On Wed, Dec 9, 2015 at 4:48 AM, Jefferson Gonzalez <jgm...@gmail.com> wrote:
> On 12/08/2015 08:32 AM, Lester Caine wrote: > >> On 08/12/15 02:23, Rasmus Lerdorf wrote: >> >>> Ah, I just checked. You have no opcache at all in your PHP 7 setup. And >>> you have eaccelerator configured for PHP 5. So an opcode cached PHP 5 is >>> only 10% faster than a completely unaccelerated PHP 7. That's pretty damn >>> impressive! >>> >> >> Gallery page with heavier load >> Execute Memory Queries Database >> PHP5.4 >> eaccelerator off ... 0.60s 10.14Mb 153 0.39s >> eaccelerator on ... 0.49s 3.57Mb 153 0.39s >> PHP5.6 >> TODO >> PHP7 >> opcache off ... 0.50s 7.00Mb 153 0.30s >> opcache on ... 0.40s 2.00Mb 153 0.30s >> >> I'm still taking the 'twice as fast' claim with a pinch of salt, and I'm >> only seeing opcache is performing as well as eaccelorator, so the idea >> that PHP7 is an 'essential upgrade to improve performance' may have >> relevance with some applications, but for the average user simply >> upgrading the computer may have a better result? >> >> I'm still interested in the idea of improving async operations such as >> not having to wait for all database results until essential, and I'm a >> little curious why the database service time is so much shorter between >> 5 and 7 THAT is the major gain between versions. But I need to check if >> 'Execute' was the total or excludes the database element. I had thought >> it was the total as the 'Server Stats' also includes the percentage of >> time handing database queries. Since exactly the same database service >> is providing both they should be identical so something else is >> affecting that figure. >> >> Bottom line is that given the real world loading on my sites, the >> differences are probably in the noise of network transit times so not >> impressive at all :( >> >> > Well I did my own benchmark with my custom made CMS on AMD bulldozer: > > PHP 5.6 with opcache takes as a median 60ms to render a page. > > PHP 7.0 without opcache takes as a median 30ms to render a page. > > PHP 7.0 with opcache takes 5ms as a median to render a page. > > So as somebody already said, maybe your code or setup is really busted. > PHP 7.0 without opcache can be as twice as fast than PHP 5.6 with opcache, > while PHP 7.0 with opcache maps the floor with PHP 5.6. please take a look at the 90%, 95% and 99% percentiles as well. Medians and Averages are really bad for perf comparisons, especially in isolation. > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >
