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Rework of RNG to use C++11 random. Should work correctly maintaining parallel RNG across

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a machine. If a "fixedSeed" is used, randoms should be reproducible across different machine
decomposition since the generators are physically indexed and assigned in lexico ordering.
This commit is contained in:
Peter Boyle
2015-04-19 14:55:58 +01:00
parent f6ab726cef
commit 42f167ea37
7 changed files with 191 additions and 55 deletions
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9
lib/cartesian/Grid_cartesian_red_black.h
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@ -62,14 +62,17 @@ public:
_ostride.resize(_ndimension);
_istride.resize(_ndimension);
_osites = 1;
_isites = 1;
_fsites = _gsites = _osites = _isites = 1;
for(int d=0;d<_ndimension;d++){
_fdimensions[d] = dimensions[d];
_gdimensions[d] = _fdimensions[d];
_fsites = _fsites * _fdimensions[d];
_gsites = _gsites * _gdimensions[d];
if (d==0) _gdimensions[0] = _gdimensions[0]/2; // Remove a checkerboard
_ldimensions[d] = _gdimensions[d]/_processors[d];
// Use a reduced simd grid
_simd_layout[d] = simd_layout[d];
_rdimensions[d]= _ldimensions[d]/_simd_layout[d];