> -Original Message-
> From: devel-boun...@open-mpi.org [mailto:devel-boun...@open-mpi.org]
On
> Behalf Of Jeff Squyres
> Sent: Tuesday, January 15, 2008 6:13 AM
> To: Open MPI Developers
> Subject: Re: [OMPI devel] SDP support for OPEN-MPI
>
> On Jan 13,
On Jan 13, 2008, at 8:19 AM, Lenny Verkhovsky wrote:
> What I meant was try to open an SDP socket. If it fails because SDP
> is not supported / available to that peer, then open a regular
> socket. So you should still always have only 1 socket open to a
peer
> (not 2).
Yes, but since the
> -Original Message-
> From: devel-boun...@open-mpi.org [mailto:devel-boun...@open-mpi.org]
On
> Behalf Of Jeff Squyres
> Sent: Tuesday, January 08, 2008 4:32 PM
> To: Open MPI Developers
> Subject: Re: [OMPI devel] SDP support for OPEN-MPI
>
> On Jan 8,
On Jan 8, 2008, at 7:45 AM, Lenny Verkhovsky wrote:
Hence, if HAVE_DECL_AF_INET_SDP==1 and using AF_INET_SDP fails to
that
peer, it might be desirable to try to fail over to using
AF_INET_something_else. I'm still technically on vacation :-), so I
didn't look *too* closely at your patch, but
Hi all,
Hi,
Thanks for the responses.
> -Original Message-
> From: devel-boun...@open-mpi.org [mailto:devel-boun...@open-mpi.org]
On
> Behalf Of Jeff Squyres
> Sent: Wednesday, January 02, 2008 4:08 AM
> To: Open MPI Developers
> Subject: Re: [OMPI devel] SDP su
On Jan 1, 2008, at 1:11 PM, Andrew Friedley wrote:
We would like to add SDP support for OPENMPI.
I have a few points -- this is the first:
I would do this patch slightly differently. I prefer to have as few
#if's as possible, so I'd do it to always have the struct members and
logic for
Patrick Geoffray wrote:
Lenny Verkhovsky wrote:
We would like to add SDP support for OPENMPI.
SDP can be used to accelerate job start ( oob over sdp ) and IPoIB
performance.
I fail to see the reason to pollute the TCP btl with IB-specific SDP stuff.
For the oob, this is arguable, but
Lenny Verkhovsky wrote:
We would like to add SDP support for OPENMPI.
SDP can be used to accelerate job start ( oob over sdp ) and IPoIB
performance.
I fail to see the reason to pollute the TCP btl with IB-specific SDP stuff.
For the oob, this is arguable, but doesn't SDP allow for
Since I used to be the OOB guy, I wanted to throw my $0.02 out
there. I think this is the right approach for adding such support.
I haven't tested it, but if it works see no reason not to commit.
Brian
On Dec 31, 2007, at 1:41 AM, Lenny Verkhovsky wrote:
Hi,
We would like to add SDP
Hi,
We would like to add SDP support for OPENMPI.
SDP - Socket Direct Protocol is a byte-stream transport protocol
implementing the TCP SOCK_STREAM semantics utilizing transport
offloading capabilities of the InfiniBand fabric
(http://www.mellanox.com/pdf/whitepapers/SDP_Whitepaper.pdf,
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