From owner-freebsd-hackers Thu Apr 26 22:36:17 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from ns.internet.dk (ns.internet.dk [194.19.140.1]) by hub.freebsd.org (Postfix) with ESMTP id 2C43137B422 for ; Thu, 26 Apr 2001 22:36:13 -0700 (PDT) (envelope-from leifn@neland.dk) Received: (from uucp@localhost) by ns.internet.dk (8.11.2/8.11.2) id f3R5a5O95169 for freebsd-hackers@FreeBSD.ORG.AVP; Fri, 27 Apr 2001 07:36:05 +0200 (CEST) (envelope-from leifn@neland.dk) Received: (from uucp@localhost) by ns.internet.dk (8.11.2/8.11.2) with UUCP id f3R5a5O95163 for freebsd-hackers@FreeBSD.ORG; Fri, 27 Apr 2001 07:36:05 +0200 (CEST) (envelope-from leifn@neland.dk) Received: from gina (gina.neland.dk [192.168.5.100] (may be forged)) by arnold.neland.dk (8.11.3/8.11.0) with SMTP id f3R5Zwd71095 for ; Fri, 27 Apr 2001 07:35:59 +0200 (CEST) (envelope-from leifn@neland.dk) Message-ID: <00d701c0cedc$1ee190c0$6405a8c0@neland.dk> From: "Leif Neland" Cc: References: <200104171836.LAA06378@akira.lanfear.com> <000001c0c777$f9529b30$215778d8@cx443070b> <20010426175906.B88522@peorth.iteration.net> <3AE8D4DC.E0E35042@bellatlantic.net> Subject: Re: x86-64 Hammer and IA64 Itainium Date: Fri, 27 Apr 2001 07:37:15 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by ns.internet.dk id f3R5a5O95163 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG ----- Original Message ----- From: "Sergey Babkin" To: "Michael C . Wu" Cc: "Jeremiah Gowdy" ; Sent: Friday, April 27, 2001 4:09 AM Subject: Re: x86-64 Hammer and IA64 Itainium > Anothing interesting point is that the optimisation for IA-64 > seems to be highly processor-specific: the code optimized for > Itanium won't be optimal for McKinley and vice versa. I've heard > an estimation of about 1.5 times speed increase due to the > model-specific optimisation. > Perhaps commercial software will need to come in (encrypted) source and be compiled to the the current processor... Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message