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Still tweaking memory saving routines in Lanczos

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This commit is contained in:
Chulwoo Jung 2017-08-07 00:01:04 -04:00
parent 522c9248ae
commit caa6605b43
1 changed files with 2 additions and 4 deletions
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6
lib/algorithms/iterative/ImplicitlyRestartedLanczosCJ.h
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@ -954,7 +954,7 @@ until convergence
// Uses more temorary
// Rotate0(Qt,evec,k1,k2,Nm);
// Uses minimal temporary, possibly with less speed
Rotate(Qt,evec,k1-1,k2+1,Nm);
Rotate0(Qt,evec,k1-1,k2+1,Nm);
// Try if Rotate() doesn't work
// Rotate2(Qt,evec,k1,k2);
t1=usecond()/1e6;
@ -1010,10 +1010,8 @@ until convergence
evec[i] = B[Iconv[i]];
}
#else
Rotate(Qt,evec,0,Nk,Nm);
Rotate0(Qt,evec,0,Nk,Nm);
FinalCheck( Nk, eval,evec);
//exit(-1);
// ConvRotate2( Nk, Nm, Qt, evec, eval,eval2,Iconv,Nconv);
#endif
// Skip sorting, as it doubles the memory usage(!) and can be avoided by diagonalizing "right away"