[Beowulf] SCI Socket latency: 2.27 microseconds

Petter Gustad pegu at dolphinics.no
Tue Mar 2 02:59:04 EST 2004

From: Mark Hahn <hahn at physics.mcmaster.ca>
Subject: Re: [Beowulf] SCI Socket latency: 2.27 microseconds
Date: Mon, 1 Mar 2004 11:35:56 -0500 (EST)

> > "This is the lowest latency socket solution available today," said
> > Hugo Kohmann, CTO for Dolphin Interconnect. "SCI Socket opens new
> well, Quadrics now claims 1.8 us MPI latency:

This is excellent MPI latency. However, the quoted 2.27 µs latency was
for the *socket* library. Latency using the Dolphin SISCI library is
1.4 µs. See also: http://www.dolphinics.no/products/benchmarks.html

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