Is there any reason not to configure with
--enable-mpi-threads --enable-progress-threads
for instance a performance penalty if an application
is not using MPI_THREAD_MULTIPLE?
What version of OMPI are you using? The behavior depends on the version...
On Apr 19, 2010, at 2:01 PM, Martin Siegert wrote:
> Hi,
>
> I am wondering what effects it will have when I configure openmpi
> with --enable-mpi-threads: we are using the TM interface to torque
> and therefore each MPI
Hi,
I am wondering what effects it will have when I configure openmpi
with --enable-mpi-threads: we are using the TM interface to torque
and therefore each MPI program gets assigned a certain number of cores
on a set of nodes by the scheduler. If the MPI program now starts
additional threads how d
for your discussion
>>
>> - Original Message -
>> From: "Jeff Squyres"
>> To: "Open MPI Users"
>> Sent: Tuesday, June 30, 2009 7:23:13 AM (GMT-0500) America/New_York
>> Subject: Re: [OMPI users] enable-mpi-threads
>>
>&
, 2009 at 6:37 AM, rahmani wrote:
> Hi,
> Very thanks for your discussion
>
> - Original Message -
> From: "Jeff Squyres"
> To: "Open MPI Users"
> Sent: Tuesday, June 30, 2009 7:23:13 AM (GMT-0500) America/New_York
> Subject: Re: [OMPI users] ena
Hi,
Very thanks for your discussion
- Original Message -
From: "Jeff Squyres"
To: "Open MPI Users"
Sent: Tuesday, June 30, 2009 7:23:13 AM (GMT-0500) America/New_York
Subject: Re: [OMPI users] enable-mpi-threads
On Jun 30, 2009, at 1:29 AM, rahmani wrote:
> I
On Jun 30, 2009, at 1:29 AM, rahmani wrote:
I want install openmpi in a cluster with multicore processor.
Is it necessary to configure with --enable-mpi-threads option?
when this option should be used?
Open MPI's threading support is functional but not optimized.
It depends on the problem y
Hi every one
I want install openmpi in a cluster with multicore processor.
Is it necessary to configure with --enable-mpi-threads option?
when this option should be used?
tanks
