RE: [PHP-DEV] Re: Benchmark Results for PHP Master 2015-11-19

Hi everyone, > -----Original Message----- > From: Andrea Faulds [mailto:ajf@ajf.me] > Sent: Friday, November 20, 2015 12:44 PM > To: internals@lists.php.net > Subject: [PHP-DEV] Re: Benchmark Results for PHP Master 2015-11-19 > > Hi everyone, > > lp_benchmark_robot@intel.com wrote: > > Results for project PHP master, build date 2015-11-19 05:26:43+02:00 > > commit: 84610b1f3904069f6fc0754c807a3f5cd58a4010 > > revision date: 2015-11-19 00:47:08+03:00 > > environment: Haswell-EP > > cpu: Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz 2x18 cores, > stepping 2, LLC 45 MB > > mem: 128 GB > > os: CentOS 7.1 > > kernel: Linux 3.10.0-229.4.2.el7.x86_64 > > > > Baseline results were generated using release php-7.0.0beta3, with > hash > > 1674bd9b151ff389fb8c9fc223bc6aafdd49ff2c from 2015-08-05 > 04:56:40+00:00 > > > > ---------------------------------------------------------------------- > --------------------- > > benchmark relative change since change > since current rev run > > std_dev* last run > baseline with PGO > > ---------------------------------------------------------------------- > --------------------- > > :-) Wordpress 4.2.2 cgi -T10000 0.19% -0.63% > 2.42% 8.07% > > :-) Drupal 7.36 cgi -T10000 0.31% 0.84% > 1.67% 3.56% > > :-| MediaWiki 1.23.9 cgi -T5000 0.43% 0.10% > 0.77% 3.71% > > :-) bench.php cgi -T1 0.38% 0.84% > 2.30% 5.79% > > :-) micro_bench.php cgi -T1 0.05% -0.65% > 1.22% 5.23% > > :-( mandelbrot.php cgi -T1 0.13% -21.01% - > 21.64% 23.09% > > ---------------------------------------------------------------------- > --------------------- > > I'm wondering why Mandelbrot.php has gone down by -21%. Compare the > commits since the previous benchmark: > > https://github.com/php/php- > src/compare/a6cc322b4da9fa32faeb7d5aa43ddf7202a19ae4...366ba41334870f325 > f248d8e486e3ebf8bafb984 > > I wondered if my void return type commit was the culprit for the > Mandelbrot slowdown, but having looked at what Mandelbrot.php does, it > doesn't seem like it would be affected. There's very few function calls > in there. Please ignore the Mandelbrot result. It seems it was a measurement error, as we were unable to reproduce it on the same commit with additional runs. > > Dmitry changed some things in opcache, could that be it? > > Thanks. > > -- > Andrea Faulds > http://ajf.me/ > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php Kind Regards, Bogdan