Diff Report
Run #52c96ba78d568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52c96ba78d568Run #52c96b69a1c07DiffDiff%
Number of Function Calls176 176 0 0.0%
Incl. Wall Time (microsec)11 10 -1 -9.1%
Incl. Wall Time (microsec) per call 0 0 -0 -9.1%
Excl. Wall Time (microsec)11 10 -1 -9.1%
Incl. CPU (microsecs)184 183 -1 -0.5%
Incl. CPU (microsecs) per call 1 1 -0 -0.5%
Excl. CPU (microsec)184 183 -1 -0.5%
Incl. MemUse (bytes)23,280 23,280 0 0.0%
Incl. MemUse (bytes) per call 132 132 0 0.0%
Excl. MemUse (bytes)23,280 23,280 0 0.0%
Incl. PeakMemUse (bytes)8,088 8,088 0 0.0%
Incl. PeakMemUse (bytes) per call 46 46 0 0.0%
Excl. PeakMemUse (bytes)8,088 8,088 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% -1 -1.4% -1 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -2 -200.0% -9 -900.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 1 100.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -100.0% 5 500.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% -1 -100.0% 1 100.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 1 100.0% -1 -100.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 100.0% -2 -200.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -4 -400.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 0 0.0% 1 100.0% 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%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% -4 -400.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 300.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 2 200.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 7 700.0% 0 N/A% 0 N/A%