en.sh
> ./configure --prefix=/mpi/openmpi-1.5.4 --with-openib CC=icc CXX=icpc
> F77=ifort FC=ifort --with-knem=/opt/knem
>
>
>
> From: Eugene Loh
> To: Open MPI Users
> Cc: Eric Feng
> Sent: Wednesday, December 28, 2011 1:58 AM
> Subject: Re: [OMPI users] Openmpi per
pi/openmpi-1.5.4 --with-openib CC=icc CXX=icpc F77=ifort FC=ifort
--with-knem=/opt/knem
From: Eugene Loh
To: Open MPI Users
Cc: Eric Feng
Sent: Wednesday, December 28, 2011 1:58 AM
Subject: Re: [OMPI users] Openmpi performance issue
If I remember corre
ng <mailto:hpc_benchm...@yahoo.com>>
*To:* "us...@open-mpi.org <mailto:us...@open-mpi.org>"
mailto:us...@open-mpi.org>>
*Sent:* Friday, December 23, 2011 9:12 PM
*Subject:* [OMPI users] Openmpi performance issue
Hello,
I am running into performance issue wit
pplication but similar in IMB benchmark.
>
> From: Eric Feng
> To: "us...@open-mpi.org"
> Sent: Friday, December 23, 2011 9:12 PM
> Subject: [OMPI users] Openmpi performance issue
>
> Hello,
>
> I am running into performance issue with Open MPI, I wish expert
11 9:12 PM
Subject: [OMPI users] Openmpi performance issue
Hello,
I am running into performance issue with Open MPI, I wish experts here can
provide me some help,
I have one application calls a lot of sendrecv, and isend/irecv, so waitall.
When I run Intel MPI, it is around 30% faster than OpenMP
Hello,
I am running into performance issue with Open MPI, I wish experts here can
provide me some help,
I have one application calls a lot of sendrecv, and isend/irecv, so waitall.
When I run Intel MPI, it is around 30% faster than OpenMPI.
However if i test sendrecv using IMB, OpenMPI is even