Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:74238 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 41238 invoked from network); 15 May 2014 21:12:02 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 15 May 2014 21:12:02 -0000 Authentication-Results: pb1.pair.com smtp.mail=ulf.wendel@phpdoc.de; spf=permerror; sender-id=unknown Authentication-Results: pb1.pair.com header.from=ulf.wendel@phpdoc.de; sender-id=unknown Received-SPF: error (pb1.pair.com: domain phpdoc.de from 85.13.130.122 cause and error) X-PHP-List-Original-Sender: ulf.wendel@phpdoc.de X-Host-Fingerprint: 85.13.130.122 dd5506.kasserver.com Received: from [85.13.130.122] ([85.13.130.122:42906] helo=dd5506.kasserver.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id DF/30-33681-5F925735 for ; Thu, 15 May 2014 16:56:22 -0400 Received: from [192.168.43.6] (unknown [46.115.154.243]) by dd5506.kasserver.com (Postfix) with ESMTPA id 0B31C31214BA for ; Thu, 15 May 2014 22:56:17 +0200 (CEST) Message-ID: <537529EA.4060104@phpdoc.de> Date: Thu, 15 May 2014 22:56:10 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: internals@lists.php.net References: In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] [rfc] 64bit usage, actual memory usage using real life apps From: ulf.wendel@phpdoc.de (Ulf Wendel) Am 15.05.2014 01:33, schrieb Pierre Joye: > There is indeed more memory used but it is less than one could expect > and very acceptable given the benefits provided by the patch. After all the critique, and in all fairness, you certainly deserve a praise for doing these tests! As for the figures itself, 5% may not sound much but one shall keep in mind that modern CPUs hate main memory accesses. Main memory has become a severe bottleneck for these massive parallel number crunching monsters. And, the trend seems clear. Ulf