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Article #6860Re: Example pgm that is 3X slower on SS2 than on SS1+
From: Dick St.Peters
Date: Mon, 18 Feb 1991 18:43
Date: Mon, 18 Feb 1991 18:43
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In article <1548@brchh104.bnr.ca> mark@mips.com (Mark G. Johnson) writes: > >Here is a short C program that runs 3 times faster on a SS1+ than on a >SS2. Well, it may run faster on Mark's SS1+, but when I just tried it, it sure ran a *lot* faster on a 2 (5.5u) than a 1+ (59.8u). Those are time for the program exactly as he posted it, compiled with the standard cc, also just as he posted. However, Mark does seem to be onto something. Compiling the program in a variety of ways, I did get an enormous range of run times on both machines. Dick St.Peters, GE Corporate R&D, Schenectady, NY stpeters@crd.ge.com uunet!crd.ge.com!stpeters
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!cunews!bnrgate!brtph3!brchh104!brchs1!bnr.ca!rice.edu!sun-spots-request From: stpeters@dawn.crd.ge.com (Dick St.Peters) Newsgroups: comp.sys.sun Subject: Re: Example pgm that is 3X slower on SS2 than on SS1+ Keywords: Miscellaneous Message-ID: <1671@brchh104.bnr.ca> Date: 18 Feb 91 18:43:00 GMT Sender: news@brchh104.bnr.ca Organization: Sun-Spots Lines: 17 Approved: Sun-Spots@rice.edu X-Original-Date: 10 Feb 91 00:57:16 GMT X-Refs: Original: v10n35 X-Sun-Spots-Digest: Volume 10, Issue 41, message 2 X-Note: Submissions: sun-spots@rice.edu, Admin: sun-spots-request@rice.edu