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SubjectRe: Minutes from Feb 21 LSE Call
On Sat, Feb 22, 2003 at 04:09:15PM -0800, Gerrit Huizenga wrote:
> On Sat, 22 Feb 2003 15:28:59 PST, Larry McVoy wrote:
> > On Sat, Feb 22, 2003 at 02:17:39PM -0800, William Lee Irwin III wrote:
> > > On Sat, Feb 22, 2003 at 05:06:27PM -0500, Mark Hahn wrote:
> > > > ccNUMA worst-case latencies are not much different from decent
> > > > cluster (message-passing) latencies.
> > >
> > > Not even close, by several orders of magnitude.
> >
> > Err, I think you're wrong. It's been a long time since I looked, but I'm
> > pretty sure myrinet had single digit microseconds. Yup, google rocks,
> > 7.6 usecs, user to user. Last I checked, Sequents worst case was around
> > there, right?
>
> You are going to drag 1994 technology into this to compare against
> something in 2003? Hmm. You might win on that comparison. But yeah,
> Sequent way back then was in that ballpark. World has moved forwards
> since then...

Really? "Several orders of magnitude"? Show me the data.
--
---
Larry McVoy lm at bitmover.com http://www.bitmover.com/lm
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