On 20 Nov 2007, at 03:38, Jean-François Mertens wrote:

> There were other msgs when the last version of atlas came up
> showing that on some G4's at least it didn't work.
>
> cf cvs log :
>
> revision 1.8
> date: 2007/11/09 16:47:53;  author: jfmertens;  state: Exp;  lines:
> +28 -9
> should fix problems with uniprocessor machines and with 64-bit  
> machines;
> remain problems for some G4s
>
> This resulted  IIRC from tests by Dominique Dhumieres on a G4; those
> showed in
> particular that there was a problem much higher: atlas had not
> recognized the machine
> _ else I would expect a -DATL_ARCH_xyz flag in your compilation too.
> Hence it is treated as UNKNOWN, and the defaults are not used.
>
> And Atlas does have defaults for G4 : ATLAS/CONFIG/ARCHS/
> PPCG432AltiVec.tgz
>
> I think Dominique sent a bug-report upstream concerning this.
>
> JF Mertens

At worst, there is a way if I remember correctly to force the use of  
those
or those architectural defaults; but I would have hoped for a quicker
and cleaner solution from upstream.

JF
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