> Greg Lindahl wrote:
> >>Also, is IPoIB always setup when running MPI ?
> >
> > That's an easy one: No.
>
> Do the ones that don't have ipoib use a separate IP
> (Ethernet) network?
Yes.
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Greg Lindahl wrote:
Also, is IPoIB always setup when running MPI ?
That's an easy one: No.
Do the ones that don't have ipoib use a separate IP (Ethernet) network?
- Sean
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Matt Leininger wrote:
Requiring IPoIB to be running for MPI to work is a new dependency that
users are not accustomed to. Maybe we need to do this through the cm
rather than rdma_cm. We shouldn't require IPoIB to be running for MPI
to use IB.
Use of these new features already carries with i
On Thu, 2006-04-20 at 13:09 -0700, Sean Hefty wrote:
> > Not always. For most of the older VAPI based stack we never turned on
> >IPoIB (or did and it didn't work). I don't think we want to assume
> >IPoIB is always set up when MPI is running.
>
> This means that you can't use the rdma_cm to es
On Thu, Apr 20, 2006 at 01:00:43PM -0400, Hal Rosenstock wrote:
> Also, is IPoIB always setup when running MPI ?
That's an easy one: No.
-- greg
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> Not always. For most of the older VAPI based stack we never turned on
>IPoIB (or did and it didn't work). I don't think we want to assume
>IPoIB is always set up when MPI is running.
This means that you can't use the rdma_cm to establish connections.
- Sean
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On Thu, 2006-04-20 at 13:00 -0400, Hal Rosenstock wrote:
> On Thu, 2006-04-20 at 12:58, Sean Hefty wrote:
> > >On Wed, 2006-04-19 at 15:05, Sean Hefty wrote:
> > >> I'd like to get some feedback regarding the following approach to
> > >> supporting
> > >> multicast groups in userspace, and in part
[EMAIL PROTECTED] wrote:
> I'd like to get some feedback regarding the following
> approach to supporting multicast groups in userspace, and in
> particular for MPI. Based on side conversations, I need to
> know if this approach would meet the needs of MPI developers.
>
> To join / leave a multic
On Thu, 2006-04-20 at 12:58, Sean Hefty wrote:
> >On Wed, 2006-04-19 at 15:05, Sean Hefty wrote:
> >> I'd like to get some feedback regarding the following approach to
> >> supporting
> >> multicast groups in userspace, and in particular for MPI. Based on side
> >> conversations, I need to know i
Hi Sean,
On Wed, 2006-04-19 at 15:05, Sean Hefty wrote:
> I'd like to get some feedback regarding the following approach to supporting
> multicast groups in userspace, and in particular for MPI. Based on side
> conversations, I need to know if this approach would meet the needs of MPI
> developer
I'd like to get some feedback regarding the following approach to supporting
multicast groups in userspace, and in particular for MPI. Based on side
conversations, I need to know if this approach would meet the needs of MPI
developers.
To join / leave a multicast group, my proposal is to add the
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