Diff Report
Run #530ed1c5bdc6a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ed20e39905: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #530ed1c5bdc6aRun #530ed20e39905DiffDiff%
Number of Function Calls1,172 1,172 0 0.0%
Incl. Wall Time (microsec)614 613 -1 -0.2%
Incl. Wall Time (microsec) per call 1 1 -0 -0.2%
Excl. Wall Time (microsec)614 613 -1 -0.2%
Incl. CPU (microsecs)1,516 1,498 -18 -1.2%
Incl. CPU (microsecs) per call 1 1 -0 -1.2%
Excl. CPU (microsec)1,516 1,498 -18 -1.2%
Incl. MemUse (bytes)66,400 66,400 0 0.0%
Incl. MemUse (bytes) per call 57 57 0 0.0%
Excl. MemUse (bytes)66,400 66,400 0 0.0%
Incl. PeakMemUse (bytes)11,440 11,440 0 0.0%
Incl. PeakMemUse (bytes) per call 10 10 0 0.0%
Excl. PeakMemUse (bytes)11,440 11,440 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 -0.2% -18 -2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -100.0% -18 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% -13 -1300.0% -17 -94.4% 0 N/A% 0 N/A%
_theme@20 N/A% 9 900.0% 1 5.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 3 300.0% -4 -22.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -2 -200.0% -6 -33.3% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% 1 100.0% 2 11.1% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 1 100.0% 5 27.8% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 5 27.8% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% 1 5.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -1 -5.6% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 1 5.6% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -6 -33.3% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% -2 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -1 -5.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 5.6% 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%
request_path0 N/A% 0 0.0% -1 -5.6% 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%