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SubjectRe: Remote fork() and Parallel programming
Date
: >The fastest TCP latency I know of is about 80,000ns.  The fastest Unet
: >(no protocols, network mapped into the process' address space) latency
: >is about 30,000ns.
: >
:
: Are you sure about the 30,000ns figure? There are several solutions
: that claim 2-3 microsecond latency using some custom hardware and
: userspace libraries. These include
:
: Papers
: http://garage.ecn.purdue.edu/~papers/
:
: Shrimp
: http://www.CS.Princeton.EDU/shrimp/
:
: Parastation
: http://wwwipd.ira.uka.de/parastation/

You're right, I forgot about those. I was restricting myself to
standard hardware. But those results are really impressive. I'd
love to use them just for the distributed locks.

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