Archives


- Beowulf
- Beowulf Announce
- Scyld-users
- Beowulf on Debian

[Beowulf] many cores and ib

Many of your questions may have already been answered in earlier discussions or in the FAQ. The search results page will indicate current discussions as well as past list serves, articles, and papers.

Search

Mark Hahn hahn at mcmaster.ca
Tue May 6 20:55:39 PDT 2008


> messages into one network message. For applications cases, sometimes it
> helps with performance and sometimes it does not. OSU have shown both

when would a program deliberately send such messages?  isn't it something
that the program should avoid in the first place?  does the MPI optimization
apply to messages that differ in source/dest rank and/or tag?



More information about the Beowulf mailing list