Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:71489 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 75227 invoked from network); 24 Jan 2014 09:34:47 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 24 Jan 2014 09:34:47 -0000 Authentication-Results: pb1.pair.com header.from=pierre.php@gmail.com; sender-id=pass Authentication-Results: pb1.pair.com smtp.mail=pierre.php@gmail.com; spf=pass; sender-id=pass Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.215.50 as permitted sender) X-PHP-List-Original-Sender: pierre.php@gmail.com X-Host-Fingerprint: 209.85.215.50 mail-la0-f50.google.com Received: from [209.85.215.50] ([209.85.215.50:50860] helo=mail-la0-f50.google.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 90/E9-39789-5B332E25 for ; Fri, 24 Jan 2014 04:34:46 -0500 Received: by mail-la0-f50.google.com with SMTP id ec20so2344512lab.37 for ; Fri, 24 Jan 2014 01:34:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=13WQhGTO++UE2UQZy3wWkrTR+KsudLmJkIZ0IYK2sF8=; b=mB853nKYz7MmxfBABn02Q27+c6uNaEir7qp0yaZmtrlTlKlNlEUXOA4bPV5oHB1Ech IyadJtmSjDoeEckQHOPM6m73i9UK7T5qw6hl1emQ/7hOrcSquUK3VaJxXdsnobqRAvfR rK+mowlvugaHYpMrUo9Dv6twa2auSXMtkwccmnwHrarKY1m9bpE1pm0e+2IGXULayP9i rpGHNMb/RqxP2dwsYgW09A4fRtYSxBLTsqdBYrvDno9gaLzU3ocilscQ+cwHL8zTtjVC RI9X+tpaxtwl4hTWHIirQA8XKLeH6ht942Bwe+nPORv+5AfNRAUuYYmiQCYrutFrMJh1 u8jg== MIME-Version: 1.0 X-Received: by 10.152.87.5 with SMTP id t5mr824147laz.43.1390556082349; Fri, 24 Jan 2014 01:34:42 -0800 (PST) Received: by 10.112.35.134 with HTTP; Fri, 24 Jan 2014 01:34:42 -0800 (PST) In-Reply-To: References: <52E0F55F.4040802@lsces.co.uk> <52E16AC2.8070400@ajf.me> Date: Fri, 24 Jan 2014 10:34:42 +0100 Message-ID: To: Dmitry Stogov Cc: Andrea Faulds , Derick Rethans , PHP Internals Content-Type: text/plain; charset=UTF-8 Subject: Re: [PHP-DEV] [RFC] 64 bit platform improvements for string length and integer From: pierre.php@gmail.com (Pierre Joye) On Fri, Jan 24, 2014 at 8:32 AM, Dmitry Stogov wrote: > Unfortunately, my benchmarks on Linux show that 64-bit PHP builds are always > a bit slower on real-life applications. > It's because 64-bit PHP uses more memory and as result causes more CPU cache > misses. That's something we can solve, it does not sound like a stopper to me. It is also about time to focus on 64bit much more widely, while keeping support for x32. -- Pierre @pierrejoye | http://www.libgd.org