[CIG-LONG] Gale 2.0.1

Walter Landry wlandry at caltech.edu
Mon Dec 10 08:50:45 PST 2012


"Nicolas.Riel" <a.nicolas.riel at gmail.com> wrote:
> Hi walter,
> 
> I'm still working with Gale 1.6.1 and we have some issues regarding the use
> of Gale with gcc compiler on a 32 cores cluster.
> 
> The run seems to works in parallel with mumps, however it is extremely
> slow, actually slower than on my personnal core i7.
> 
> I have sent you the log file just in case,
> 
> Did you encountered these kind of problem before?
> 
> Do we have to install Gale with intel compiler instead ?

I have not seen this.  Your mesh is big enough that Gale should work
fine.  The problem is probably not with the compiler.  It might be
that you are not actually using Mumps.  The syntax changed between 1.6
and 2.0.  You should really be using 2.0.

Cheers,
Walter Landry



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