajectoriesToPrototracks.hpp
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| // This file is part of the Acts project. | ||
| // | ||
| // Copyright (C) 2022 CERN for the benefit of the Acts project | ||
| // | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
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| #include "ActsExamples/Framework/BareAlgorithm.hpp" | ||
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| namespace ActsExamples { | ||
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| class TrajectoriesToPrototracks final : public BareAlgorithm { | ||
| public: | ||
| struct Config { | ||
| std::string inputTrajectories = "trajectories"; | ||
| std::string outputPrototracks = "tracks-from-trajectories"; | ||
| }; | ||
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| /// Construct the algorithm. | ||
| /// | ||
| /// @param cfg is the algorithm configuration | ||
| /// @param lvl is the logging level | ||
| TrajectoriesToPrototracks(Config cfg, Acts::Logging::Level lvl) | ||
| : BareAlgorithm("TrajectoriesToPrototracks", lvl), m_cfg(cfg) {} | ||
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| /// Run the algorithm. | ||
| /// | ||
| /// @param ctx is the algorithm context with event information | ||
| /// @return a process code indication success or failure | ||
| ProcessCode execute(const AlgorithmContext& ctx) const final override; | ||
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| /// Const access to the config | ||
| const Config& config() const { return m_cfg; } | ||
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| private: | ||
| Config m_cfg; | ||
| }; | ||
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| } // namespace ActsExamples |
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Examples/Algorithms/TrackFinding/src/TrajectoriesToPrototracks.cpp
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,49 @@ | ||
| // This file is part of the Acts project. | ||
| // | ||
| // Copyright (C) 2022 CERN for the benefit of the Acts project | ||
| // | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
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| #include "ActsExamples/TrackFinding/TrajectoriesToPrototracks.hpp" | ||
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| #include "ActsExamples/EventData/IndexSourceLink.hpp" | ||
| #include "ActsExamples/EventData/ProtoTrack.hpp" | ||
| #include "ActsExamples/EventData/Trajectories.hpp" | ||
| #include "ActsExamples/Framework/WhiteBoard.hpp" | ||
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| namespace ActsExamples { | ||
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| ProcessCode TrajectoriesToPrototracks::execute( | ||
| const AlgorithmContext& ctx) const { | ||
| const auto trajectories = | ||
| ctx.eventStore.get<TrajectoriesContainer>(m_cfg.inputTrajectories); | ||
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| ProtoTrackContainer tracks; | ||
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| for (const auto& trajectory : trajectories) { | ||
| for (const auto tip : trajectory.tips()) { | ||
| ProtoTrack track; | ||
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| trajectory.multiTrajectory().visitBackwards(tip, [&](const auto& state) { | ||
| if (not state.typeFlags().test(Acts::TrackStateFlag::MeasurementFlag)) { | ||
| return true; | ||
| } | ||
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| const auto& source_link = | ||
| static_cast<const IndexSourceLink&>(state.uncalibrated()); | ||
| track.push_back(source_link.index()); | ||
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| return true; | ||
| }); | ||
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| tracks.push_back(track); | ||
| } | ||
| } | ||
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| ctx.eventStore.add(m_cfg.outputPrototracks, std::move(tracks)); | ||
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| return ProcessCode::SUCCESS; | ||
| } | ||
| } // namespace ActsExamples |
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