[Beowulf] TOE on Linux?

Gilad Shainer Shainer at mellanox.com
Tue May 20 12:22:38 EDT 2008

> > afaik, RDMA is used by some MPI implementations;
> ... usually only for long messages; pretty much all 
> non-Ethernet hardware implements some kind of remote DMA for 
> this purpose. For short messages, it doesn't matter if you 
> copy the data.

RDMA != zero copy. In some non-Ethernet solutions you can do zero copy
with send/receive as well. Beside the usage for large messages, there
are other apps that use RDMA to better manage remote data base, one
example is creating shared cache.


Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.

More information about the Beowulf mailing list