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Date: Thu, 19 Apr 2018 14:41:06 +0000
Message-ID: <CAMA5aFZajoQtGPoZUYZXSyjNikJBCNuyzE5ojm1W1YPE4KjO9A@mail.gmail.com>
To: Nicolas Grekas <nicolas.grekas+php@gmail.com>
Cc: internals@lists.php.net
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Subject: Re: [PHP-DEV] Performance optimization ideas for PHP 7.3
From: albertcasademont@gmail.com (Albert Casademont)

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Hi Nicolas,

Don=E2=80=99t you think the biggest performance upgrade that PHP could brin=
g is a
real application server that could keep the app bootsrapped between
requests, much like php-pm/reactphp/aerys are trying to do?

Best,

Albert

On Thu, 19 Apr 2018 at 16:11, Nicolas Grekas <nicolas.grekas+php@gmail.com>
wrote:

> Hello internals,
>
> During the last months, I've been working on optimizing Symfony/Twig for
> PHP7.
> I found a few situations where the PHP engine could likely be optimized,
> and where it would benefit real-world apps.
>
> In each case, these might look like micro-optimizations, but they are not
> in hot loops.
> Here are the links to issues I created in the php bug tracker:
>
> - Class constants are slow: they should be inlined at runtime -
> https://bugs.php.net/76178
> - Add array_key_exists() to the list of specialy compiled functions -
> https://bugs.php.net/76148
> - Don't trigger copy-on-write when assigning same value -
> https://bugs.php.net/76150
>
> As a bonus, I also created this one today:
> - Add hrtime() to zend_try_compile_special_func() -
> https://bugs.php.net/76241
>
> It would be awesome if those ideas could be implemented in a future PHP
> version.
> (I'm sorry I don't have the knowledge to do it myself.)
>
> Keep up the good work!
>
> Nicolas
>

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