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Thanks for the response. I found the following in the MPICH2_1.0.3
release notes:<br>
<br>
-<tt> The CH3 device does not presently support heterogeneous
communication. That<br>
is to say that the processes involved in a job must use the same
basic type<br>
sizes and format. The sizes and format are typically determined by
the<br>
processor architecture, although it may also be influenced by compiler<br>
options. This device does support the use of different executables
(e.g.,<br>
multiple-program-multiple-data, or MPMD, programming).<br>
<br>
<br>
Which is just as you stated. Do you know if true heterogeneous support
is planned?<br>
<br>
Thanks again.<br>
<br>
Ken<br>
</tt><br>
<br>
<br>
Rajeev Thakur wrote:<br>
<blockquote cite="mid004b01c6421a$17c383f0$30013b0a@mcs.anl.gov"
type="cite">
<pre wrap="">MPICH2 doesn't yet work in heterogeneous environments. It will work in
heterogeneous environments that really are homogoneous, ie, no differences
in byte ordering, sizes of datatypes, etc.
Rajeev
</pre>
<blockquote type="cite">
<pre wrap="">-----Original Message-----
From: <a class="moz-txt-link-abbreviated" href="mailto:owner-mpich-discuss@mcs.anl.gov">owner-mpich-discuss@mcs.anl.gov</a>
[<a class="moz-txt-link-freetext" href="mailto:owner-mpich-discuss@mcs.anl.gov">mailto:owner-mpich-discuss@mcs.anl.gov</a>] On Behalf Of Kenneth Rempe
Sent: Monday, March 06, 2006 8:13 AM
To: <a class="moz-txt-link-abbreviated" href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a>
Subject: [MPICH] MPICH2 v1.02 in heterogeneous enviroment
I'm using MPICH2 v1.02 with IBM AIX 5.2 and Red Hat Linux. My program
works fine
if I just run on Linux machines or just IBM machines but
fails with the
following message when
trying to run on both IBM and Linux at the same time.
Fatal error in MPI_Comm_spawn: Internal MPI error!, error stack:
MPI_Comm_spawn(128):
MPI_Comm_spawn(cmd="/home/ken/DUKE/Formosa-link/New/FPSIM3/Lin
ux/fpsim3.exe",
argv=2005bc88, maxprocs=1, info=0x9c000000, root=0, MPI_COMM_WORLD,
intercomm=2005b858, errors=2002fff0) failed
MPID_Comm_spawn_multiple(52):
MPIDI_CH3_Comm_spawn_multiple(212):
MPIDI_CH3_Comm_accept(102):
MPIDI_CH3_Progress_wait(209): an error occurred while
handling an event
returned by MPIDU_Sock_Wait()
MPIDI_CH3I_Progress_handle_sock_event(886): [ch3:sock]
received packet
of unknown type (385875968)
% rank 0 in job 1 ibm6e1_34162 caused collective abort of all ranks
exit status of rank 0: killed by signal 9
Is it possible to use MPICH2 in a heterogeneous environment?
Thanks.
</pre>
</blockquote>
<pre wrap=""><!---->
</pre>
</blockquote>
<br>
<br>
<pre class="moz-signature" cols="125">--
*** NOTE: soa.com will no longer be used after February 1, 2006, please change your address book ***
Kenneth R. Rempe * email: <a class="moz-txt-link-abbreviated" href="mailto:kenneth.rempe@studsvikscandpower.com">kenneth.rempe@studsvikscandpower.com</a>
Studsvik Scandpower, Inc. *
504 Shoup Avenue Suite #201 * voice: 208-522-4630
Idaho Falls, ID USA 83402-3502 * fax: 208-522-1187
</pre>
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