XHProf: Hierarchical Profiler Report

Diff Report: Run #51ad06ef28a53: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad0610ca11a: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #51ad06ef28a53	Run #51ad0610ca11a	Diff	Diff%
Number of Function Calls	1,188	1,172	-16	-1.3%
Incl. Wall Time (microsec)	594	576	-18	-3.0%
Incl. Wall Time (microsec) per call	1	0	-0	-1.7%
Excl. Wall Time (microsec)	594	576	-18	-3.0%
Incl. CPU (microsecs)	1,572	1,574	2	0.1%
Incl. CPU (microsecs) per call	1	1	0	1.5%
Excl. CPU (microsec)	1,572	1,574	2	0.1%
Incl. MemUse (bytes)	86,880	86,224	-656	-0.8%
Incl. MemUse (bytes) per call	73	74	0	0.6%
Excl. MemUse (bytes)	86,880	86,224	-656	-0.8%
Incl. PeakMemUse (bytes)	15,688	15,624	-64	-0.4%
Incl. PeakMemUse (bytes) per call	13	13	0	1.0%
Excl. PeakMemUse (bytes)	15,688	15,624	-64	-0.4%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
substr	-16	-100.0%	-18	-0.3%	2	0.1%	-656	-0.4%	-64	-0.0%
Exclusive Metrics Diff for Current Function			-18	-100.0%	2	100.0%	-656	-100.0%	-64	-100.0%
*Parent functions*
Symfony\Component\ClassLoader\ClassLoader::findFile	0	0.0%	-12	-66.7%	32	1600.0%	16	2.4%	0	0.0%
Doctrine\Common\Annotations\DocLexer::getType	0	0.0%	-6	-33.3%	1	50.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	3	16.7%	1	50.0%	0	0.0%	0	0.0%
Twig_Environment::getCacheFilename	-16	-100.0%	3	16.7%	-15	-750.0%	-672	-102.4%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	-3	-16.7%	-2	-100.0%	0	0.0%	0	0.0%
Doctrine\Common\Annotations\DocParser::parse	0	0.0%	-3	-16.7%	-3	-150.0%	0	0.0%	0	0.0%
theme@2	0	0.0%	-2	-11.1%	-2	-100.0%	0	0.0%	0	0.0%
devel_silent	0	0.0%	-1	-5.6%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	1	5.6%	-3	-150.0%	0	0.0%	-64	-100.0%
theme@4	0	0.0%	1	5.6%	-4	-200.0%	0	0.0%	0	0.0%
Drupal\Component\Uuid\Php::generate	0	0.0%	1	5.6%	3	150.0%	0	0.0%	0	0.0%
text_summary	0	0.0%	0	0.0%	1	50.0%	0	0.0%	0	0.0%
Doctrine\Common\Annotations\DocParser::parse@1	0	0.0%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%
theme@1	0	0.0%	0	0.0%	1	50.0%	0	0.0%	0	0.0%
Drupal\field_sql_storage\Entity\Tables::addField	0	0.0%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	0.0%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%
Drupal\views\Plugin\views\query\Sql::add_field	0	0.0%	0	0.0%	3	150.0%	0	0.0%	0	0.0%
edit_custom_theme	0	0.0%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%
contextual_custom_theme	0	0.0%	0	0.0%	1	50.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	0	0.0%	-2	-100.0%	0	0.0%	0	0.0%
drupal_settings_initialize	0	0.0%	0	0.0%	1	50.0%	0	0.0%	0	0.0%
editor_custom_theme	0	0.0%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	0	0.0%	-8	-400.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols	0	0.0%	0	0.0%	-1	-50.0%	0	0.0%	0	0.0%
url	0	0.0%	0	0.0%	2	100.0%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct	0	0.0%	0	0.0%	1	50.0%	0	0.0%	0	0.0%