Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #52e49acfb0eb8Run #52e49b28a90e1DiffDiff%
Number of Function Calls149 149 0 0.0%
Incl. Wall Time (microsec)39 36 -3 -7.7%
Incl. Wall Time (microsec) per call 0 0 -0 -7.7%
Excl. Wall Time (microsec)39 36 -3 -7.7%
Incl. CPU (microsecs)196 187 -9 -4.6%
Incl. CPU (microsecs) per call 1 1 -0 -4.6%
Excl. CPU (microsec)196 187 -9 -4.6%
Incl. MemUse (bytes)19,600 19,600 0 0.0%
Incl. MemUse (bytes) per call 132 132 0 0.0%
Excl. MemUse (bytes)19,600 19,600 0 0.0%
Incl. PeakMemUse (bytes)8,688 8,688 0 0.0%
Incl. PeakMemUse (bytes) per call 58 58 0 0.0%
Excl. PeakMemUse (bytes)8,688 8,688 0 0.0%

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


Function NameCalls DiffCalls
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
substr0 N/A% -3 -1.0% -9 -2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -2 -66.7% 1 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -33.3% -3 -33.3% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -33.3% -1 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 33.3% 2 22.2% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -7 -77.8% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%