Re: mpich-gm on hybrid ia32/ia64

Hi, Stephane,

Stephane Marchesin wrote:
> Hi,
> 
> I'm trying to use mpich-gm on a hybrid ia32/ia64 environment and it 
> looks like messages get truncated somehow.
> Here is a sample run of the attached program (but this is not specific 
> to MPI_Bcast, it also happens with MPI_Send/MPI_Recv).
> 
> node 0/3
> Linux hpc-n04 2.4.18-e.31smp #1 SMP Wed May 21 17:47:59 EDT 2003 ia64 
> unknown
> node 1/3
> Linux hpc-n05 2.4.18-e.31smp #1 SMP Wed May 21 17:47:59 EDT 2003 ia64 
> unknown
> node 2/3
> Linux hpc-g01 2.4.20-31.9smp #1 SMP Tue Apr 13 17:40:10 EDT 2004 i686 
> i686 i386 GNU/Linux
> node 0/3  - test
> node 1/3  - test
> node 2/3 test - test
> 
> The setup is as follows :
> - gm 2.0.8 (gm itself seems to be working fine, at least the basic 
> gm_simple_example_recv.c/gm_simple_example_send.c works)
> - mpich-gm 1.2.6..13b
> 
> Any insights ? Is mpich-gm supposed to work on hybrid setups ?

No.  MPICH-GM does not support heterogeneity.

   http://www.myri.com/cgi-bin/fom?file=163

Susan

-- 
Susan Blackford
Member of Technical Staff
Myricom Inc.