Done: http://www.open-mpi.org/papers/trinity-btl-2009/
Thanks!
On May 6, 2009, at 6:13 PM, Timothy Hayes wrote:
Would this be okay?
@misc{hayes09_ugrad_xenmpi,
author = {Timothy Hayes},
title = {An Effcient Open MPI Transport System for Virtual Worker
Nodes},
howpublished = {Trinity College Dublin Final Year Project},
year = {2009},
note = "Undergraduate Dissertation",
}
It's really just a report for a project I did in college but it
wouldn't be completely incorrect to call it a 'dissertation'. In any
case, thanks very much for putting it up :-)
Tim
2009/5/6 Jeff Squyres <jsquy...@cisco.com>
Yes, I'm talking about your document -- sorry -- I just replied to
the wrong guy! :-)
If you have a bibtex reference for it, that would be most helpful.
On May 6, 2009, at 5:20 PM, Timothy Hayes wrote:
Are you talking about my document? If so, that's no problem at all.
If there are any mistakes in my facts just let me know and I'll
change them.
Tim
2009/5/6 Jeff Squyres <jsquy...@cisco.com>
Thanks!
Would you mind if I posted this on www.open-mpi.org?
On Apr 25, 2009, at 10:05 AM, Timothy Hayes wrote:
I uploaded it to http://www.hotshare.net/file/131218-829472246c.html
I'm not sure if it's any good or even if it's 100% accurate; but if
someone gets any use out of it, that would be good.
Tim
2009/4/17 Jeff Squyres <jsquy...@cisco.com>
On Apr 16, 2009, at 11:38 AM, Timothy Hayes wrote:
From what I understand MPI_Send will hit 3 separate layers of code
before reaching the socket file descriptors you've found. The PML
(Point to Point Messaging Layer) is a layer that bridges the MPI
semantics from the underlying point to point communications. The
standard PML implementation is called 'ob1' which is what indirectly
calls the code you found. MPI_Send should go through pml_isend() or
pml_send() which will request a BTL (Byte Transfer Layer) modules
from the BML (BTL Management Layer) and invoke the BTL's
btl_prepare_src() or btl_alloc() functions before calling the
btl_send(). It becomes clearer when you step through it all with a
debugger though ;-)
If you're interested, I've recently implemented a BTL component of
my own and am now writing up a report on the process. It will be
ready next week, so if you think it might be useful, just let me know.
Ooohh... that would be positively yummy! We can even host/link to
that on www.open-mpi.org. :-)
--
Jeff Squyres
Cisco Systems
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