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Upgrade of the Britney test with flight recorder and fast xor checksum

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Peter Boyle
2024-03-22 15:39:27 +00:00
parent 6f59fed563
commit e49e95b037
1 changed files with 16 additions and 4 deletions
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20
Grid/lattice/Lattice_reduction.h
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@@ -285,13 +285,25 @@ inline ComplexD rankInnerProduct(const Lattice<vobj> &left,const Lattice<vobj> &
template<class vobj>
inline ComplexD innerProduct(const Lattice<vobj> &left,const Lattice<vobj> &right) {
GridBase *grid = left.Grid();
uint32_t csum=0;
// Uint32Checksum(left,csum);
#ifdef GRID_SYCL
uint64_t csum=0;
if ( FlightRecorder::LoggingMode != FlightRecorder::LoggingModeNone)
{
// Hack
// Fast integer xor checksum. Can also be used in comms now.
autoView(l_v,left,AcceleratorRead);
Integer words = left.Grid()->oSites()*sizeof(vobj)/sizeof(uint64_t);
uint64_t *base= (uint64_t *)&l_v[0];
csum=svm_xor(base,words);
}
FlightRecorder::CsumLog(csum);
#endif
ComplexD nrm = rankInnerProduct(left,right);
RealD local = real(nrm);
GridNormLog(real(nrm),csum); // Could log before and after global sum to distinguish local and MPI
FlightRecorder::NormLog(real(nrm));
grid->GlobalSum(nrm);
GridMPINormLog(local,real(nrm));
FlightRecorder::ReductionLog(local,real(nrm));
return nrm;
}