Phase2 L1 NN Tau #30505
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| #ifndef L1TRIGGER_PHASE2L1PARTICLEFLOW_L1NNTAU_H | ||
| #define L1TRIGGER_PHASE2L1PARTICLEFLOW_L1NNTAU_H | ||
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| #include <vector> | ||
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| #include "FWCore/Framework/interface/Frameworkfwd.h" | ||
| #include "FWCore/Framework/interface/stream/EDProducer.h" | ||
| #include "FWCore/Framework/interface/Event.h" | ||
| #include "FWCore/Framework/interface/MakerMacros.h" | ||
| #include "FWCore/ParameterSet/interface/ParameterSet.h" | ||
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| #include "DataFormats/L1TParticleFlow/interface/PFTau.h" | ||
| #include "DataFormats/L1TParticleFlow/interface/PFCandidate.h" | ||
| #include "L1Trigger/Phase2L1ParticleFlow/interface/TauNNId.h" | ||
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| using namespace l1t; | ||
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| class L1NNTauProducer : public edm::stream::EDProducer<> { | ||
| public: | ||
| explicit L1NNTauProducer(const edm::ParameterSet &); | ||
| ~L1NNTauProducer() override; | ||
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| private: | ||
| std::unique_ptr<TauNNId> fTauNNId_; | ||
| void addTau(const l1t::PFCandidate &iCand, | ||
| const l1t::PFCandidateCollection &iParts, | ||
| std::unique_ptr<PFTauCollection> &outputTaus); | ||
| float deltaR(const l1t::PFCandidate &iPart1, const l1t::PFCandidate &iPart2); | ||
| void produce(edm::Event &iEvent, const edm::EventSetup &iSetup) override; | ||
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| double fSeedPt_; | ||
| double fConeSize_; | ||
| double fTauSize_; | ||
| int fMaxTaus_; | ||
| int fNParticles_; | ||
| edm::EDGetTokenT<vector<l1t::PFCandidate> > fL1PFToken_; | ||
| }; | ||
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| #endif |
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| #ifndef L1TRIGGER_PHASE2L1PARTICLEFLOWS_TAUNNID_H | ||
| #define L1TRIGGER_PHASE2L1PARTICLEFLOWS_TAUNNID_H | ||
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| #include <string> | ||
| #include "PhysicsTools/TensorFlow/interface/TensorFlow.h" | ||
| #include "DataFormats/L1TParticleFlow/interface/PFCandidate.h" | ||
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| class TauNNId { | ||
| public: | ||
| TauNNId(); | ||
| ~TauNNId(); | ||
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| void initialize(const std::string &iName, const std::string &iWeightFile, int iNParticles); | ||
| void SetNNVectorVar(); | ||
| float EvaluateNN(); | ||
| float compute(const l1t::PFCandidate &iSeed, l1t::PFCandidateCollection &iParts); | ||
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| std::string fInput_; | ||
| int fNParticles_; | ||
| unique_ptr<float> fPt_; | ||
| unique_ptr<float> fEta_; | ||
| unique_ptr<float> fPhi_; | ||
| unique_ptr<float> fId_; | ||
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| private: | ||
| tensorflow::Session *session_; | ||
| tensorflow::GraphDef *graphDef_; | ||
| std::vector<float> NNvectorVar_; | ||
| }; | ||
| #endif | ||
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| #include "L1Trigger/Phase2L1ParticleFlow/interface/L1NNTauProducer.hh" | ||
| #include <TLorentzVector.h> | ||
| #include <cmath> | ||
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| L1NNTauProducer::L1NNTauProducer(const edm::ParameterSet& cfg) | ||
| : fSeedPt_(cfg.getParameter<double>("seedpt")), | ||
| fConeSize_(cfg.getParameter<double>("conesize")), | ||
| fTauSize_(cfg.getParameter<double>("tausize")), | ||
| fMaxTaus_(cfg.getParameter<int>("maxtaus")), | ||
| fNParticles_(cfg.getParameter<int>("nparticles")), | ||
| fL1PFToken_(consumes<vector<l1t::PFCandidate> >(cfg.getParameter<edm::InputTag>("L1PFObjects"))) { | ||
| std::string lNNFile = cfg.getParameter<std::string>("NNFileName"); //,"L1Trigger/Phase2L1Taus/data/tau_3layer.pb"); | ||
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| fTauNNId_ = std::make_unique<TauNNId>(); | ||
| if (lNNFile.find("v0") == std::string::npos) | ||
| fTauNNId_->initialize("input_1:0", lNNFile, fNParticles_); | ||
| else if (lNNFile.find("v0") != std::string::npos) | ||
| fTauNNId_->initialize("dense_1_input:0", lNNFile, fNParticles_); | ||
| produces<l1t::PFTauCollection>("L1PFTausNN"); | ||
| } | ||
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| void L1NNTauProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) { | ||
| edm::Handle<l1t::PFCandidateCollection> l1PFCandidates; | ||
| iEvent.getByToken(fL1PFToken_, l1PFCandidates); | ||
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| l1t::PFCandidateCollection pfChargedHadrons; | ||
| l1t::PFCandidateCollection pfChargedHadrons_sort; | ||
| l1t::PFCandidateCollection pfChargedHadrons_seeds; | ||
| for (const auto& l1PFCand : *l1PFCandidates) | ||
| if ((l1PFCand.id() == l1t::PFCandidate::ChargedHadron || l1PFCand.id() == l1t::PFCandidate::Electron) && | ||
| std::abs(l1PFCand.eta()) < 2.5) | ||
| pfChargedHadrons_sort.push_back(l1PFCand); | ||
| std::sort(pfChargedHadrons_sort.begin(), pfChargedHadrons_sort.end(), [](l1t::PFCandidate i, l1t::PFCandidate j) { | ||
| return (i.pt() > j.pt()); | ||
| }); | ||
| auto lTaus = std::make_unique<l1t::PFTauCollection>(); | ||
| if (pfChargedHadrons_sort.empty()) { | ||
| if (lTaus->empty()) { | ||
| PFTau dummy; | ||
| lTaus->push_back(dummy); | ||
| } | ||
| iEvent.put(std::move(lTaus), "L1PFTausNN"); | ||
| return; | ||
| } | ||
| pfChargedHadrons_seeds.push_back(pfChargedHadrons_sort[0]); | ||
| for (unsigned int i0 = 1; i0 < pfChargedHadrons_sort.size(); i0++) { | ||
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| bool pMatch = false; | ||
| for (unsigned int i1 = 0; i1 < pfChargedHadrons_seeds.size(); i1++) { | ||
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| if (deltaR(pfChargedHadrons_seeds[i1], pfChargedHadrons_sort[i0]) < fConeSize_) | ||
| pMatch = true; | ||
| } | ||
| if (pMatch) | ||
| continue; | ||
| pfChargedHadrons_seeds.push_back(pfChargedHadrons_sort[i0]); | ||
| if (int(pfChargedHadrons_seeds.size()) > fMaxTaus_ - 1) | ||
| break; | ||
| } | ||
| for (unsigned int i0 = 0; i0 < pfChargedHadrons_seeds.size(); i0++) { | ||
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| addTau(pfChargedHadrons_seeds[i0], (*l1PFCandidates), lTaus); | ||
| } | ||
| if (lTaus->empty()) { | ||
| PFTau dummy; | ||
| lTaus->push_back(dummy); | ||
| } | ||
| std::sort(lTaus->begin(), lTaus->end(), [](l1t::PFTau i, l1t::PFTau j) { return (i.pt() > j.pt()); }); | ||
| iEvent.put(std::move(lTaus), "L1PFTausNN"); | ||
| } | ||
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| // create taus based on grid structure | ||
| void L1NNTauProducer::addTau(const l1t::PFCandidate& iCand, | ||
| const l1t::PFCandidateCollection& iParts, | ||
| std::unique_ptr<l1t::PFTauCollection>& outputTaus) { | ||
| l1t::PFCandidateCollection pfTauCands; | ||
| TLorentzVector lTot; | ||
| lTot.SetPtEtaPhiM(0, 0, 0, 0); | ||
| TLorentzVector lCand; | ||
| lCand.SetPtEtaPhiM(0, 0, 0, 0); | ||
| int lId = 0; | ||
| for (auto l1PFCand : iParts) { | ||
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| if (deltaR(iCand, l1PFCand) > fConeSize_) | ||
| continue; | ||
| TLorentzVector pVec; | ||
| pVec.SetPtEtaPhiM(l1PFCand.pt(), l1PFCand.eta(), l1PFCand.phi(), 0); | ||
| lTot += pVec; | ||
| if (deltaR(iCand, l1PFCand) < fTauSize_ && | ||
| (l1PFCand.id() == l1t::PFCandidate::Electron || l1PFCand.id() == l1t::PFCandidate::ChargedHadron || | ||
| l1PFCand.id() == l1t::PFCandidate::Photon)) { | ||
| lId++; | ||
| lCand += pVec; | ||
| } | ||
| pfTauCands.push_back(l1PFCand); | ||
| } | ||
| if (lTot.Pt() < fSeedPt_) | ||
| return; | ||
| std::sort( | ||
| pfTauCands.begin(), pfTauCands.end(), [](l1t::PFCandidate i, l1t::PFCandidate j) { return (i.pt() > j.pt()); }); | ||
| float NN = fTauNNId_->compute(iCand, pfTauCands); | ||
| math::PtEtaPhiMLorentzVector tempP4(lCand.Pt(), lCand.Eta(), lCand.Phi(), lCand.M()); | ||
| l1t::PFTau l1PFTau(tempP4, NN, 0, lId); | ||
| outputTaus->push_back(l1PFTau); | ||
| } | ||
| float L1NNTauProducer::deltaR(const l1t::PFCandidate& iPart1, const l1t::PFCandidate& iPart2) { | ||
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| float delta_r = 20; | ||
| float pDPhi = fabs(iPart1.phi() - iPart2.phi()); | ||
| if (pDPhi > 2. * M_PI - pDPhi) | ||
| pDPhi = 2. * M_PI - pDPhi; | ||
| delta_r = sqrt((iPart1.eta() - iPart2.eta()) * (iPart1.eta() - iPart2.eta()) + pDPhi * pDPhi); | ||
| return delta_r; | ||
| } | ||
| L1NNTauProducer::~L1NNTauProducer() {} | ||
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| #include "FWCore/Framework/interface/MakerMacros.h" | ||
| DEFINE_FWK_MODULE(L1NNTauProducer); | ||
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| Original file line number | Diff line number | Diff line change |
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| import FWCore.ParameterSet.Config as cms | ||
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| L1NNTauProducer = cms.EDProducer("L1NNTauProducer", | ||
| seedpt = cms.double(20), | ||
| conesize = cms.double(0.4), | ||
| tausize = cms.double(0.1), | ||
| maxtaus = cms.int32(5), | ||
| nparticles = cms.int32(10), | ||
| L1PFObjects = cms.InputTag("L1PFProducer","l1pfCandidates"), | ||
| NNFileName = cms.string("L1Trigger/Phase2L1ParticleFlow/data/tau_3layer.pb") | ||
| ) | ||
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| L1NNTauProducerPuppi = cms.EDProducer("L1NNTauProducer", | ||
| seedpt = cms.double(20), | ||
| conesize = cms.double(0.4), | ||
| tausize = cms.double(0.1), | ||
| maxtaus = cms.int32(5), | ||
| nparticles = cms.int32(10), | ||
| L1PFObjects = cms.InputTag("L1PFProducer","l1pfCandidates"), | ||
| NNFileName = cms.string("L1Trigger/Phase2L1ParticleFlow/data/tau_3layer_puppi.pb") | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| #include "L1Trigger/Phase2L1ParticleFlow/interface/TauNNId.h" | ||
| #include "FWCore/ParameterSet/interface/FileInPath.h" | ||
| #include <cmath> | ||
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| TauNNId::TauNNId() { NNvectorVar_.clear(); } | ||
| TauNNId::~TauNNId() { | ||
| tensorflow::closeSession(session_); | ||
| delete graphDef_; | ||
| } | ||
| void TauNNId::initialize(const std::string &iInput, const std::string &iWeightFile, int iNParticles) { | ||
| edm::FileInPath fp(iWeightFile); | ||
| graphDef_ = tensorflow::loadGraphDef(fp.fullPath()); | ||
| session_ = tensorflow::createSession(graphDef_); | ||
| fNParticles_ = iNParticles; | ||
| fPt_ = std::make_unique<float>(fNParticles_); | ||
| fEta_ = std::make_unique<float>(fNParticles_); | ||
| fPhi_ = std::make_unique<float>(fNParticles_); | ||
| fId_ = std::make_unique<float>(fNParticles_); | ||
| fInput_ = iInput; | ||
| } | ||
| void TauNNId::SetNNVectorVar() { | ||
| NNvectorVar_.clear(); | ||
| for (int i0 = 0; i0 < fNParticles_; i0++) { | ||
| NNvectorVar_.push_back(fPt_.get()[i0]); //pT | ||
| NNvectorVar_.push_back(fEta_.get()[i0]); //dEta from jet axis | ||
| NNvectorVar_.push_back(fPhi_.get()[i0]); //dPhi from jet axis | ||
| if (fPt_.get()[i0] == 0) { | ||
| for (int i1 = 0; i1 < 5; i1++) | ||
| NNvectorVar_.push_back(0); | ||
| continue; | ||
| } | ||
| NNvectorVar_.push_back(fId_.get()[i0] == l1t::PFCandidate::Photon); // Photon | ||
| NNvectorVar_.push_back(fId_.get()[i0] == l1t::PFCandidate::Electron); // Electron | ||
| NNvectorVar_.push_back(fId_.get()[i0] == l1t::PFCandidate::Muon); // Muon | ||
| NNvectorVar_.push_back(fId_.get()[i0] == l1t::PFCandidate::NeutralHadron); // Neutral Had | ||
| NNvectorVar_.push_back(fId_.get()[i0] == l1t::PFCandidate::ChargedHadron); // Charged Had | ||
| } | ||
| } | ||
| float TauNNId::EvaluateNN() { | ||
| tensorflow::Tensor input(tensorflow::DT_FLOAT, | ||
| {1, (unsigned int)NNvectorVar_.size()}); //was {1,35} but get size mismatch, CHECK | ||
| for (unsigned int i = 0; i < NNvectorVar_.size(); i++) { | ||
| input.matrix<float>()(0, i) = float(NNvectorVar_[i]); | ||
| } | ||
| std::vector<tensorflow::Tensor> outputs; | ||
| tensorflow::run(session_, {{fInput_, input}}, {"dense_4/Sigmoid:0"}, &outputs); | ||
| float disc = outputs[0].matrix<float>()(0, 0); | ||
| return disc; | ||
| } //end EvaluateNN | ||
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| float TauNNId::compute(const l1t::PFCandidate &iSeed, l1t::PFCandidateCollection &iParts) { | ||
| for (int i0 = 0; i0 < fNParticles_; i0++) { | ||
| fPt_.get()[i0] = 0; | ||
| fEta_.get()[i0] = 0; | ||
| fPhi_.get()[i0] = 0; | ||
| fId_.get()[i0] = 0; | ||
| } | ||
| std::sort(iParts.begin(), iParts.end(), [](l1t::PFCandidate i, l1t::PFCandidate j) { return (i.pt() > j.pt()); }); | ||
| for (unsigned int i0 = 0; i0 < iParts.size(); i0++) { | ||
| if (i0 > 10) | ||
|
There was a problem hiding this comment. why is this hardcoded? is it the same as the "nparticles" python parameter? if so, just use that... |
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| break; | ||
| fPt_.get()[i0] = iParts[i0].pt(); | ||
| fEta_.get()[i0] = iSeed.eta() - iParts[i0].eta(); | ||
| float lDPhi = iSeed.phi() - iParts[i0].phi(); | ||
| if (lDPhi > M_PI) | ||
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| lDPhi -= M_PI; | ||
| if (lDPhi < -M_PI) | ||
| lDPhi += M_PI; | ||
| fPhi_.get()[i0] = lDPhi; | ||
| fId_.get()[i0] = iParts[i0].id(); | ||
| } | ||
| SetNNVectorVar(); | ||
| return EvaluateNN(); | ||
| } | ||
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How big is the graph? I think we've typically shared the graph across the stream modules in an
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also, a smart pointer could be used (though it seems like that isn't common practice for CMSSW TF code at the moment, something to be improved globally)