t kernel
> development.
> >
> > Best regards, Davide
> >
> >> Date: Fri, 24 Jul 2015 13:36:55 -0700
> >> From: Ralph Castain
> >> To: Open MPI Users
> >> Subject: Re: [OMPI users] NUMA: Non-local memory access and
> >> perfo
in this direction in recent kernel development.
>
> Best regards, Davide
>
>> Date: Fri, 24 Jul 2015 13:36:55 -0700
>> From: Ralph Castain
>> To: Open MPI Users
>> Subject: Re: [OMPI users] NUMA: Non-local memory access and
>> performance eff
36:55 -0700
From: Ralph Castain
To: Open MPI Users
Subject: Re: [OMPI users] NUMA: Non-local memory access and
performance effects on OpenMPI
Hi Bill
You actually can get OMPI to split a process across sockets. Let?s say there
are 4 cores/socket and 2 sockets/node. You could run two pro
Hi Bill
You actually can get OMPI to split a process across sockets. Let’s say there
are 4 cores/socket and 2 sockets/node. You could run two procs on the same
node, one split across sockets, by:
mpirun -n 1 —map-by core:pe=5 ./app : -n 1 —map-by core:pe=3 ./app
The first proc will run on all
