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Date: Mon, 18 Aug 2014 10:01:28 +0200
Message-ID: <CAEZPtU5sVFN62cQbsFfemKBF1iAu8c1pHAQX++vFRdhC-Prc8w@mail.gmail.com>
To: Sebastian Bergmann <sebastian@php.net>
Cc: PHP internals <internals@lists.php.net>
Content-Type: text/plain; charset=UTF-8
Subject: Re: [PHP-DEV] [RFC] Introduce Abstract Syntax Tree
From: pierre.php@gmail.com (Pierre Joye)

On Mon, Aug 18, 2014 at 9:52 AM, Sebastian Bergmann <sebastian@php.net> wrote:
> Am 18.08.2014 um 09:32 schrieb Dmitry Stogov:
>> Can OPcahce always keep AST in shared memory and don't copy it into
>> process memory on each request? (ext/opcache/zend_accelerator_util_funcs.c)
>
>  Why would the AST need to be cached?

I can imagine optimizations happening during the cache lifetime and
not only right on the 1st request/compilation. Having the AST at hand
can be handy.

Cheers,
-- 
Pierre

@pierrejoye | http://www.libgd.org