From owner-freebsd-hackers Sat Dec 23 17:58:27 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA11067 for hackers-outgoing; Sat, 23 Dec 1995 17:58:27 -0800 (PST) Received: from asstdc.scgt.oz.au (root@asstdc.scgt.oz.au [202.14.234.65]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id RAA11061 for ; Sat, 23 Dec 1995 17:58:23 -0800 (PST) Received: (from imb@localhost) by asstdc.scgt.oz.au (8.6.12/BSD4.4) id MAA09624; Sun, 24 Dec 1995 12:57:50 +1100 From: michael butler Message-Id: <199512240157.MAA09624@asstdc.scgt.oz.au> Subject: Re: Pentium bcopy To: tege@matematik.su.se (Torbjorn Granlund) Date: Sun, 24 Dec 1995 12:57:48 +1100 (EST) Cc: freebsd-hackers@freebsd.org In-Reply-To: <199512240116.CAA26645@insanus.matematik.su.se> from "Torbjorn Granlund" at Dec 24, 95 02:15:58 am X-Mailer: ELM [version 2.4 PL24beta] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org Precedence: bulk Torbjorn Granlund writes: > The reason that this is so much faster is that it uses the dual-ported > cache is a near-optimal way. Does this approach demonstrate any significant penalties with less sophisticated cache architectures, for example 386DX or non-pipelined ? michael