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To: "Dmitry Stogov" <dmitry@zend.com>,
	"Nikita Popov" <nikic@php.net>,
	"Xinchen Hui" <xinchen.hui@roguewave.com>
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Date: Fri, 5 May 2017 14:26:26 -0500
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Subject: Re: [PHP-DEV] HYBRID VM
From: php_lists@realplain.com ("Matt Wilmas")

Hi Dmitry,

----- Original Message -----
From: "Dmitry Stogov"
Sent: Wednesday, May 03, 2017

> Hi,
>
>
> I propose a new VM instruction dispatch technique, that provides great 
> speed up on small benchmarks (1.5 times on bench.php)

Interesting. :-) How does this compare to pure GOTO dispatch...?

> Please review https://github.com/php/php-src/pull/2507
>
> Take into account, that HYBRID VM is not enabled by default and VM has to 
> be regenerated by "php zend_vm_gen.php --with-vm-kind=HYBRID"
>
>
> It doesn't work with phpdbg, out of the box, and may make some troubles to 
> xdebug and other system extensions.
>
>
> I'm going to commit this into master after review and then rise question 
> about enabling it by default in PHP-7.2.
>
>
> Thanks. Dmitry.

- Matt