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From: mac@uvacs.CS.VIRGINIA.EDU (Alex Colvin)
Newsgroups: comp.arch
Subject: Re: chewing up mips with graphics
Message-ID: <1613@uvacs.CS.VIRGINIA.EDU>
Date: Thu, 25-Jun-87 11:12:58 EDT
Article-I.D.: uvacs.1613
Posted: Thu Jun 25 11:12:58 1987
Date-Received: Sat, 27-Jun-87 05:28:08 EDT
References: <8270@amdahl.amdahl.com> <359@rocky2.UUCP> <2194@mmintl.UUCP> <6771@beta.UUCP>
Organization: University of Virginia
Lines: 9
Keywords: simulation processors parrallelism MIPS
Summary: p*ssing it away

> 
> When Los Alamos went from 6 to 7 Crays a few years back, the Cray folks
> said that we did something that they had never seen...
> Gone from 6 saturated Crays at 6 PM to 7 saturated Crays at 6:30 the next
> morning.

Some load isn't spread out by adding processors.  I hear that the Los Almos
Crays spend much of their time processing characters in the tty drivers
and screen editors.