Steven and Jerry,


If someone can confirm that this patch causes the drop, I can help
trying to find a fix.

amd64/Cygwin_NT

$ /irun/bin/gfortran -O3 -funroll-loops -ffast-math -march=opteron ac.f90

118372     20.2s
118475     20.4s  Bonzini's patch
118704     16.2s

I believe that the improvement is FX's and my patch for MOD.

Notice that this is a single core machine and that there is a PR out on the vectorizer. Could this be the problem, since the suse tests are done on a two core machine, if I understood correctly?

Paul

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