Actually I will be interested in this discussion.
On 9/5/08, Jeff Squyres wrote:
>
> For the mailing list...
>
> Note that we moved this conversation to a higher bandwidth (telephone). If
> others are interested, please let us know.
>
>
> On Sep 3, 2008, at 1:21 AM, Eugene Loh wrote:
>
> Jeff S
For the mailing list...
Note that we moved this conversation to a higher bandwidth
(telephone). If others are interested, please let us know.
On Sep 3, 2008, at 1:21 AM, Eugene Loh wrote:
Jeff Squyres wrote:
I think even first-touch will make *the whole page* be local to
the process t
Jeff Squyres wrote:
I think even first-touch will make *the whole page* be local to the
process that touches it.
Right.
So if you have each process take N bytes (where N << page_size), then
the 0th process will make that whole page be local; it may be remote
for others.
I think I'm not
On Aug 30, 2008, at 10:56 AM, Eugene Loh wrote:
There's probably some law of software engineering that applies
here. Basically, upon first read, I was filled with bitter
resentment against those who had written the code. :^) Then, as I
began to feel mastery over its, um, intricacies -- t
Jeff Squyres wrote:
On Aug 29, 2008, at 5:52 PM, Eugene Loh wrote:
I'm looking at the sm BTL.
Excellent! I hope you had a good dash of parmesan with that
spaghetti code in there (the sm btl is among the hairiest sections
in OMPI...). :-)
There's probably some law of software engineer
-
From: devel-boun...@open-mpi.org
To: de...@open-mpi.org
Sent: Fri Aug 29 20:52:10 2008
Subject: [OMPI devel] allocating sm memory with page alignment
(I'm new to Open MPI.)
I'm looking at the sm BTL.
In mca_btl_sm_add_procs(), there's a loop over peer processes, with a
call to
On Aug 29, 2008, at 5:52 PM, Eugene Loh wrote:
I'm looking at the sm BTL.
Excellent! I hope you had a good dash of parmesan with that spaghetti
code in there (the sm btl is among the hairiest sections in
OMPI...). :-)
In mca_btl_sm_add_procs(), there's a loop over peer processes, with
(I'm new to Open MPI.)
I'm looking at the sm BTL.
In mca_btl_sm_add_procs(), there's a loop over peer processes, with a
call to ompi_fifo_init(). That is, one call to ompi_fifo_init() for
each connection (sender/receiver pair).
In ompi_fifo_init(), there's an allocation of
sizeof(ompi_cb_f
