[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-22 Thread Dr. David Kirkby
John Cremona wrote: > Here's what I did when Atlas failed to recognise my machine: > > 1. Copy the SAGE_ROOT/local directory to (e.g.) /home/john/sagelocal . > 2. Add > > export SAGE_ATLAS_LIB="/home/john/sagelocal" > > to my startup file .bashrc. > > Then in all subsequent builds it finds the

[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-12 Thread Dr. David Kirkby
Burcin Erocal wrote: > On Sat, 11 Jul 2009 10:53:04 -0700 > William Stein wrote: > >> On Sat, Jul 11, 2009 at 9:37 AM, Dr. David >> Kirkby wrote: >>> It's taken more than 12 hours to build ATLAS on t2, and it is still >>> going. William said it takes a lot less if some tuning parameters >>> are

[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-11 Thread Burcin Erocal
On Sat, 11 Jul 2009 10:53:04 -0700 William Stein wrote: > > On Sat, Jul 11, 2009 at 9:37 AM, Dr. David > Kirkby wrote: > > > > It's taken more than 12 hours to build ATLAS on t2, and it is still > > going. William said it takes a lot less if some tuning parameters > > are known for the machine,

[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-11 Thread jyr
On Jul 11, 6:53 pm, William Stein wrote: > > There have been at least 1-2 recent threads on sage-devel (or > support?) including a complete script posted by somebody about > building multiple packages in parallel. You should search the > archives (I don't have time now). I think William means

[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-11 Thread William Stein
On Sat, Jul 11, 2009 at 9:37 AM, Dr. David Kirkby wrote: > > It's taken more than 12 hours to build ATLAS on t2, and it is still > going. William said it takes a lot less if some tuning parameters are > known for the machine, so it does not have to go through that again. I > asked on the ATLAS hel

[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-11 Thread William Stein
On Sat, Jul 11, 2009 at 9:37 AM, Dr. David Kirkby wrote: > > It's taken more than 12 hours to build ATLAS on t2, and it is still > going. William said it takes a lot less if some tuning parameters are > known for the machine, so it does not have to go through that again. I > asked on the ATLAS hel

[sage-devel] Re: Can one speed up ATLAS build time?

2009-07-11 Thread John Cremona
Here's what I did when Atlas failed to recognise my machine: 1. Copy the SAGE_ROOT/local directory to (e.g.) /home/john/sagelocal . 2. Add export SAGE_ATLAS_LIB="/home/john/sagelocal" to my startup file .bashrc. Then in all subsequent builds it finds the existing Atlas and does not build a new