note 91423 added to control-structures.goto
| From: | ray dot rwalk2730 at gmail dot com | Date: | Tue, 09 Jun 2009 23:14:14 +0000 |
| Subject: | note 91423 added to control-structures.goto | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-156690@lists.php.net to get a copy of this message | ||
True, however goto's fight branch prediction logic and cause pipelines to be unnecessarily
emptied. This is because they are built around expected complier usage not application usage, which
appears as random to branch prediction logic. Therefore, gotos fight CPU optimizations.
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Manual Page -- http://www.php.net/manual/en/control-structures.goto.php
Edit -- https://master.php.net/note/edit/91423
Del: integrated -- https://master.php.net/note/delete/91423/integrated
Del: useless -- https://master.php.net/note/delete/91423/useless
Del: bad code -- https://master.php.net/note/delete/91423/bad+code
Del: spam -- https://master.php.net/note/delete/91423/spam
Del: non-english -- https://master.php.net/note/delete/91423/non-english
Del: in docs -- https://master.php.net/note/delete/91423/in+docs
Del: other reasons-- https://master.php.net/note/delete/91423
Reject -- https://master.php.net/note/reject/91423
Search -- https://master.php.net/manage/user-notes.php