XHProf: Hierarchical Profiler Report

Diff Report: Run #52e48e674e7b6: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e48ef364ce3: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #52e48e674e7b6	Run #52e48ef364ce3	Diff	Diff%
Number of Function Calls	151	155	4	2.6%
Incl. Wall Time (microsec)	117	125	8	6.8%
Incl. Wall Time (microsec) per call	1	1	0	4.1%
Excl. Wall Time (microsec)	117	125	8	6.8%
Incl. CPU (microsecs)	211	219	8	3.8%
Incl. CPU (microsecs) per call	1	1	0	1.1%
Excl. CPU (microsec)	211	219	8	3.8%
Incl. MemUse (bytes)	19,720	19,952	232	1.2%
Incl. MemUse (bytes) per call	131	129	-2	-1.4%
Excl. MemUse (bytes)	19,720	19,952	232	1.2%
Incl. PeakMemUse (bytes)	4,920	4,688	-232	-4.7%
Incl. PeakMemUse (bytes) per call	33	30	-2	-7.2%
Excl. PeakMemUse (bytes)	4,920	4,688	-232	-4.7%

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	4	100.0%	8	2.5%	8	2.0%	232	0.5%	-232	-0.5%
Exclusive Metrics Diff for Current Function			8	100.0%	8	100.0%	232	100.0%	-232	-100.0%
*Parent functions*
Twig_Environment::getCacheFilename	4	100.0%	7	87.5%	4	50.0%	232	100.0%	-136	-58.6%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	-3	-37.5%	1	12.5%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	2	25.0%	-1	-12.5%	0	0.0%	0	0.0%
Drupal\Core\Config\Entity\Query\Query::execute	0	0.0%	1	12.5%	2	25.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	1	12.5%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\ParamConverter\EntityConverter::convert	0	0.0%	0	0.0%	-1	-12.5%	0	0.0%	0	0.0%
theme@1	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::query	0	0.0%	0	0.0%	2	25.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols	0	0.0%	0	0.0%	-1	-12.5%	0	0.0%	0	0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass	0	0.0%	0	0.0%	2	25.0%	0	0.0%	0	0.0%
theme@2	0	0.0%	0	0.0%	1	12.5%	0	0.0%	0	0.0%
theme	0	0.0%	0	0.0%	3	37.5%	0	0.0%	-96	-41.4%
drupal_settings_initialize	0	0.0%	0	0.0%	1	12.5%	0	0.0%	0	0.0%
Composer\Autoload\ClassLoader::findFile	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	0	0.0%	-4	-50.0%	0	0.0%	0	0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces	0	0.0%	0	0.0%	-1	-12.5%	0	0.0%	0	0.0%