[Octopus-users] opteron pgf90

[Francesco Sottile]

> On Thu, 24 Nov 2005, Francesco Sottile wrote:
>
>> Dear all,
>> has anyone of you tried to compile octopus on an opteron using the portland 
>> compiler ?
>> I have managed to compile but then it's immediately a segmentation fault,
>> it doesn't matter the compilation flags (even none).
>> The version I'm using is the devel 1.99 (but downloaded few months ago).
>> In the manual of 1.4 there are some suggested flags for this compiler on 
>> opteron, that I interpret as is this version (1.4) should work on this 
>> platform. has anyone experienced these problems with the 1.99 version?
>
> Hi Francesco. I did compile (and successfully run) Octopus 1.4 on an Opteron
> cluster using the portland compiler version 5.2-4. However, I did have to
> compile locally all libraries using the same compiler (otherwise it would
> crash unexpectedly), and I had to specify at configure time that I wanted to
> use the portland C compiler as well, since I had problems linking objects
> compiled by pgf90 and objects compiled by gcc. The only libraries I did not
> recompile were the lapack/blas libraries, since I used the optimised ones
> provided by AMD for opterons (acml), which come in many flavours including
> one for the nag compiler. I did not try with the CVS version of Octopus,
> though. I hope this helps you...
>

Hi Giacomo,
I wonder what library you recompiled locally  using pgi, if not the blas 
lapack. I only had to link gsl and fftw (both c libraries I guess). 
Futhermore I didn't have any problems linking gcc created c object (at 
least not at the linking phase), anyway I compiled  octopus again using
pgcc (that bytheway doesn't like the c++ way to put comments // and I had 
to substitute with /* */)  and nothing changed.

I also linked the acml instead of blas/lapack, but again this was not the 
problem.

Maybe something that has changed between 1.4 and 1.99  makes the 
latter not working.

thanks anyway.
F.

> Bye
> Giacomo
>
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