Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:101076 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 18193 invoked from network); 7 Nov 2017 10:40:15 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 7 Nov 2017 10:40:15 -0000 Authentication-Results: pb1.pair.com header.from=lists@rhsoft.net; sender-id=pass Authentication-Results: pb1.pair.com smtp.mail=lists@rhsoft.net; spf=pass; sender-id=pass Received-SPF: pass (pb1.pair.com: domain rhsoft.net designates 91.118.73.15 as permitted sender) X-PHP-List-Original-Sender: lists@rhsoft.net X-Host-Fingerprint: 91.118.73.15 mail.thelounge.net Received: from [91.118.73.15] ([91.118.73.15:46231] helo=mail.thelounge.net) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 9D/1F-09857-C8D810A5 for ; Tue, 07 Nov 2017 05:40:14 -0500 Received: from rh.thelounge.net (Authenticated sender: h.reindl@thelounge.net) by mail.thelounge.net (THELOUNGE MTA) with ESMTPSA id 3yWQtG6XzfzXMb for ; Tue, 7 Nov 2017 11:40:06 +0100 (CET) To: internals@lists.php.net References: <64.21.07742.EF158F95@pb1.pair.com> <71.50.09857.3BBEAF95@pb1.pair.com> <6643d10b-8703-693c-15c2-da338022ef41@rhsoft.net> <18.19.09857.3E54CF95@pb1.pair.com> <941fd347-4a17-78b6-1bd7-4a5519aa722b@rhsoft.net> <67.8E.09857.7D58DF95@pb1.pair.com> <6A.75.09857.9F6EEF95@pb1.pair.com> <55fb932f-7f61-33eb-1fd9-aa425bc6ff27@rhsoft.net> <748869f7-13bb-5bdd-6fec-399a33b790b3@rhsoft.net> Message-ID: Date: Tue, 7 Nov 2017 11:40:06 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: de-CH Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] Re: RFC - Array Of for PHP 7 From: lists@rhsoft.net ("lists@rhsoft.net") Am 07.11.2017 um 11:21 schrieb Tony Marston: > wrote in message news:748869f7-13bb-5bdd-6fec-399a33b790b3@rhsoft.net... >>> Everybody knows that carrying around code which is either rarely used >>> or not used at all is an overhead >> >> everybody knows that claims without measure the impact are worthless > > Some things are so obvious that they do not need scientific proof. For > example, in a motor vehicle the power-to-weight ratio is important as it > affects engine performance and fuel economy. In other words, for a given > engine size the lower the weight of the car and the better the fuel > consumption. The more weight you add the lower the performance. Your car > has a heater which you only use when it's cold pretty sure you know why you removed "it can even happen that due the implementation other code paths which would not have been touched otherwise may get optimized due refactoring and the end result can be even faster in general" beause it may make all your claims and car comparison worthless at the end of the day software development is not pure physics and as example code-inlining as a optimization step of modern compilers proves that all your claims are wrong until the implementation exists and can be measured