Date: Mon, 22 Jan 1996 05:10:05 -0800 From: David Greenman <davidg@Root.COM> To: Greg Lehey <lehey.pad@sni.de> Cc: hackers@freebsd.org (Hackers; FreeBSD) Subject: Re: stanford benchmark/usenix Message-ID: <199601221310.FAA14741@Root.COM> In-Reply-To: Your message of "Mon, 22 Jan 1996 13:58:56 %2B0700." <199601221302.OAA11824@nixpbe.pdb.sni.de>
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>Yes, I thought of that. The alterneative of being able to run the >versions on all processors rather defeats the advantage: I had thought Not at all. Most of the optimizations that can be made don't use CPU-specific instructions. It's all in just organizing the instructions a little differently are making some algorithmic changes to take better advantage of difference cache quirks. >of a part of the system startup that checks the processor type and >puts in the correct hard links (symlinks are slower) before any >program gets started. It would probably be a good idea to have an >emergency program which reinstated the generic libraries, too. Not necessary. -DG David Greenman Core Team/Principal Architect, The FreeBSD Project
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