On Dec 19, 1:42 am, "Justin C. Walker" <[EMAIL PROTECTED]> wrote:
> On Dec 16, 2007, at 08:04 , William Stein wrote:
>
>
>
> > Hello,
>
> > Sage 2.9 has been released. It is available at
>
> > http://sagemath.org/download.html
>
> > This is a *major* new release, with a huge number of tickets
> > closed, and the additional of both R and the ATLAS BLAS
> > as standard packages.
>
> > If you're an *expert* user or just brave, do
>
> I got brave :-}
>
> Upgrade of 2.8.15 on 10.5.1 (Core Duo):
> real 74m23.156s
> user 60m48.071s
> sys 7m15.158s
>
> All tests passed! (-j2)
> Total time for all tests: 2763.2 seconds
Hi Justin,
> Upgrade of 2.8.14 on 10.4.11 (Dual Quad-core Xeon):
> real 119m38.975s
> user 40m7.949s
> sys 8m4.822s
>
> All tests passed! (-j6)
> Total time for all tests: 2519.5 seconds
>
> Whuh! 119 minutes to upgrade! Normally, I build with "-j6" on the
> Xeon, and it comes in around 61 (2.8.14)-73 (2.9) minutes... I
> didn't do a parallel upgrade.
ATLAS is build with disabled parallel make and I would guess your Xeon
model doesn't have pre-tuned parameters for it, so tuning is very
expensive. Adding those settings to ATLAS is #1547.
> Justin
Cheers,
Michael
> --
> Justin C. Walker, Curmudgeon-at-Large
> () The ASCII Ribbon Campaign
> /\ Help Cure HTML Email
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