On Jan 14, 3:44 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> On Jan 14, 2008 6:39 AM, DuaneKaufman <[EMAIL PROTECTED]> wrote:
>
>
>
> > Indeed, I finally got through the build with your suggestion, though
> > it took 1900 minutes. Is this normal?
>
> No, that is not normal. On a 1.8Ghz Opteron under Linux using
> one processor, it takes 168 minutes (< 3 hours) real time to
> completely build Sage-2.10.alpha2. Thus there must have been an issue
> with ATLAS tuning still.
Yep. The problem is that Pentium Ms do not have a pre-tuned profile,
but 1900 minutes is excessive. I posted Paul's fix to ATLAS'
sourceforge tracker, but I hadn't heard back yet. There are plans for
2.10 to let people use the system's ATLAS if they want to (similar to
Fortran), so in the future one can at least work around this issue
without the need to go into the build system and do that manually.
> On a 2.6Ghz core 2 duo it takes 109 minutes real time to build sage-2.9.3.
>
> -- William
>
Cheers,
Michael
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