portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-14 05:07:05 +01:00
Code Releases Activity

Fixed an obscure but reproducible hang in the RHMC caused by the bounds check being activated by a random number that wasn't synchronized over the nodes

Browse Source 
HMC now also reports the "L-infinity norm" of the impulse, aka the largest site norm
This commit is contained in:
Christopher Kelly
2021-02-09 12:55:46 -05:00
parent c2676853ca
commit daa095c519
3 changed files with 22 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
HMC/DWF2p1fIwasakiGparity.cc
View File

@ -284,6 +284,7 @@ int main(int argc, char **argv) {
typedef typename FermionActionF::FermionField FermionFieldF;
typedef GeneralEvenOddRatioRationalMixedPrecPseudoFermionAction<FermionImplPolicyD,FermionImplPolicyF> MixedPrecRHMC;
typedef GeneralEvenOddRatioRationalPseudoFermionAction<FermionImplPolicyD> DoublePrecRHMC;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
IntegratorParameters MD;
@ -380,8 +381,10 @@ int main(int argc, char **argv) {
rat_act_params_l.precision= 60;
rat_act_params_l.MaxIter = 10000;
user_params.rat_quo_l.Export(rat_act_params_l);
std::cout << GridLogMessage << " Light quark bounds check every " << rat_act_params_l.BoundsCheckFreq << " trajectories (avg)" << std::endl;
MixedPrecRHMC Quotient_l(Denominator_lD, Numerator_lD, Denominator_lF, Numerator_lF, rat_act_params_l, user_params.rat_quo_l.reliable_update_freq);
//DoublePrecRHMC Quotient_l(Denominator_lD, Numerator_lD, rat_act_params_l);
Level1.push_back(&Quotient_l);
@ -399,8 +402,10 @@ int main(int argc, char **argv) {
rat_act_params_s.precision= 60;
rat_act_params_s.MaxIter = 10000;
user_params.rat_quo_s.Export(rat_act_params_s);
std::cout << GridLogMessage << " Heavy quark bounds check every " << rat_act_params_l.BoundsCheckFreq << " trajectories (avg)" << std::endl;
MixedPrecRHMC Quotient_s(Denominator_sD, Numerator_sD, Denominator_sF, Numerator_sF, rat_act_params_s, user_params.rat_quo_s.reliable_update_freq);
//DoublePrecRHMC Quotient_s(Denominator_sD, Numerator_sD, rat_act_params_s);
Level1.push_back(&Quotient_s);
@ -435,8 +440,8 @@ int main(int argc, char **argv) {
TheHMC.initializeGaugeFieldAndRNGs(Ud);
if(eigenrange_l) computeEigenvalues<FermionActionD, FermionFieldD>(lanc_params_l, FGridD, FrbGridD, Ud, Numerator_lD, TheHMC.Resources.GetParallelRNG());
if(eigenrange_s) computeEigenvalues<FermionActionD, FermionFieldD>(lanc_params_s, FGridD, FrbGridD, Ud, Numerator_sD, TheHMC.Resources.GetParallelRNG());
if(tune_rhmc_l) checkRHMC<FermionActionD, FermionFieldD, MixedPrecRHMC>(FGridD, FrbGridD, Ud, Numerator_lD, Denominator_lD, Quotient_l, TheHMC.Resources.GetParallelRNG(), 2, "light");
if(tune_rhmc_s) checkRHMC<FermionActionD, FermionFieldD, MixedPrecRHMC>(FGridD, FrbGridD, Ud, Numerator_sD, Denominator_sD, Quotient_s, TheHMC.Resources.GetParallelRNG(), 4, "strange");
if(tune_rhmc_l) checkRHMC<FermionActionD, FermionFieldD, decltype(Quotient_l)>(FGridD, FrbGridD, Ud, Numerator_lD, Denominator_lD, Quotient_l, TheHMC.Resources.GetParallelRNG(), 2, "light");
if(tune_rhmc_s) checkRHMC<FermionActionD, FermionFieldD, decltype(Quotient_s)>(FGridD, FrbGridD, Ud, Numerator_sD, Denominator_sD, Quotient_s, TheHMC.Resources.GetParallelRNG(), 4, "strange");
std::cout << GridLogMessage << " Done" << std::endl;
Grid_finalize();