low-latency high-bandwidth OS bypass user-level messaging for commodity(linux) clusters with commodity NICs(<$200), HELP! (GAMMA/EMP/M-VIA/etc.)

Patrick Geoffray patrick at myri.com
Mon Dec 16 23:38:26 PST 2002

Hi Jon,

On Mon, 2002-12-16 at 05:46, jon wrote: 

> Currently with Myrinet on P4 I get 17us latency and 80MB/sec bandwidth,

Throw your machine to the garbage and buy a P4 with a decent chipset,

> Why is the OS-bypass so hard?  If wanting no TCP support, isn't it
> easier than writing standard linux driver? (like you've done a lot!)

The last time I talked to Pete Wyckoff (SC02), he was not working on EMP
anymore. It would be interesting to get his view on the problem (Pete

My 2 cents. 


Patrick Geoffray, Phd
Myricom, Inc.

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