[Beowulf] Re: typical latencies for gigabit ethernet
gerry.creager at tamu.edu
Sun Jun 28 12:15:23 EDT 2009
Dave Love wrote:
> Rahul Nabar <rpnabar at gmail.com> writes:
>> What are typical latencies I ought to be seeing with gigabit eth?
> I have some data at http://www.nw-grid.ac.uk/LivMPI
> Note that you may have to tune the driver parameters to get the lowest
Can you say something about any tuning you did to get decent results?
We've had some interesting problems (until lately; new broadcom drivers
helped) getting decent performance. We're using Dell 1950's with
Harpertown and broadcom NICs are native.
Which driver parms had to get tweaked?
Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.862.3983
Office: 1700 Research Parkway Ste 160, TAMU, College Station, TX 77843
Beowulf mailing list, Beowulf at beowulf.org sponsored by Penguin Computing
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
More information about the Beowulf