[pymvpa] Tip of the day: MVPA_SEED

[Michael Hanke]

On Fri, Jun 20, 2008 at 07:05:07AM -0400, Per B. Sederberg wrote:
> What does this MVPA_SEED mean?
This set the seed for the random number generation from an env variable.

http://pkg-exppsy.alioth.debian.org/pymvpa/misc.html?highlight=seed#random-number-generation


Cheers,

Michael


> P
> 
> At Fri, 20 Jun 2008 07:22:33 +0200,
> Michael Hanke wrote:
> > 
> > 
> > On Thu, Jun 19, 2008 at 07:35:30PM -0400, Yaroslav Halchenko wrote:
> > > If you like to have full unittests battery be done in a fast manner --
> > > run with magic seed 14, e.g.
> > > 
> > > MVPA_SEED=14 make unittest
> > > 
> > > if you like to run for coffee and come back to enjoy the final message
> > > being printed on the screen run with seed 4. With 14 it takes 45sec on
> > > my box (without -O) and with 4, it takes nearly 20 times longer --
> > > 739.933s
> > > 
> > > What is your favorite seed? :-)
> > ;-)
> > 
> > Try 1978 to see one of the performance unit tests fail -- it is too
> > random ;-)
> > 
> > 
> > Cheers,
> > 
> > Michael
> > 
> > -- 
> > GPG key:  1024D/3144BE0F Michael Hanke
> > http://apsy.gse.uni-magdeburg.de/hanke
> > ICQ: 48230050
> > 
> > _______________________________________________
> > Pkg-ExpPsy-PyMVPA mailing list
> > Pkg-ExpPsy-PyMVPA at lists.alioth.debian.org
> > http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa
> 
> _______________________________________________
> Pkg-ExpPsy-PyMVPA mailing list
> Pkg-ExpPsy-PyMVPA at lists.alioth.debian.org
> http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa

-- 
GPG key:  1024D/3144BE0F Michael Hanke
http://apsy.gse.uni-magdeburg.de/hanke
ICQ: 48230050