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Subject: Re: [OMPI users] OpenMPI 1.3.2 with PathScale 3.2
From: Ralph Castain (rhc_at_[hidden])
Date: 2009-05-14 19:26:38

Last I checked when we were building here, I'm not sure Pathscale
supports -O3. IIRC, O2 is the max supported value, though it has been
awhile since I played with it.

Have you checked the man page for it?

It could also be something in the VampirTrace code since that is where
you are failing. That is a contributed code - not part of OMPI itself
- so we would have to check with those developers.

On May 14, 2009, at 2:49 PM, Åke Sandgren wrote:

> On Thu, 2009-05-14 at 13:35 -0700, Joshua Bernstein wrote:
>> Greetings All,
>> I'm trying to build OpenMPI 1.3.2 with the Pathscale compiler,
>> version 3.2. A
>> bit of the way through the build the compiler dies with what it
>> things is a bad
>> optimization. Has anybody else seen this, or know a work around for
>> it? I'm
>> going to take it up with Pathscale of course, but I thought I'd
>> throw it out here:
>> ---SNIP---
>> /opt/pathscale/bin/pathCC -DHAVE_CONFIG_H -I. -I../.. -I../../
>> extlib/otf/otflib
>> -I../../extlib/otf/otflib -I../../vtlib/ -I../../vtlib -
>> -DVT_OMP -O3 -DNDEBUG -finline-functions -pthread -MT vtfilter-
>> vt_tracefilter.o
>> -MD -MP -MF .deps/vtfilter-vt_tracefilter.Tpo -c -o vtfilter-
>> vt_tracefilter.o
>> `test -f '' || echo './'`
>> Signal: Segmentation fault in Global Optimization -- Dead Store
>> Elimination phase.
>> Error: Signal Segmentation fault in phase Global Optimization --
>> Dead Store
>> Elimination -- processing aborted
>> *** Internal stack backtrace:
>> pathCC INTERNAL ERROR: /opt/pathscale/lib/3.2/be died due to signal 4
> Haven't seen it. But I'm only using -O2 when building openmpi.
> Report it quickly, if we're lucky they might get a fix into the 3.3
> release that is due out very soon. (I just got the beta yesterday)
> --
> Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
> Internet: ake_at_[hidden] Phone: +46 90 7866134 Fax: +46 90 7866126
> Mobile: +46 70 7716134 WWW:
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