> on
behalf of Jeff Squyres (jsquyres) via users
mailto:users@lists.open-mpi.org>>
Sent: Monday, March 6, 2023 10:40 AM
To: Chandran, Arun mailto:arun.chand...@amd.com>>; Open
MPI Users mailto:users@lists.open-mpi.org>>
Cc: Jeff Squyres (jsquyres) mailto:jsquy...@cisco.com>&g
s.open-mpi.org>>
Cc: Jeff Squyres (jsquyres) mailto:jsquy...@cisco.com>>
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
Per George's comments, I stand corrected: UCX does​ work fine in single-node
cases -- he confirmed to me that he teste
M
To: Open MPI Users mailto:users@lists.open-mpi.org>>
Cc: Chandran, Arun mailto:arun.chand...@amd.com>>
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
[Public]
Hi Gilles,
Thanks very much for the information.
I was looking for the
e / the UCX
> team)
> --
> *From:* Chandran, Arun
> *Sent:* Monday, March 6, 2023 10:31 AM
> *To:* Jeff Squyres (jsquyres) ; Open MPI Users <
> users@lists.open-mpi.org>
> *Subject:* RE: [OMPI users] What is the best choice of pml and btl for
to:users@lists.open-mpi.org>>
Sent: Monday, March 6, 2023 3:33 AM
To: Open MPI Users mailto:users@lists.open-mpi.org>>
Cc: Chandran, Arun mailto:arun.chand...@amd.com>>
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
[Public]
rfaces
at all? (this is an open question to George / the UCX team)
From: Chandran, Arun
Sent: Monday, March 6, 2023 10:31 AM
To: Jeff Squyres (jsquyres) ; Open MPI Users
Subject: RE: [OMPI users] What is the best choice of pml and btl for intranode
communication
if there is no compatible
Networking-Equipment is found.
--Arun
From: Jeff Squyres (jsquyres)
Sent: Monday, March 6, 2023 8:13 PM
To: Open MPI Users
Cc: Chandran, Arun
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
Caution: This message
t; *Sent:* Monday, March 6, 2023 3:33 AM
> *To:* Open MPI Users
> *Cc:* Chandran, Arun
> *Subject:* Re: [OMPI users] What is the best choice of pml and btl for
> intranode communication
>
>
> [Public]
>
>
>
> Hi Gilles,
>
>
>
> Thanks very much for the inf
c: Chandran, Arun
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
[Public]
Hi Gilles,
Thanks very much for the information.
I was looking for the best pml + btl combination for a standalone intra node
with high task count (>= 192) with
ts.open-mpi.org>>
Cc: Gilles Gouaillardet
mailto:gilles.gouaillar...@gmail.com>>
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
Caution: This message originated from an External Source. Use proper caution
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ent: Monday, March 6, 2023 12:56 PM
To: Open MPI Users
Cc: Gilles Gouaillardet
Subject: Re: [OMPI users] What is the best choice of pml and btl for intranode
communication
Caution: This message originated from an External Source. Use proper caution
when opening attachments, clicking links, or respond
sers
> Sent: Thursday, March 2, 2023 4:01 PM
> To: users@lists.open-mpi.org
> Cc: Chandran, Arun
> Subject: [OMPI users] What is the best choice of pml and btl for intranode
> communication
>
> Hi Folks,
>
> As the number of cores in a socket is keep on increasing, the righ
pment' decides
the pml+btl? (UCX for IB)
--Arun
-Original Message-
From: users On Behalf Of Chandran, Arun via
users
Sent: Thursday, March 2, 2023 4:01 PM
To: users@lists.open-mpi.org
Cc: Chandran, Arun
Subject: [OMPI users] What is the best choice of pml and btl for intranode
commun
[Public]
Hi Folks,
As the number of cores in a socket is keep on increasing, the right pml,btl
(ucx, ob1, uct, vader, etc) that gives the best performance in "intra-node"
scenario is important.
For openmpi-4.1.4, which pml, btl combination is the best for intra-node
communication in the case
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