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Article #11215Re: 64 bit Alpha AXP -vs- 32 bit computers
From: Peter Michael Klausler
Date: Wed, 18 Nov 1992 15:29
Date: Wed, 18 Nov 1992 15:29
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In article <BxvEJw.6Bu@rice.edu> preston@miranda.cs.rice.edu (Preston Briggs) writes: > >Another nice use is to speed up bit-wise computation. >For example, many compilers do lots of data-flow analysis, >summarizing results in long bit vectors; say, O(1000) bit chunks. >It's surely faster to AND and OR these things 64 bits at a time, >not to mention the reduced fetches from cache. It's even more fun to use real vector registers for those bit vectors.
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Newsgroups: comp.arch Path: arc1-ca.pugleaf.net!sparky!uunet!moliere!pmk From: pmk@moliere.uucp (Peter Michael Klausler) Subject: Re: 64 bit Alpha AXP -vs- 32 bit computers Message-ID: <1992Nov18.152940.5851@moliere.uucp> Organization: Lilydale DFL Refreshments Committee & Rhythm Section References: <1992Nov17.162014.6506@chpc.utexas.edu> <BxvEJw.6Bu@rice.edu> Date: Wed, 18 Nov 1992 15:29:40 GMT Lines: 10