Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:89284
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain intel.com designates 192.55.52.88 as permitted sender)
To: 'Andrea Faulds' <ajf@ajf.me>, "internals@lists.php.net"
	<internals@lists.php.net>
Thread-Topic: [PHP-DEV] Re: Benchmark Results for PHP Master 2015-11-19
Thread-Index: AQHRIu0/P5FwYPxKjkSfnJh7C9YueJ6kuvSAgABDmAA=
Date: Fri, 20 Nov 2015 14:51:04 +0000
Message-ID: <0ABC26E371A76440A370CFC5EB1056CC40EAECB6@IRSMSX106.ger.corp.intel.com>
References: <17efe55f-9513-4912-9ba4-0377f2303b8b@irsmsx153.ger.corp.intel.com>
 <E0.00.21518.489FE465@pb1.pair.com>
In-Reply-To: <E0.00.21518.489FE465@pb1.pair.com>
Accept-Language: en-US
Content-Language: en-US
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: RE: [PHP-DEV] Re: Benchmark Results for PHP Master 2015-11-19
From: bogdan.andone@intel.com ("Andone, Bogdan")

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
>=20
> Hi everyone,
>=20
> 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%
> > ----------------------------------------------------------------------
> ---------------------
>=20
> I'm wondering why Mandelbrot.php has gone down by -21%. Compare the
> commits since the previous benchmark:
>=20
> https://github.com/php/php-
> src/compare/a6cc322b4da9fa32faeb7d5aa43ddf7202a19ae4...366ba41334870f325
> f248d8e486e3ebf8bafb984
>=20
> 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, a=
s
we were unable to reproduce it on the same commit with additional runs.=20

>=20
> Dmitry changed some things in opcache, could that be it?
>=20
> Thanks.
>=20
> --
> Andrea Faulds
> http://ajf.me/
>=20
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php

Kind Regards,
Bogdan