Re: Informations about G95

These are the options I use on my 1.5Ghz Athlon (no SSE2) system:

g95 -Wno=155 -fno-backslash -fdollar-ok -O3 -malign-double
-march=athlon -funroll-loops -ffast-math


Lahey/Fujitsu Fortran 95 Express Release 7.10.02 S/N: 00144390278
Copyright (C) 1994-2004 Lahey Computer Systems. All rights reserv
Copyright (C) 1998-2004 FUJITSU LIMITED. All rights reserved.
Options:
-nap -nc -nchk -nchkglobal -concc
-dal -ndbl -ndll -nf95 -nfix
-ng -nin -ninfo -inline -li
-nlst -nlong -maxfatals 50 -o1 -npaus
-nprefetch -nprivate -npca -nquad -nsav
-nsse2 -staticlib -nstaticlink -nstchk -tpp
-ntrace -ntrap -unroll -nvarheap -w
-nwide -winconsole -nwo -nxref -nzero
-nzfm

Both sets of options were the result of finding the combination that
gives the best runtime performance. Note I don't use Lahey's -o2 since
it more than doubles the compile time and actually slows down my
application by 10%.

Unfortunately, my year-and-half old HP notebook died a month ago and
they weren't able to get the parts to fix it! (I'm getting a store
credit to apply to a new one). Therefore, I can't give you the options
I use on a Pentium4 SSE2 system.

Al

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