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Date: Mon, 3 Dec 2012 16:33:55 +0100
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To: Dmitry Stogov <dmitry@zend.com>
Cc: Rasmus Lerdorf <rasmus@lerdorf.com>, Derick <derick@php.net>, julien pauli <jpauli@php.net>, 
	Yoram Bar Haim <yoram.b@zend.com>, PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] execute_data->Ts removing
From: nikita.ppv@gmail.com (Nikita Popov)

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On Mon, Dec 3, 2012 at 10:35 AM, Dmitry Stogov <dmitry@zend.com> wrote:

> The new proposed patch: http://pastebin.com/pj5fQTfN
>
> Now both execute_data->Ts and execute_data->CVs are removed and
> corresponding temporary and compiled variables accessed using
> "execute_data" as the base pointer. Temporary variables allocate directly
> before the "execute_data" in reverse order and compiled variables right
> after. So they can be accessed without any additional computations. The
> patch reduces the number of executed instructions and number of memory
> reads (about 8% less).
>

Did you also test how much these 8% less memory reads improve performance?
Would be interesting to know :)

Nikita

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