s on behalf of Novosielski, Ryan
Sent: Thursday, December 17, 2015 7:04 PM
To: Open MPI Users
Subject: Re: [OMPI users] performance issue with OpenMPI 1.10.1
I'm no expert, but this one is pretty obvious. The error message says exactly
what you should change:
Equivalent MCA param
__
From: users [users-boun...@open-mpi.org] On Behalf Of Jingchao Zhang
[zh...@unl.edu]
Sent: Thursday, December 17, 2015 8:01 PM
To: Open MPI Users
Subject: Re: [OMPI users] performance issue with OpenMPI 1.10.1
The "mpirun --hetero-nodes -bind-to core -map-by core" resolves the perfo
recated forms *will* disappear in a future version of Open MPI.
> Please update to the new syntax.
> --
>
> Did I miss something in the "openmpi-mca-params.conf" file?
>
> Thanks,
>
> Dr. Jing
of Nebraska-Lincoln
402-472-6400
From: users on behalf of Gilles Gouaillardet
Sent: Wednesday, December 16, 2015 6:11 PM
To: Open MPI Users
Subject: Re: [OMPI users] performance issue with OpenMPI 1.10.1
binding is somehow involved in this, and i do not believe
-6400
*From:* users on behalf of Ralph Castain
*Sent:* Wednesday, December 16, 2015 1:52 PM
*To:* Open MPI Users
*Subject:* Re: [OMPI users] performance issue with OpenMPI 1.10.1
When I see such issues, I immediately start to think about binding
patterns. How are
llardet mailto:gil...@rist.or.jp>>
Sent: Tuesday, December 15, 2015 12:11 AM
To: Open MPI Users
Subject: Re: [OMPI users] performance issue with OpenMPI 1.10.1
Hi,
First, can you check how many MPI tasks and OpenMP threads are used with both
ompi versions ?
/* it should be 16 MPI tasks x n
r
> University of Nebraska-Lincoln
> 402-472-6400
>
>
> From: users mailto:users-boun...@open-mpi.org>>
> on behalf of Gilles Gouaillardet <mailto:gil...@rist.or.jp>>
> Sent: Tuesday, December 15, 2015 12:11 AM
> To: Open MPI Users
> Subject: Re: [OMPI users] pe
ers
Subject: Re: [OMPI users] performance issue with OpenMPI 1.10.1
Hi,
First, can you check how many MPI tasks and OpenMP threads are used with both
ompi versions ?
/* it should be 16 MPI tasks x no OpenMP threads */
can you also post both MPI task timing breakdown (from the output)
i tried a s
Hi,
First, can you check how many MPI tasks and OpenMP threads are used with
both ompi versions ?
/* it should be 16 MPI tasks x no OpenMP threads */
can you also post both MPI task timing breakdown (from the output)
i tried a simple test with the VISCOSITY/in.wall.2d and i did not
observe a
