ay, 25 August 2016 2:12 PM
To: OpenMPI Devel
Subject: Re: [OMPI devel] Binding with --oversubscribe in 2.0.0
Okay, I found the issue and fixed it:
https://github.com/open-mpi/ompi-release/pull/1340
We are very close to v2.0.1 release, so it may not get into that one. Still,
you are welcome to pul
kes this to work, but then doesn't have binding.
>>
>> Cheers,
>> Ben
>>
>> -Original Message-
>> From: devel [mailto:devel-boun...@lists.open-mpi.org] On Behalf Of Ben
>> Menadue
>> Sent: Thursday, 25 August 2016 9:36 AM
>> To:
; -Original Message-
> From: devel [mailto:devel-boun...@lists.open-mpi.org] On Behalf Of Ben Menadue
> Sent: Thursday, 25 August 2016 9:36 AM
> To: 'Open MPI Developers'
> Subject: Re: [OMPI devel] Binding with --oversubscribe in 2.0.0
>
> Hi Ralph,
>
> T
boun...@lists.open-mpi.org] On Behalf Of
r...@open-mpi.org
Sent: Thursday, 25 August 2016 2:03 AM
To: OpenMPI Devel
Subject: Re: [OMPI devel] Binding with --oversubscribe in 2.0.0
Actually, I stand corrected! Someone must have previously requested it, because
support already exists.
What you
d-allowed", which also works).
>
> Cheers,
> Ben
>
>
> -Original Message-
> From: devel [mailto:devel-boun...@lists.open-mpi.org] On Behalf Of
> r...@open-mpi.org
> Sent: Thursday, 25 August 2016 2:03 AM
> To: OpenMPI Devel
> Subject: Re: [OMPI devel] Bind
en-mpi.org
Sent: Thursday, 25 August 2016 2:03 AM
To: OpenMPI Devel
Subject: Re: [OMPI devel] Binding with --oversubscribe in 2.0.0
Actually, I stand corrected! Someone must have previously requested it, because
support already exists.
What you need to do is simply specify the desired binding. If yo
Actually, I stand corrected! Someone must have previously requested it, because
support already exists.
What you need to do is simply specify the desired binding. If you don’t specify
one, then we will disable it by default when oversubscribed. This was done to
protect performance for those who
Well, that’s a new one! I imagine we could modify the logic to allow a
combination of oversubscribe and overload flags. Won’t get out until 2.1,
though you could pull the patch in advance if it is holding you up.
> On Aug 23, 2016, at 11:46 PM, Ben Menadue wrote:
>
> Hi,
>
> One of our users
Hi,
One of our users has noticed that binding is disabled in 2.0.0 when
--oversubscribe is passed, which is hurting their performance, likely
through migrations between sockets. It looks to be because of 294793c
(PR#1228).
They need to use --oversubscribe as for some reason the developers decided
