XHProf: Hierarchical Profiler Report

Diff Report: Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad02c47d041: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #51ad024086f90	Run #51ad02c47d041	Diff	Diff%
Number of Function Calls	890	906	16	1.8%
Incl. Wall Time (microsec)	422	436	14	3.3%
Incl. Wall Time (microsec) per call	0	0	0	1.5%
Excl. Wall Time (microsec)	422	436	14	3.3%
Incl. CPU (microsecs)	1,165	1,186	21	1.8%
Incl. CPU (microsecs) per call	1	1	0	0.0%
Excl. CPU (microsec)	1,165	1,186	21	1.8%
Incl. MemUse (bytes)	61,704	62,360	656	1.1%
Incl. MemUse (bytes) per call	69	69	-1	-0.7%
Excl. MemUse (bytes)	61,704	62,360	656	1.1%
Incl. PeakMemUse (bytes)	12,096	12,136	40	0.3%
Incl. PeakMemUse (bytes) per call	14	13	-0	-1.4%
Excl. PeakMemUse (bytes)	12,096	12,136	40	0.3%

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%	14	0.3%	21	0.7%	656	0.4%	40	0.0%
Exclusive Metrics Diff for Current Function			14	100.0%	21	100.0%	656	100.0%	40	100.0%
*Parent functions*
Symfony\Component\ClassLoader\ClassLoader::findFile	0	0.0%	6	42.9%	-3	-14.3%	-16	-2.4%	40	100.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	5	35.7%	-4	-19.0%	0	0.0%	0	0.0%
Twig_Environment::getCacheFilename	16	100.0%	3	21.4%	20	95.2%	672	102.4%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	0.0%	-3	-21.4%	1	4.8%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	3	21.4%	2	9.5%	0	0.0%	0	0.0%
theme@2	0	0.0%	3	21.4%	2	9.5%	0	0.0%	0	0.0%
devel_silent	0	0.0%	-1	-7.1%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	-1	-7.1%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Uuid\Php::generate	0	0.0%	-1	-7.1%	2	9.5%	0	0.0%	0	0.0%
Drupal\field_sql_storage\Entity\Tables::addField	0	0.0%	0	0.0%	-1	-4.8%	0	0.0%	0	0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols	0	0.0%	0	0.0%	1	4.8%	0	0.0%	0	0.0%
theme@1	0	0.0%	0	0.0%	-2	-9.5%	0	0.0%	0	0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	0	0.0%	2	9.5%	0	0.0%	0	0.0%
editor_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
drupal_settings_initialize	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
contextual_custom_theme	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
edit_custom_theme	0	0.0%	0	0.0%	1	4.8%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%