portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-13 20:57:06 +01:00
Code Releases Activity

HMC bit repro across checkpoints. Fixed parallel RNG issue with threading.

Browse Source 
Conclusion: c++11 distributions not thread safe and must us distinct dist as well as distinct engine
per site. Makes sense when you think of box muller. Also added a reset of dist on fill to ensure
repro across checkpoints.
This commit is contained in:
paboyle
2015-12-22 08:54:40 +00:00
parent 0abfbcc8eb
commit 08edbb5cbe
7 changed files with 210 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/qcd/action/gauge/WilsonGaugeAction.h
View File

@ -22,10 +22,10 @@ namespace Grid{
virtual RealD S(const GaugeField &U) {
RealD plaq = WilsonLoops<GaugeField>::avgPlaquette(U);
std::cout<<GridLogMessage << "Plaq : "<<plaq << "\n";
// std::cout<<GridLogMessage << "Plaq : "<<plaq << "\n";
RealD vol = U._grid->gSites();
RealD action=beta*(1.0 -plaq)*(Nd*(Nd-1.0))*vol*0.5;
std::cout << GridLogMessage << "WilsonGauge action "<<action<<std::endl;
// std::cout << GridLogMessage << "WilsonGauge action "<<action<<std::endl;
return action;
};