Diff Report
Run #52f5c11235c73: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52f5c11235c73Run #52f5c0b2e882aDiffDiff%
Number of Function Calls146 142 -4 -2.7%
Incl. Wall Time (microsec)16 18 2 12.5%
Incl. Wall Time (microsec) per call 0 0 0 15.7%
Excl. Wall Time (microsec)16 18 2 12.5%
Incl. CPU (microsecs)164 159 -5 -3.0%
Incl. CPU (microsecs) per call 1 1 -0 -0.3%
Excl. CPU (microsec)164 159 -5 -3.0%
Incl. MemUse (bytes)19,992 19,760 -232 -1.2%
Incl. MemUse (bytes) per call 137 139 2 1.6%
Excl. MemUse (bytes)19,992 19,760 -232 -1.2%
Incl. PeakMemUse (bytes)6,032 6,032 0 0.0%
Incl. PeakMemUse (bytes) per call 41 42 1 2.8%
Excl. PeakMemUse (bytes)6,032 6,032 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% 2 0.5% -5 -2.1% -232 -0.5% 0 0.0%
Exclusive Metrics Diff for Current Function2 100.0% -5 -100.0% -232 -100.0% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -2 -100.0% 1 20.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% 2 100.0% -12 -240.0% -232 -100.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -50.0% -2 -40.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 1 50.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 1 50.0% -1 -20.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 1 50.0% -2 -40.0% 0 0.0% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 3 60.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Xss::split0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 6 120.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%