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From: jsp@b.gp.cs.cmu.edu.UUCP
Newsgroups: comp.arch
Subject: Simulation eats MIPS
Message-ID: <40@b.gp.cs.cmu.edu>
Date: Sun, 14-Jun-87 00:48:31 EDT
Article-I.D.: b.40
Posted: Sun Jun 14 00:48:31 1987
Date-Received: Sun, 14-Jun-87 18:37:55 EDT
Reply-To: jsp@b.gp.cs.cmu.edu (John Pieper)
Organization: Carnegie-Mellon University, CS/RI
Lines: 26

Keywords:


Hear, Hear! I am doing a relatively simple simulation of intercell
communication in a three-cell systolic array (I cut it down as much as
I could). Even though I can simulate a blazing 1 million clocks/second,
Ithe programs I am simulating run for 100's and thousands of mega-clocks.
And I need to simulate 72 programs, each 10 times (varying a parameter).
One program ran 2 giga-clocks before the simulation died and said "clock
overflow". *That* took two days, and 2200 minutes of CPU time on an 8650.
I don't know what I'd do if all I had was an 11/785. It would be real nice
to have 720 Suns. Then I'd be done in two days, instead of four weeks. Or
one real fast one :-). BTW, the simulator takes only 64K, and a typical
output file is only 1K... 
--
-------------------------------------------------------------
John Pieper				 jsp@n.sp.cs.cmu.edu
Computer Science Department
Carnegie-Mellon University
Pittsburgh, Pa 15213
	"Supersonicous Siliconous"? What we need is Warp speed!
-- 
-------------------------------------------------------------
John Pieper				 jsp@n.sp.cs.cmu.edu
Computer Science Department
Carnegie-Mellon University
Pittsburgh, Pa 15213
	"Supersonicous Siliconous"? What we need is Warp speed!