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Improved parallel RNG init

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paboyle
2017-12-05 13:01:10 +00:00
parent a14038051f
commit c24d4c8d0e
1 changed files with 2 additions and 0 deletions
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2
lib/lattice/Lattice_rng.h
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@@ -159,9 +159,11 @@ namespace Grid {
// and margin of safety is orders of magnitude.
// We could hack Sitmo to skip in the higher order words of state if necessary
/////////////////////////////////////////////////////////////////////////////////////
// uint64_t skip = site+1; // Old init Skipped then drew. Checked compat with faster init
uint64_t skip = site;
skip = skip<<40;
eng.discard(skip);
// std::cout << " Engine " <<site << " state " <<eng<<std::endl;
}
#endif
static RngEngine Reseed(RngEngine &eng)