Article View: comp.arch
Article #10414optional uncached load/store
From: Allen Baum
Date: Tue, 23 Apr 1991 22:41
Date: Tue, 23 Apr 1991 22:41
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In article <1991Apr23.053619.13474@kithrup.COM>, sef@kithrup.COM (Sean Eric Fagan) writes: > Perhaps that's where a 'don't cache' attribute on a load/store might be > useful... You could probably do it now by having telling the OS to not > cache the page your data are in (although that won't work on all systems). > At least one paper I read advocated this as an optimization- it didn't try to cache data it knew would be used and then thrown away, or that it would store and throw away. It mentioned that it was more difficult if cache lines were longer than 1 word.....hm
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!apple!baum@apple.com From: baum@apple.com (Allen Baum) Newsgroups: comp.arch Subject: optional uncached load/store Message-ID: <51902@apple.Apple.COM> Date: 23 Apr 91 22:41:58 GMT References: <1991Apr15.193425.3436@waikato.ac.nz> <SPOT.91Apr18123711@WOOZLE.GRAPHICS.CS.CMU.EDU> <PUWA8R4@xds13.ferranti.com> <1991Apr23.053619.13474@kithrup.COM> Sender: nntp@Apple.COM Organization: Apple Computer Lines: 10