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

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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.
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paboyle
2015-12-22 08:54:40 +00:00
parent 0abfbcc8eb
commit 08edbb5cbe
7 changed files with 210 additions and 90 deletions
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lib/qcd/action/pseudofermion/TwoFlavourEvenOddRatio.h
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@ -61,7 +61,7 @@ namespace Grid{
FermionField tmp (NumOp.FermionRedBlackGrid());
gaussian(pRNG,eta);
pickCheckerboard(Even,etaEven,eta);
pickCheckerboard(Odd,etaOdd,eta);