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Common: put the namespace-scope constants in the constant address space #15825

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ktf merged 1 commit into from
Sep 22, 2026
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Common: put the namespace-scope constants in the constant address space #15825

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14 changes: 7 additions & 7 deletions Common/Constants/include/CommonConstants/LHCConstants.h
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Expand Up @@ -30,13 +30,13 @@ enum BeamDirection : int { BeamA, // beamA = beam 0,
NBeamDirections,
InteractingBC = -1 // as used in the BunchFilling class
};
GPUglobalconstexpr() int LHCMaxBunches = 3564; // max N bunches
constexpr double LHCRFFreq = 400.789e6; // LHC RF frequency in Hz
constexpr double LHCBunchSpacingNS = 10 * 1.e9 / LHCRFFreq; // bunch spacing in ns (10 RFbuckets)
constexpr double LHCOrbitNS = LHCMaxBunches * LHCBunchSpacingNS; // orbit duration in ns
constexpr double LHCRevFreq = 1.e9 / LHCOrbitNS; // revolution frequency
constexpr double LHCBunchSpacingMUS = LHCBunchSpacingNS * 1e-3; // bunch spacing in \mus (10 RFbuckets)
constexpr double LHCOrbitMUS = LHCOrbitNS * 1e-3; // orbit duration in \mus
GPUglobalconstexpr() int LHCMaxBunches = 3564; // max N bunches
GPUglobalconstexpr() double LHCRFFreq = 400.789e6; // LHC RF frequency in Hz
GPUglobalconstexpr() double LHCBunchSpacingNS = 10 * 1.e9 / LHCRFFreq; // bunch spacing in ns (10 RFbuckets)
GPUglobalconstexpr() double LHCOrbitNS = LHCMaxBunches * LHCBunchSpacingNS; // orbit duration in ns
GPUglobalconstexpr() double LHCRevFreq = 1.e9 / LHCOrbitNS; // revolution frequency
GPUglobalconstexpr() double LHCBunchSpacingMUS = LHCBunchSpacingNS * 1e-3; // bunch spacing in \mus (10 RFbuckets)
GPUglobalconstexpr() double LHCOrbitMUS = LHCOrbitNS * 1e-3; // orbit duration in \mus
GPUglobalconstexpr() unsigned int MaxNOrbits = 0xffffffff;

// Offsets of A, C beam bunches at P2
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276 changes: 139 additions & 137 deletions Common/Constants/include/CommonConstants/PhysicsConstants.h
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Expand Up @@ -18,6 +18,8 @@
#ifndef ALICEO2_PHYSICSCONSTANTS_H_
#define ALICEO2_PHYSICSCONSTANTS_H_

#include "GPUCommonDef.h"

namespace o2::constants::physics
{
// particles masses
Expand Down Expand Up @@ -102,153 +104,153 @@ enum Pdg {
};

/// \brief Declarations of masses for additional particles
constexpr double MassEta = 0.547862;
constexpr double MassOmega = 0.78266;
constexpr double MassEtaPrime = 0.95778;
constexpr double MassB0 = 5.27966;
constexpr double MassB0Bar = 5.27966;
constexpr double MassBPlus = 5.27934;
constexpr double MassBCPlus = 6.27447;
constexpr double MassBS = 5.36692;
constexpr double MassBSBar = 5.36692;
constexpr double MassD0 = 1.86484;
constexpr double MassD0Bar = 1.86484;
constexpr double MassD0StarPlus = 2.272;
constexpr double MassD0Star0 = 2.343;
constexpr double MassD1Plus = 2.372;
constexpr double MassD10 = 2.412;
constexpr double MassD2StarPlus = 2.4601;
constexpr double MassD2Star0 = 2.4611;
constexpr double MassDMinus = 1.86966;
constexpr double MassDPlus = 1.86966;
constexpr double MassDS = 1.96835;
constexpr double MassDSBar = 1.96835;
constexpr double MassDSStar = 2.1122;
constexpr double MassDS1 = 2.53511;
constexpr double MassDS1Star2700 = 2.714;
constexpr double MassDS1Star2860 = 2.859;
constexpr double MassDS2Star = 2.5691;
constexpr double MassDS3Star2860 = 2.86;
constexpr double MassDStar = 2.01026;
constexpr double MassDStar0 = 2.00685;
constexpr double MassChiC1 = 3.51067;
constexpr double MassJPsi = 3.0969;
constexpr double MassLambdaB0 = 5.6196;
constexpr double MassLambdaCPlus = 2.28646;
constexpr double MassLambdaCPlus2860 = 2.8561;
constexpr double MassLambdaCPlus2880 = 2.8816;
constexpr double MassLambdaCPlus2940 = 2.9396;
constexpr double MassOmegaC0 = 2.6952;
constexpr double MassK0Star892 = 0.89555;
constexpr double MassKPlusStar892 = 0.89167;
constexpr double MassPhi = 1.019461;
constexpr double MassSigmaC0 = 2.45375;
constexpr double MassSigmaCPlusPlus = 2.45397;
constexpr double MassSigmaCStar0 = 2.51848;
constexpr double MassSigmaCStarPlusPlus = 2.51841;
constexpr double MassX3872 = 3.87165;
constexpr double MassXi0 = 1.31486;
constexpr double MassXiB0 = 5.7919;
constexpr double MassXiCCPlusPlus = 3.62155;
constexpr double MassXiCPlus = 2.46771;
constexpr double MassXiC0 = 2.47044;
constexpr double MassXiC3055Plus = 3.0559;
constexpr double MassXiC3080Plus = 3.0772;
constexpr double MassXiC3055_0 = 3.059;
constexpr double MassXiC3080_0 = 3.0799;
constexpr double MassDeuteron = 1.87561294257;
constexpr double MassTriton = 2.80892113298;
constexpr double MassHelium3 = 2.80839160743;
constexpr double MassAlpha = 3.7273794066;
constexpr double MassLithium4 = 3.7513;
constexpr double MassHyperTriton = 2.991134;
constexpr double MassHyperHydrogen4 = 3.922434;
constexpr double MassHyperHelium4 = 3.921728;
constexpr double MassHyperHelium5 = 4.839961;
constexpr double MassHyperHelium4Sigma = 3.995;
constexpr double MassLambda1520_Py = 1.5195;
constexpr double MassK1_1270_0 = 1.253;
constexpr double MassK1_1270Plus = 1.272;
constexpr double MassCDeuteron = 3.226;
GPUglobalconstexpr() double MassEta = 0.547862;
GPUglobalconstexpr() double MassOmega = 0.78266;
GPUglobalconstexpr() double MassEtaPrime = 0.95778;
GPUglobalconstexpr() double MassB0 = 5.27966;
GPUglobalconstexpr() double MassB0Bar = 5.27966;
GPUglobalconstexpr() double MassBPlus = 5.27934;
GPUglobalconstexpr() double MassBCPlus = 6.27447;
GPUglobalconstexpr() double MassBS = 5.36692;
GPUglobalconstexpr() double MassBSBar = 5.36692;
GPUglobalconstexpr() double MassD0 = 1.86484;
GPUglobalconstexpr() double MassD0Bar = 1.86484;
GPUglobalconstexpr() double MassD0StarPlus = 2.272;
GPUglobalconstexpr() double MassD0Star0 = 2.343;
GPUglobalconstexpr() double MassD1Plus = 2.372;
GPUglobalconstexpr() double MassD10 = 2.412;
GPUglobalconstexpr() double MassD2StarPlus = 2.4601;
GPUglobalconstexpr() double MassD2Star0 = 2.4611;
GPUglobalconstexpr() double MassDMinus = 1.86966;
GPUglobalconstexpr() double MassDPlus = 1.86966;
GPUglobalconstexpr() double MassDS = 1.96835;
GPUglobalconstexpr() double MassDSBar = 1.96835;
GPUglobalconstexpr() double MassDSStar = 2.1122;
GPUglobalconstexpr() double MassDS1 = 2.53511;
GPUglobalconstexpr() double MassDS1Star2700 = 2.714;
GPUglobalconstexpr() double MassDS1Star2860 = 2.859;
GPUglobalconstexpr() double MassDS2Star = 2.5691;
GPUglobalconstexpr() double MassDS3Star2860 = 2.86;
GPUglobalconstexpr() double MassDStar = 2.01026;
GPUglobalconstexpr() double MassDStar0 = 2.00685;
GPUglobalconstexpr() double MassChiC1 = 3.51067;
GPUglobalconstexpr() double MassJPsi = 3.0969;
GPUglobalconstexpr() double MassLambdaB0 = 5.6196;
GPUglobalconstexpr() double MassLambdaCPlus = 2.28646;
GPUglobalconstexpr() double MassLambdaCPlus2860 = 2.8561;
GPUglobalconstexpr() double MassLambdaCPlus2880 = 2.8816;
GPUglobalconstexpr() double MassLambdaCPlus2940 = 2.9396;
GPUglobalconstexpr() double MassOmegaC0 = 2.6952;
GPUglobalconstexpr() double MassK0Star892 = 0.89555;
GPUglobalconstexpr() double MassKPlusStar892 = 0.89167;
GPUglobalconstexpr() double MassPhi = 1.019461;
GPUglobalconstexpr() double MassSigmaC0 = 2.45375;
GPUglobalconstexpr() double MassSigmaCPlusPlus = 2.45397;
GPUglobalconstexpr() double MassSigmaCStar0 = 2.51848;
GPUglobalconstexpr() double MassSigmaCStarPlusPlus = 2.51841;
GPUglobalconstexpr() double MassX3872 = 3.87165;
GPUglobalconstexpr() double MassXi0 = 1.31486;
GPUglobalconstexpr() double MassXiB0 = 5.7919;
GPUglobalconstexpr() double MassXiCCPlusPlus = 3.62155;
GPUglobalconstexpr() double MassXiCPlus = 2.46771;
GPUglobalconstexpr() double MassXiC0 = 2.47044;
GPUglobalconstexpr() double MassXiC3055Plus = 3.0559;
GPUglobalconstexpr() double MassXiC3080Plus = 3.0772;
GPUglobalconstexpr() double MassXiC3055_0 = 3.059;
GPUglobalconstexpr() double MassXiC3080_0 = 3.0799;
GPUglobalconstexpr() double MassDeuteron = 1.87561294257;
GPUglobalconstexpr() double MassTriton = 2.80892113298;
GPUglobalconstexpr() double MassHelium3 = 2.80839160743;
GPUglobalconstexpr() double MassAlpha = 3.7273794066;
GPUglobalconstexpr() double MassLithium4 = 3.7513;
GPUglobalconstexpr() double MassHyperTriton = 2.991134;
GPUglobalconstexpr() double MassHyperHydrogen4 = 3.922434;
GPUglobalconstexpr() double MassHyperHelium4 = 3.921728;
GPUglobalconstexpr() double MassHyperHelium5 = 4.839961;
GPUglobalconstexpr() double MassHyperHelium4Sigma = 3.995;
GPUglobalconstexpr() double MassLambda1520_Py = 1.5195;
GPUglobalconstexpr() double MassK1_1270_0 = 1.253;
GPUglobalconstexpr() double MassK1_1270Plus = 1.272;
GPUglobalconstexpr() double MassCDeuteron = 3.226;

/// \brief Declarations of masses for particles in ROOT PDG_t
constexpr double MassDown = 0.00467;
constexpr double MassDownBar = 0.00467;
constexpr double MassUp = 0.00216;
constexpr double MassUpBar = 0.00216;
constexpr double MassStrange = 0.0934;
constexpr double MassStrangeBar = 0.0934;
constexpr double MassCharm = 1.27;
constexpr double MassCharmBar = 1.27;
constexpr double MassBottom = 4.18;
constexpr double MassBottomBar = 4.18;
constexpr double MassTop = 172.5;
constexpr double MassTopBar = 172.5;
constexpr double MassGluon = 0.0;
constexpr double MassElectron = 0.000510999;
constexpr double MassPositron = 0.000510999;
constexpr double MassNuE = 0.0;
constexpr double MassNuEBar = 0.0;
constexpr double MassMuonMinus = 0.1056584;
constexpr double MassMuonPlus = 0.1056584;
constexpr double MassNuMu = 0.0;
constexpr double MassNuMuBar = 0.0;
constexpr double MassTauMinus = 1.77686;
constexpr double MassTauPlus = 1.77686;
constexpr double MassNuTau = 0.0;
constexpr double MassNuTauBar = 0.0;
constexpr double MassGamma = 0.0;
constexpr double MassZ0 = 91.1876;
constexpr double MassWPlus = 80.377;
constexpr double MassWMinus = 80.377;
constexpr double MassPi0 = 0.1349768;
constexpr double MassK0Long = 0.497611;
constexpr double MassPiPlus = 0.1395704;
constexpr double MassPiMinus = 0.1395704;
constexpr double MassProton = 0.9382721;
constexpr double MassProtonBar = 0.9382721;
constexpr double MassNeutron = 0.9395654;
constexpr double MassNeutronBar = 0.9395654;
constexpr double MassK0Short = 0.497611;
constexpr double MassK0 = 0.497611;
constexpr double MassK0Bar = 0.497611;
constexpr double MassKPlus = 0.493677;
constexpr double MassKMinus = 0.493677;
constexpr double MassLambda0 = 1.115683;
constexpr double MassLambda0Bar = 1.115683;
constexpr double MassLambda1520 = 1.519;
constexpr double MassSigmaMinus = 1.197449;
constexpr double MassSigmaBarPlus = 1.197449;
constexpr double MassSigmaPlus = 1.18937;
constexpr double MassSigmaBarMinus = 1.18937;
constexpr double MassSigma0 = 1.192642;
constexpr double MassSigma0Bar = 1.192642;
constexpr double MassXiMinus = 1.32171;
constexpr double MassXiPlusBar = 1.32171;
constexpr double MassOmegaMinus = 1.67245;
constexpr double MassOmegaPlusBar = 1.67245;
GPUglobalconstexpr() double MassDown = 0.00467;
GPUglobalconstexpr() double MassDownBar = 0.00467;
GPUglobalconstexpr() double MassUp = 0.00216;
GPUglobalconstexpr() double MassUpBar = 0.00216;
GPUglobalconstexpr() double MassStrange = 0.0934;
GPUglobalconstexpr() double MassStrangeBar = 0.0934;
GPUglobalconstexpr() double MassCharm = 1.27;
GPUglobalconstexpr() double MassCharmBar = 1.27;
GPUglobalconstexpr() double MassBottom = 4.18;
GPUglobalconstexpr() double MassBottomBar = 4.18;
GPUglobalconstexpr() double MassTop = 172.5;
GPUglobalconstexpr() double MassTopBar = 172.5;
GPUglobalconstexpr() double MassGluon = 0.0;
GPUglobalconstexpr() double MassElectron = 0.000510999;
GPUglobalconstexpr() double MassPositron = 0.000510999;
GPUglobalconstexpr() double MassNuE = 0.0;
GPUglobalconstexpr() double MassNuEBar = 0.0;
GPUglobalconstexpr() double MassMuonMinus = 0.1056584;
GPUglobalconstexpr() double MassMuonPlus = 0.1056584;
GPUglobalconstexpr() double MassNuMu = 0.0;
GPUglobalconstexpr() double MassNuMuBar = 0.0;
GPUglobalconstexpr() double MassTauMinus = 1.77686;
GPUglobalconstexpr() double MassTauPlus = 1.77686;
GPUglobalconstexpr() double MassNuTau = 0.0;
GPUglobalconstexpr() double MassNuTauBar = 0.0;
GPUglobalconstexpr() double MassGamma = 0.0;
GPUglobalconstexpr() double MassZ0 = 91.1876;
GPUglobalconstexpr() double MassWPlus = 80.377;
GPUglobalconstexpr() double MassWMinus = 80.377;
GPUglobalconstexpr() double MassPi0 = 0.1349768;
GPUglobalconstexpr() double MassK0Long = 0.497611;
GPUglobalconstexpr() double MassPiPlus = 0.1395704;
GPUglobalconstexpr() double MassPiMinus = 0.1395704;
GPUglobalconstexpr() double MassProton = 0.9382721;
GPUglobalconstexpr() double MassProtonBar = 0.9382721;
GPUglobalconstexpr() double MassNeutron = 0.9395654;
GPUglobalconstexpr() double MassNeutronBar = 0.9395654;
GPUglobalconstexpr() double MassK0Short = 0.497611;
GPUglobalconstexpr() double MassK0 = 0.497611;
GPUglobalconstexpr() double MassK0Bar = 0.497611;
GPUglobalconstexpr() double MassKPlus = 0.493677;
GPUglobalconstexpr() double MassKMinus = 0.493677;
GPUglobalconstexpr() double MassLambda0 = 1.115683;
GPUglobalconstexpr() double MassLambda0Bar = 1.115683;
GPUglobalconstexpr() double MassLambda1520 = 1.519;
GPUglobalconstexpr() double MassSigmaMinus = 1.197449;
GPUglobalconstexpr() double MassSigmaBarPlus = 1.197449;
GPUglobalconstexpr() double MassSigmaPlus = 1.18937;
GPUglobalconstexpr() double MassSigmaBarMinus = 1.18937;
GPUglobalconstexpr() double MassSigma0 = 1.192642;
GPUglobalconstexpr() double MassSigma0Bar = 1.192642;
GPUglobalconstexpr() double MassXiMinus = 1.32171;
GPUglobalconstexpr() double MassXiPlusBar = 1.32171;
GPUglobalconstexpr() double MassOmegaMinus = 1.67245;
GPUglobalconstexpr() double MassOmegaPlusBar = 1.67245;

// END OF THE GENERATED BLOCK

// legacy names
constexpr double MassPhoton = MassGamma;
constexpr double MassMuon = MassMuonMinus;
constexpr double MassPionCharged = MassPiPlus;
constexpr double MassPionNeutral = MassPi0;
constexpr double MassKaonCharged = MassKPlus;
constexpr double MassKaonNeutral = MassK0;
constexpr double MassLambda = MassLambda0;
constexpr double MassHyperhydrog4 = MassHyperHydrogen4;
constexpr double MassHyperhelium4 = MassHyperHelium4;
constexpr double MassHyperhelium4sigma = MassHyperHelium4Sigma;
GPUglobalconstexpr() double MassPhoton = MassGamma;
GPUglobalconstexpr() double MassMuon = MassMuonMinus;
GPUglobalconstexpr() double MassPionCharged = MassPiPlus;
GPUglobalconstexpr() double MassPionNeutral = MassPi0;
GPUglobalconstexpr() double MassKaonCharged = MassKPlus;
GPUglobalconstexpr() double MassKaonNeutral = MassK0;
GPUglobalconstexpr() double MassLambda = MassLambda0;
GPUglobalconstexpr() double MassHyperhydrog4 = MassHyperHydrogen4;
GPUglobalconstexpr() double MassHyperhelium4 = MassHyperHelium4;
GPUglobalconstexpr() double MassHyperhelium4sigma = MassHyperHelium4Sigma;

// Light speed
constexpr float LightSpeedCm2S = 299792458.e2; // C in cm/s
constexpr float LightSpeedCm2NS = LightSpeedCm2S * 1e-9; // C in cm/ns
constexpr float LightSpeedCm2PS = LightSpeedCm2S * 1e-12; // C in cm/ps
GPUglobalconstexpr() float LightSpeedCm2S = 299792458.e2; // C in cm/s
GPUglobalconstexpr() float LightSpeedCm2NS = LightSpeedCm2S * 1e-9; // C in cm/ns
GPUglobalconstexpr() float LightSpeedCm2PS = LightSpeedCm2S * 1e-12; // C in cm/ps

// Light speed inverse
constexpr float invLightSpeedCm2PS = 1. / LightSpeedCm2PS; // 1/C in ps/cm
GPUglobalconstexpr() float invLightSpeedCm2PS = 1. / LightSpeedCm2PS; // 1/C in ps/cm

} // namespace o2::constants::physics

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2 changes: 1 addition & 1 deletion Common/Constants/include/CommonConstants/make_pdg_header.py
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Expand Up @@ -171,7 +171,7 @@ def mass(code):

def declare_mass(pdg, mass_type="double") -> str:
"""Returns a C++ declaration of a particle mass constant."""
return f"constexpr {mass_type} Mass{pdg.name[1:]} = {mass(pdg.value)};"
return f"GPUglobalconstexpr() {mass_type} Mass{pdg.name[1:]} = {mass(pdg.value)};"


def main():
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6 changes: 3 additions & 3 deletions DataFormats/Detectors/TPC/include/DataFormatsTPC/Defs.h
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Expand Up @@ -42,9 +42,9 @@ enum Side { A = 0,
GPUglobalconstexpr() unsigned char SECTORSPERSIDE = 18;
GPUglobalconstexpr() unsigned char SIDES = 2;

constexpr double PI = 3.14159265358979323846;
constexpr double TWOPI = 2. * PI;
constexpr double SECPHIWIDTH = TWOPI / 18.;
GPUglobalconstexpr() double PI = 3.14159265358979323846;
GPUglobalconstexpr() double TWOPI = 2. * PI;
GPUglobalconstexpr() double SECPHIWIDTH = TWOPI / 18.;

/// TPC ROC types
enum RocType { IROC = 0,
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