Diff Report
Run #52d4b5e5ddba1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52d4b5e5ddba1Run #52d4b590e6e18DiffDiff%
Number of Function Calls1,161 1,161 0 0.0%
Incl. Wall Time (microsec)18 14 -4 -22.2%
Incl. Wall Time (microsec) per call 0 0 -0 -22.2%
Excl. Wall Time (microsec)18 14 -4 -22.2%
Incl. CPU (microsecs)1,166 1,175 9 0.8%
Incl. CPU (microsecs) per call 1 1 0 0.8%
Excl. CPU (microsec)1,166 1,175 9 0.8%
Incl. MemUse (bytes)65,448 65,448 0 0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)65,448 65,448 0 0.0%
Incl. PeakMemUse (bytes)15,952 15,952 0 0.0%
Incl. PeakMemUse (bytes) per call 14 14 0 0.0%
Excl. PeakMemUse (bytes)15,952 15,952 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% -4 -1.4% 9 2.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -100.0% 9 100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% -9 -225.0% 5 55.6% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 5 125.0% 7 77.8% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -25.0% 2 22.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 25.0% -3 -33.3% 0 N/A% 0 N/A%
theme@10 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% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 2 22.2% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -2 -22.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::mapFromStorageRecords0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 6 66.7% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 2 22.2% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -6 -66.7% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% -3 -33.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% -4 -44.4% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 5 55.6% 0 N/A% 0 N/A%