Date: Wed, 9 Jul 1997 17:34:31 -0500 (EST) From: "John S. Dyson" <dyson@dyson.iquest.net> To: bsdhack@shadows.aeon.net (mika ruohotie) Cc: hackers@FreeBSD.ORG Subject: Re: PQ_LARGECACHE and page colouring Message-ID: <199707092234.RAA01099@dyson.iquest.net> In-Reply-To: <199707092048.XAA24685@shadows.aeon.net> from mika ruohotie at "Jul 9, 97 11:48:40 pm"
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> > > > if I add options PQ_LARGECACHE to the kernel config file. > > > something we with 512K cache should use or not? > > If you have a 512K direct mapped cache, it is significantly > > direct mapped? uh, mine's pipeline burst, fx chipset, soon tx. > (and 64 megs ram, i know not to use more) > The FX chipset definitely supported directed mapped caching, it is likely/possible that TX does also. You'll probably see a perf increase under most circumstances. Actually, it manifests itself as userland CPU operations simply being a little quicker when running large programs. John
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