[Beowulf] SCI Socket latency: 2.27 microseconds

Patrick Geoffray patrick at myri.com
Mon Mar 1 17:40:55 EST 2004


Mark Hahn wrote:
> well, Quadrics now claims 1.8 us MPI latency:
> http://doc.quadrics.com/quadrics/QuadricsHome.nsf/NewsByDate/5D7D7444A42B398280256E44005A31DD

Hum, this one claims "under 3us": 
http://doc.quadrics.com/quadrics/QuadricsHome.nsf/PageSectionsByName/F6E4FE91508A319580256D5900447E40/$File/QsNetII+Performance+Evaluation+ltr.pdf

Maybe the 1.8us is a one-sided MPI latency, aka a PUT ?

Patrick
-- 

Patrick Geoffray
Myricom, Inc.
http://www.myri.com
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