Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:71457 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 86604 invoked from network); 23 Jan 2014 19:17:32 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 23 Jan 2014 19:17:32 -0000 Authentication-Results: pb1.pair.com smtp.mail=ajf@ajf.me; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=ajf@ajf.me; sender-id=pass Received-SPF: pass (pb1.pair.com: domain ajf.me designates 198.187.29.233 as permitted sender) X-PHP-List-Original-Sender: ajf@ajf.me X-Host-Fingerprint: 198.187.29.233 imap1.ox.registrar-servers.com Received: from [198.187.29.233] ([198.187.29.233:57302] helo=imap1.ox.registrar-servers.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id DF/69-39789-ACA61E25 for ; Thu, 23 Jan 2014 14:17:31 -0500 Received: from localhost (localhost [127.0.0.1]) by oxmail.registrar-servers.com (Postfix) with ESMTP id B2A1A200057; Thu, 23 Jan 2014 14:17:27 -0500 (EST) X-Virus-Scanned: Debian amavisd-new at imap1.ox.registrar-servers.com Received: from oxmail.registrar-servers.com ([127.0.0.1]) by localhost (imap1.ox.registrar-servers.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id SuUN1JoR3tmr; Thu, 23 Jan 2014 14:17:27 -0500 (EST) Received: from [192.168.0.200] (unknown [176.25.177.94]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by oxmail.registrar-servers.com (Postfix) with ESMTPSA id A729D2000A3; Thu, 23 Jan 2014 14:17:26 -0500 (EST) Message-ID: <52E16AC2.8070400@ajf.me> Date: Thu, 23 Jan 2014 19:17:22 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Dmitry Stogov , Derick Rethans CC: PHP Internals References: <52E0F55F.4040802@lsces.co.uk> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] [RFC] 64 bit platform improvements for string length and integer From: ajf@ajf.me (Andrea Faulds) On 23/01/14 13:12, Dmitry Stogov wrote: > It would be a significant performance degradation :) > Just imagine how to implement 64-bit multiplication and division on 32-bit > CPU. I doubt as much. Aren't the vast majority of servers 64-bit anyway? And those that aren't are probably just 32-bit-mode 64-bit CPU servers, which wouldn't be slow, right? -- Andrea Faulds http://ajf.me/