Re: Speeding up ATLAS build time

[Camm Maguire <camm@enhanced.com>]

Greetings!  Sounds like a great idea too, but would the compiles
running in parallel mess up the timings?  Or do you intend to make
sure that just one timing process runs at a time?

Take care,

R Clint Whaley <rwhaley@cs.utk.edu> writes:

> Carl,
> 
> >At any rate, I have been thinking of ways to speed up the
> >build time.  In my experience, it is almost always faster
> >to use "make -j N", where N is usually 2 or 3 times the
> >number of processors.  Particularly on my dual processor
> >machine, it would be really nice to (roughly) halve the
> >build time.  I am starting to go through ATLAS to figure
> >out how to modify the system so it can automatically
> >use "make -j N" while building libraries and executables,
> >and "make" while doing timing runs.
> >
> >If/when I get it working, would you like me to send you
> >a patch file?
> 
> This is an excellent idea, and please do send it in if you get it rolling.
> If the required changes do not mess up the serial install, and don't
> require non-portable make stuff, this would be a great boon to the package.
> 
> Thanks,
> Clint
> 
> 

-- 
Camm Maguire			     			camm@enhanced.com
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"The earth is but one country, and mankind its citizens."  --  Baha'u'llah