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To: Greg Lehey <lehey.pad@sni.de>
cc: hackers@freebsd.org (Hackers; FreeBSD)
Subject: Re: stanford benchmark/usenix 
In-reply-to: Your message of "Mon, 22 Jan 1996 13:58:56 +0700."
             <199601221302.OAA11824@nixpbe.pdb.sni.de> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Mon, 22 Jan 1996 05:10:05 -0800
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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