XHProf: Hierarchical Profiler Report

Diff Report: Run #52e49d73f02cb: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #52e49d73f02cb	Run #52e49caf3c7f2	Diff	Diff%
Number of Function Calls	416	412	-4	-1.0%
Incl. Wall Time (microsec)	322	351	29	9.0%
Incl. Wall Time (microsec) per call	1	1	0	10.1%
Excl. Wall Time (microsec)	322	351	29	9.0%
Incl. CPU (microsecs)	587	605	18	3.1%
Incl. CPU (microsecs) per call	1	1	0	4.1%
Excl. CPU (microsec)	587	605	18	3.1%
Incl. MemUse (bytes)	30,264	30,064	-200	-0.7%
Incl. MemUse (bytes) per call	73	73	0	0.3%
Excl. MemUse (bytes)	30,264	30,064	-200	-0.7%
Incl. PeakMemUse (bytes)	3,904	4,040	136	3.5%
Incl. PeakMemUse (bytes) per call	9	10	0	4.5%
Excl. PeakMemUse (bytes)	3,904	4,040	136	3.5%

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%	29	1.2%	18	0.9%	-200	-0.3%	136	0.2%
Exclusive Metrics Diff for Current Function			29	100.0%	18	100.0%	-200	-100.0%	136	100.0%
*Parent functions*
Symfony\Component\Routing\RouteCompiler::compilePattern	0	0.0%	26	89.7%	-4	-22.2%	0	0.0%	0	0.0%
Twig_Environment::getCacheFilename	-4	-100.0%	9	31.0%	10	55.6%	-232	-116.0%	136	100.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	0.0%	-3	-10.3%	8	44.4%	0	0.0%	0	0.0%
Drupal\Core\Config\Entity\Query\Query::execute	0	0.0%	-2	-6.9%	0	0.0%	0	0.0%	0	0.0%
Guzzle\Http\Client::initSsl	0	0.0%	-1	-3.4%	2	11.1%	0	0.0%	0	0.0%
Drupal\Core\ParamConverter\EntityConverter::convert	0	0.0%	0	0.0%	1	5.6%	0	0.0%	0	0.0%
theme@1	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols	0	0.0%	0	0.0%	-1	-5.6%	0	0.0%	0	0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass	0	0.0%	0	0.0%	2	11.1%	0	0.0%	0	0.0%
theme@2	0	0.0%	0	0.0%	-1	-5.6%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::query	0	0.0%	0	0.0%	-3	-16.7%	0	0.0%	0	0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces	0	0.0%	0	0.0%	1	5.6%	24	12.0%	0	0.0%
drupal_settings_initialize	0	0.0%	0	0.0%	0	0.0%	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\ServerBag::getHeaders	0	0.0%	0	0.0%	3	16.7%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	0.0%	0	0.0%	-2	-11.1%	0	0.0%	0	0.0%
request_path	0	0.0%	0	0.0%	1	5.6%	0	0.0%	0	0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider	0	0.0%	0	0.0%	1	5.6%	8	4.0%	0	0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%