Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a03772cdd55: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52a03729e7d1aRun #52a03772cdd55DiffDiff%
Number of Function Calls1,373 1,373 0 0.0%
Incl. Wall Time (microsec)610 660 50 8.2%
Incl. Wall Time (microsec) per call 0 0 0 8.2%
Excl. Wall Time (microsec)610 660 50 8.2%
Incl. CPU (microsecs)1,724 1,786 62 3.6%
Incl. CPU (microsecs) per call 1 1 0 3.6%
Excl. CPU (microsec)1,724 1,786 62 3.6%
Incl. MemUse (bytes)123,704 123,704 0 0.0%
Incl. MemUse (bytes) per call 90 90 0 0.0%
Excl. MemUse (bytes)123,704 123,704 0 0.0%
Incl. PeakMemUse (bytes)40,160 40,160 0 0.0%
Incl. PeakMemUse (bytes) per call 29 29 0 0.0%
Excl. PeakMemUse (bytes)40,160 40,160 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% 50 1.3% 62 1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function50 100.0% 62 100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::set0 N/A% 20 40.0% 20 32.3% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 18 36.0% 30 48.4% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 6 12.0% 7 11.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 3 6.0% -1 -1.6% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 1 2.0% 3 4.8% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% -1 -2.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 1 2.0% -9 -14.5% 0 N/A% 0 N/A%
theme@40 N/A% 1 2.0% 1 1.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% -1 -2.0% -1 -1.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 2.0% 6 9.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 2.0% 2 3.2% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% -1 -2.0% -1 -1.6% 0 N/A% 0 N/A%
request_path0 N/A% 1 2.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 3.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 2 3.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::mapFromStorageRecords0 N/A% 0 0.0% 2 3.2% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 1 1.6% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 4 6.5% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -2 -3.2% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 1.6% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -5 -8.1% 0 N/A% 0 N/A%