Hi Carlos,
Yes it would appear to be a problem with xlf 10.1 on Blue Gene. I have
created a cut down section of code that causes the compiler to crash and
Mahidhar Tatineni of SDSC should have created a ticket with IBM for this.
So far I have not heard anything back...
All the best
Ross
/\
\/
|\oss Walker
| HPC Consultant and Staff Scientist |
| San Diego Supercomputer Center |
| Tel: +1 858 822 0854 | EMail:- ross.rosswalker.co.uk |
|
http://www.rosswalker.co.uk | PGP Key available on request |
Note: Electronic Mail is not secure, has no guarantee of delivery, may not
be read every day, and should not be used for urgent or sensitive issues.
> -----Original Message-----
> From: owner-amber-developers.scripps.edu
> [mailto:owner-amber-developers.scripps.edu] On Behalf Of
> Carlos P. Sosa
> Sent: Monday, October 01, 2007 06:47
> To: amber-developers.scripps.edu
> Subject: Re: amber-developers: bluegene...
>
> Kim F Wong wrote:
>
> > Ross,
> >
> > Your fix is good. I've been recycling routines liberally
> and quickly
> > and this is what happens. Thanks.
> >
> > Kim
> >
> > Ross Walker wrote:
> >
> >> Hi Kim,
> >>
> >>
> >>
> >>> Can you tell me why evb_io_debug and evb_gfchk are croaking on
> >>> bluegene ... that is, are there any programming habits I need to
> >>> break? The evb_io_debug was for my own edification and can be
> >>> commented out but the evb_gfchk is integral to Berny Schelgel's
> >>> distributed Gaussian EVB approach. Sorry the codes are messy. I
> >>> will clean up the debugging soon.
> >>>
> >>
> >>
> >> The xlf compiler has more rigorous error checking than the Intel
> >> compilers.
> >> The initial problem was the call arguments to
> evb_io_debug. It looks
> >> like
> >> you either updated evb_io_debug at some point and forgot to update
> >> all the
> >> calls or you meant to call evb_io_debug2 routine instead. I have
> >> tweaked the
> >> CVS tree to address this - take a look and see if you
> think it is okay.
> >>
> >> The failure beyond this fix looks like some weird compiler bug - I
> >> want to
> >> see if I can reproduce it and then I'll check with IBM to
> see what it
> >> might
> >> be. I wouldn't worry about your style for the moment since style
> >> shouldn't
> >> crash a compiler.
> >>
> >> All the best
> >> Ross
> >>
> >> /\
> >> \/
> >> |\oss Walker
> >>
> >> | HPC Consultant and Staff Scientist |
> >> | San Diego Supercomputer Center |
> >> | Tel: +1 858 822 0854 | EMail:- ross.rosswalker.co.uk |
> >> | http://www.rosswalker.co.uk | PGP Key available on request |
> >>
> >> Note: Electronic Mail is not secure, has no guarantee of delivery,
> >> may not
> >> be read every day, and should not be used for urgent or sensitive
> >> issues.
> >>
> >>
> >>
> >
> Ross,
>
> I just got back from a trip and I am trying to catch up with
> e-mail. Is
> this still a potential XL compiler problem?
>
> --
> Carlos P. Sosa
> Address: University of Minnesota
> Supercomputing Institute for
> Digital Simulation and Advanced Computation
> 599 Walter Library
> 117 Pleasant St. SE
> Minneapolis, MN 55455
> email: cpsosa.msi.umn.edu
>
>
Received on Wed Oct 03 2007 - 06:07:20 PDT
