Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:38141 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 88793 invoked from network); 10 Jun 2008 13:31:49 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 10 Jun 2008 13:31:49 -0000 Authentication-Results: pb1.pair.com smtp.mail=dmitry@zend.com; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=dmitry@zend.com; sender-id=pass Received-SPF: pass (pb1.pair.com: domain zend.com designates 212.25.124.162 as permitted sender) X-PHP-List-Original-Sender: dmitry@zend.com X-Host-Fingerprint: 212.25.124.162 mail.zend.com Windows 2000 SP4, XP SP1 Received: from [212.25.124.162] ([212.25.124.162:41288] helo=mx1.zend.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 2C/8C-15621-4428E484 for ; Tue, 10 Jun 2008 09:31:49 -0400 Received: from ws.home ([10.1.1.1]) by mx1.zend.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 10 Jun 2008 16:31:49 +0300 Message-ID: <484E823F.2050301@zend.com> Date: Tue, 10 Jun 2008 17:31:43 +0400 User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Nuno Lopes CC: PHP Internals List , Andi Gutmans , Stanislav Malyshev References: <484E617D.6080508@zend.com> <484E722D.1090804@zend.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 10 Jun 2008 13:31:49.0290 (UTC) FILETIME=[55F850A0:01C8CAFE] Subject: Re: [PHP-DEV] [PATCH] Executor improvements From: dmitry@zend.com (Dmitry Stogov) The recursion elimination itself doesn't show any significant speed difference. Thanks. Dmitry. Nuno Lopes wrote: >> Nuno Lopes wrote: >>> Out of curiosity, what's the slowdown without fastcall? >> >> fastcall calling convention assumes passing parameters in registers >> instead of pushing them on stack. > > yeah, I know. I was asking what's the slowdown that this patch > introduces without the fastcall bits. > I'm asking this because you are mixing two different things on the same > patch. I was just curious on what's hidden in the patch. > > Nuno