[Pkg-openmpi-maintainers] Bug#376833: Bug#376833: Open bug reports on OpenMPI for 'no atomic primitives' on s390, hppa and m68k

[Riku Voipio]

On Thu, Feb 21, 2008 at 09:26:25AM -0600, Dirk Eddelbuettel wrote:
> You can do what I did for Rmpi and use Open MPI where available and LAM where
> not:

>       Build-Depends: debhelper (>> 4.1.0), cdbs, r-base-dev (>= 2.6.0), \
> 	libopenmpi-dev (>= 1.2.4-5) [i386 amd64 alpha ia64 powerpc sparc], \
> 	lam4-dev [!i386 !amd64 !alpha !ia64 !powerpc !sparc]

> Nothing wrong with that.

I think a portable solution would be better.

> | Why not use libatomic-ops which includes atomic primitives for all
> | supported architectures and more?

> Are you sure that these atomic ops are the one mssing in Open MPI?  Could you
> provide a proof of concept for one arch so that I could take that to upstream?

I don't really know anything about openmpi internals, but looking at
atomic-powerpc32-linux.s all but opal_sys_timer_get_cycles have similar
definitions in libatomic-ops-dev.

-- 
"rm -rf" only sounds scary if you don't have backups
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
Url : http://lists.alioth.debian.org/pipermail/pkg-openmpi-maintainers/attachments/20080301/8a21bb93/attachment-0001.pgp