[SciPy-user] scipy.test problem

Matthew Brett matthew.brett at gmail.com
Fri Mar 17 09:33:53 CST 2006


Hi,

> Just out of interest, what compiler options are you using to build LAPACK and
> ATLAS? On the 64 bit P4 I use for LAPACK (in make.inc):
>
> OPTS     = -funroll-all-loops -O3 -m64 -fno-second-underscore  -fPIC
> NOOPT    = -m64 -fno-second-underscore -fPIC

OPTS     = -funroll-all-loops -fno-f2c -O3 -m64 -fPIC
NOOPT    = -m64 -fPIC

> and if I remember correctly, for ATLAS 3.7.11 I added (to Make.<arch> after
> ATLAS configuration):
> -fPIC and -m64 to various compiler options.

-fomit-frame-pointer -funroll-all-loops -mfpmath=sse -m64 -fPIC

with -03, -O as per the atlas defaults, and -march=nocona for gcc...

I've attached my build scripts in case they're useful.

Best,

Matthew
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