From owner-freebsd-hackers Fri May 7 8:16:13 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from devserv.devel.redhat.com (devserv.devel.redhat.com [207.175.42.156]) by hub.freebsd.org (Postfix) with ESMTP id CEAC715381 for ; Fri, 7 May 1999 08:16:00 -0700 (PDT) (envelope-from zab@zabbo.net) Received: from hoser.devel (hoser.devel.redhat.com [207.175.42.139]) by devserv.devel.redhat.com (8.8.7/8.8.7) with ESMTP id LAA27139; Fri, 7 May 1999 11:15:55 -0400 Received: from localhost (zab@localhost) by hoser.devel (8.9.3/8.8.7) with ESMTP id LAA01725; Fri, 7 May 1999 11:15:54 -0400 X-Authentication-Warning: hoser.devel: zab owned process doing -bs Date: Fri, 7 May 1999 11:15:53 -0400 (EDT) From: Zach Brown X-Sender: zab@hoser To: Matthew Dillon Cc: Andrew Reilly , freebsd-hackers@FreeBSD.ORG Subject: Re: Pentium-III and FreeBSD? In-Reply-To: <199905070056.RAA39946@apollo.backplane.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 6 May 1999, Matthew Dillon wrote: > trying to fine-tune some of the weirder instructions, though... it's > usually a waste of time and tends to obscure the larger issues that, > if fixed, would have yielded an even greater gain. A good example of do some profiling after doing clever things with the cache in some of the bulk operations (memcpy/memset/tcp checksumming/software raid/etc), thats all I'm suggesting :) > In regards to FP: The best place for extreme FP optimization is in > a high level FP library, not in native compiler-produced code. The yes. -- zach - - - - - - 007 373 5963 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message