Diff Report
Run #52a037bb4f6e8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52a037bb4f6e8Run #52a03729e7d1aDiffDiff%
Number of Function Calls1,377 1,373 -4 -0.3%
Incl. Wall Time (microsec)631 610 -21 -3.3%
Incl. Wall Time (microsec) per call 0 0 -0 -3.0%
Excl. Wall Time (microsec)631 610 -21 -3.3%
Incl. CPU (microsecs)1,723 1,724 1 0.1%
Incl. CPU (microsecs) per call 1 1 0 0.3%
Excl. CPU (microsec)1,723 1,724 1 0.1%
Incl. MemUse (bytes)123,848 123,704 -144 -0.1%
Incl. MemUse (bytes) per call 90 90 0 0.2%
Excl. MemUse (bytes)123,848 123,704 -144 -0.1%
Incl. PeakMemUse (bytes)40,104 40,160 56 0.1%
Incl. PeakMemUse (bytes) per call 29 29 0 0.4%
Excl. PeakMemUse (bytes)40,104 40,160 56 0.1%

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% -21 -2.5% 1 0.1% -144 -0.2% 56 0.1%
Exclusive Metrics Diff for Current Function-21 -100.0% 1 100.0% -144 -100.0% 56 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% -7 -33.3% 24 2400.0% 0 0.0% 56 100.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -5 -23.8% -8 -800.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -4 -19.0% -1 -100.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -3 -14.3% -12 -1200.0% -168 -116.7% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -2 -9.5% 3 300.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 1 4.8% 3 300.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::mapFromStorageRecords0 0.0% 1 4.8% -1 -100.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -1 -4.8% -1 -100.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -4.8% -3 -300.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 1 4.8% 1 100.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% -1 -4.8% -1 -100.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -4 -400.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% 4 400.0% 24 16.7% 0 0.0%
theme@40 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% -2 -200.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 3 300.0% 0 0.0% 0 0.0%