Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:70279 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 13068 invoked from network); 22 Nov 2013 09:19:27 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 22 Nov 2013 09:19:27 -0000 Authentication-Results: pb1.pair.com smtp.mail=yohgaki@gmail.com; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=yohgaki@gmail.com; sender-id=pass Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.217.173 as permitted sender) X-PHP-List-Original-Sender: yohgaki@gmail.com X-Host-Fingerprint: 209.85.217.173 mail-lb0-f173.google.com Received: from [209.85.217.173] ([209.85.217.173:46528] helo=mail-lb0-f173.google.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id E6/D2-28674-E912F825 for ; Fri, 22 Nov 2013 04:19:27 -0500 Received: by mail-lb0-f173.google.com with SMTP id u14so707053lbd.18 for ; Fri, 22 Nov 2013 01:19:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; bh=eh4j+QWa8BefPK4t/ucr6cWXzqKbqNQylTnzDgaxqB4=; b=f8jASBUfCgZc+pX4vd9mPDt8jQE/1Q38WknUVXMcok0Obd2orUHsla0YlB+WyZfRQY R6/Z05aq72FYSQnTErk+GRq44IbLhBiE4bfCleQFT0TYbBQMfy78XE92DCBOjcu06rvv OCZx9cvRyXqtfMM4Bmv85qNIliP6b9UnGX2regpf1y0mb/ZI6eqOa454/ae2sBODrss3 E3HzTs4Sq4sOM3mKNFQ4EGveT6YAZqdb7zH/EJQ2cKy5G/QIfeEphsHqp0pOovNvTOPJ p1SJbF8mBuzq8rCiA/71lXdEGXPESC82ifEYQg4TO72O+/Vd45kL02FCb5CLY/QBzGiC fP3w== X-Received: by 10.152.8.18 with SMTP id n18mr9018659laa.24.1385111963295; Fri, 22 Nov 2013 01:19:23 -0800 (PST) MIME-Version: 1.0 Sender: yohgaki@gmail.com Received: by 10.112.154.201 with HTTP; Fri, 22 Nov 2013 01:18:43 -0800 (PST) In-Reply-To: References: Date: Fri, 22 Nov 2013 18:18:43 +0900 X-Google-Sender-Auth: nibCbCED6neceiA45_Ubjwqtwb4 Message-ID: To: Tjerk Meesters Cc: Bob Weinand , List PHP Mailing List Content-Type: multipart/alternative; boundary=001a11c34ede8be45b04ebc08276 Subject: Re: [PHP-DEV] [RFC] [VOTE] Constant scalar expressions From: yohgaki@ohgaki.net (Yasuo Ohgaki) --001a11c34ede8be45b04ebc08276 Content-Type: text/plain; charset=UTF-8 On Fri, Nov 22, 2013 at 2:38 PM, Tjerk Meesters wrote: > [yohgaki@dev tmp]$ php bench.php >> Time: 6.4104981422424 >> Time: 7.7053151130676 20.198383060014% slower >> Time: 8.022579908371 25.14752723358% slower >> Time: 7.5032601356506 17.046444272519% slower >> Time: 7.713919878006 20.332612331241% slower >> > > This is way too much variation to be reliable. > > VM was working while executing the script :p > Actually, the test should be done against two separate builds: > 1) build without patch > 2) build with patch > I agree. Since the script includes loop overhead, pure difference is much larger. It's a small difference, but people are working remove unnecessary memory indirection, etc for better performance. We might be better to consider extending define(). Regards, -- Yasuo Ohgaki yohgaki@ohgaki.net --001a11c34ede8be45b04ebc08276--