Date: Mon, 22 Jan 1996 07:55:35 -0600 (CST) From: "Mike Pritchard" <mpp@mpp.minn.net> To: lehey.pad@sni.de (Greg Lehey) Cc: davidg@Root.COM, hackers@freebsd.org Subject: Re: stanford benchmark/usenix Message-ID: <199601221355.HAA20992@mpp.minn.net> In-Reply-To: <199601221224.NAA10132@nixpbe.pdb.sni.de> from "Greg Lehey" at Jan 22, 96 01:20:51 pm
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Greg Lehey wrote: > > > > >>>> David Greenman said: > > > > >Do we have pentium optimized bcopy and bzero ? > > > > > > > > > >Because some of the benchmarks could clearly benefit from them. > > > > > > > > After reading the Usenix paper on OS performance on Pentium machines, I'm > > > > inclined to add optimized code to our libc. Basically, get the processor typ > > > e > > > > (probably via sysctl) and use this to control which versions are called - > > > > similar to what I recently did with bzero in the kernel. [trimmed] > Wouldn't it make more sense to have separate libraries for each > processor type, and to install the appropriate versions? What if you want to share your /usr with a bunch of diskless machines of mixed cpu types? -- Mike Pritchard mpp@minn.net "Go that way. Really fast. If something gets in your way, turn"
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