> On 5 May 2017, at 22:06, Dmitry Stogov <dmi...@zend.com> wrote:
> 
> It provides comparabele improvement on smal benchmarks, without degradation 
> on real apps.
> It can be compiled in reasonale time (GOTO requres significant time anda lot 
> of memory).
> Finally HYBRID fallbak to CALL if compiler doesn't provide necessary 
> extensions.

While at it how does this compare to jit branch?


> 
> Thanks. Dmitry.
> 
> On May 5, 2017 10:26 PM, Matt Wilmas <php_li...@realplain.com> wrote:
> 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
> 
> 

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