Re: Compilation on Opteron

From: Gengbin Zheng (
Date: Thu Aug 26 2004 - 00:25:44 CDT


A former group member of our group (Charm++ developers) is actually
working at, and he happened to report to me *today* that
he just got NAMD running with pathscale version of MPI on their own
special interconnect product (I don't know what's that though).
I will gather more information on that and let you know. However, my
impression is that he had to fix a few bugs in their MPI implementation
in order for NAMD to run perfectly on it. The fix is so new that I am
afraid it is not released yet.


Alexandre Chauvin wrote:

>Hi everybody,
>I am experiencing some difficulties to run charm++ on opteron
>with other compilers than gcc or icc (not very good on opteron).
>The compilation does not present serious issues. However when
>I try to run 'megatest' after a pathscale32bit compilation, it
>just hangs on test 4 and nothing happens. If I then try with a
>64bit binary, I get a segmentation violation on test 6
>(debugging tells me that it is a CthThread issue).
>Of course if I then try to compile and run namd, it fails. So
>I think I have to solve the charm++ problem first.
>Has anyone ever compiled namd with compiler other than gcc or
>icc on opteron?
>Any idea is welcome.
>Thank you.
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