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Article #1591Re: instruction alignment and DIAG
From: Scott (nmi) Mattes
Date: Thu, 02 Jan 1992 12:53
Date: Thu, 02 Jan 1992 12:53
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2090 bytes
On Tue, 31 Dec 1991 21:56:48 EST Bruce Crabill said: >>My 9370 is a factor of 45 (yep, forty-five) times slower on unaligned loads. I ........ some deleted ........... >boundary and has to do an extra fetch. But on a 9375-60 I tried it on, >I got: > >Test Nanoseconds >-------- ----------- >L0 227.356 >L1 6114.775 >L2 6114.938 >L3 6044.049 >L4 227.360 >L5 6111.301 >L6 6113.570 >L7 6047.414 We had a 9370-60 here for awhile and the thing that stuck in my mind was that even with no one on it seemed to take forever, now I 'know' it wasn't just me. >By the way, I'm looking for other CPUs to run my benchmark on. PCMs are >welcome too. When I've collected enough results, I'll stick them on our >LISTSERV for anyone to pick up. It is a CPU intensive benchmark that >measures the execution time of a variety of normal user instructions. >It takes about 5 minutes to run on a 3090-180J class machine (or about >2 hours on the 9375-60...). I would love to have and run your benchmark. I can't offer anything current to run it on, just a 3081-32 kx. Scott | No success can compensate for failure in the home. David O. McKay Mattes | President 1951-70, Church of Jesus Christ of Latter-Day Saints
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Date: Thu, 2 Jan 1992 07:53:04 EST
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From: "Scott (nmi) Mattes" <COTRSSM@SEA04VM.NAVSEA.NAVY.MIL>
Subject: Re: instruction alignment and DIAG
In-Reply-To: Message of Tue,
31 Dec 1991 21:56:48 EST from
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