Diff Report
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #52e49b394aea8Run #52e49acfb0eb8DiffDiff%
Number of Function Calls153 149 -4 -2.6%
Incl. Wall Time (microsec)39 39 0 0.0%
Incl. Wall Time (microsec) per call 0 0 0 2.7%
Excl. Wall Time (microsec)39 39 0 0.0%
Incl. CPU (microsecs)193 196 3 1.6%
Incl. CPU (microsecs) per call 1 1 0 4.3%
Excl. CPU (microsec)193 196 3 1.6%
Incl. MemUse (bytes)19,832 19,600 -232 -1.2%
Incl. MemUse (bytes) per call 130 132 2 1.5%
Excl. MemUse (bytes)19,832 19,600 -232 -1.2%
Incl. PeakMemUse (bytes)8,688 8,688 0 0.0%
Incl. PeakMemUse (bytes) per call 57 58 2 2.7%
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
substr-4 -100.0% 0 0.0% 3 0.4% -232 -0.9% 0 0.0%
Exclusive Metrics Diff for Current Function0 N/A% 3 100.0% -232 -100.0% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -2 N/A% 3 100.0% 0 0.0% 0 N/A%
theme@20 0.0% 2 N/A% -2 -66.7% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 1 N/A% 2 66.7% 0 0.0% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% -1 N/A% 0 0.0% 0 0.0% 0 N/A%
theme0 0.0% -1 N/A% -2 -66.7% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 1 N/A% 11 366.7% 0 0.0% 0 N/A%
Drupal\Core\Database\Connection::query0 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 N/A%
theme@10 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% 0 N/A% -4 -133.3% -232 -100.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 N/A% -2 -66.7% 0 0.0% 0 N/A%
request_path0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 N/A% -3 -100.0% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 N/A%