Re: HYBRID VM

> On 5 May 2017, at 22:06, Dmitry Stogov <dmitry@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_lists@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 > >