XHProf: Hierarchical Profiler Report

Diff Report: Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #52e4a1c03557c	Run #52e4a222581ef	Diff	Diff%
Number of Function Calls	145	149	4	2.8%
Incl. Wall Time (microsec)	30	31	1	3.3%
Incl. Wall Time (microsec) per call	0	0	0	0.6%
Excl. Wall Time (microsec)	30	31	1	3.3%
Incl. CPU (microsecs)	181	192	11	6.1%
Incl. CPU (microsecs) per call	1	1	0	3.2%
Excl. CPU (microsec)	181	192	11	6.1%
Incl. MemUse (bytes)	19,472	19,704	232	1.2%
Incl. MemUse (bytes) per call	134	132	-2	-1.5%
Excl. MemUse (bytes)	19,472	19,704	232	1.2%
Incl. PeakMemUse (bytes)	9,024	9,024	0	0.0%
Incl. PeakMemUse (bytes) per call	62	61	-2	-2.7%
Excl. PeakMemUse (bytes)	9,024	9,024	0	0.0%

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%	1	0.2%	11	5.2%	232	0.9%	0	0.0%
Exclusive Metrics Diff for Current Function			1	100.0%	11	100.0%	232	100.0%	0	N/A%
*Parent functions*
Twig_Environment::getCacheFilename	4	100.0%	-2	-200.0%	11	100.0%	232	100.0%	0	N/A%
Drupal\Core\ParamConverter\EntityConverter::convert	0	0.0%	0	0.0%	2	18.2%	0	0.0%	0	N/A%
Drupal\Core\Config\Entity\Query\Query::execute	0	0.0%	0	0.0%	-1	-9.1%	0	0.0%	0	N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces	0	0.0%	0	0.0%	-1	-9.1%	0	0.0%	0	N/A%
theme@1	0	0.0%	0	0.0%	1	9.1%	0	0.0%	0	N/A%
Drupal\Core\Database\Connection::query	0	0.0%	0	0.0%	-1	-9.1%	0	0.0%	0	N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols	0	0.0%	1	100.0%	1	9.1%	0	0.0%	0	N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
theme@2	0	0.0%	4	400.0%	1	9.1%	0	0.0%	0	N/A%
theme	0	0.0%	0	0.0%	-3	-27.3%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	0.0%	0	0.0%	6	54.5%	0	0.0%	0	N/A%
drupal_settings_initialize	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
Composer\Autoload\ClassLoader::findFile	0	0.0%	0	0.0%	-1	-9.1%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	0	0.0%	1	9.1%	0	0.0%	0	N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	3	300.0%	0	0.0%	0	0.0%	0	N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	-4	-400.0%	-5	-45.5%	0	0.0%	0	N/A%
request_path	0	0.0%	-1	-100.0%	0	0.0%	0	0.0%	0	N/A%