Diff Report
Run #530ed2569a2c7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ed1c5bdc6a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #530ed2569a2c7Run #530ed1c5bdc6aDiffDiff%
Number of Function Calls1,176 1,172 -4 -0.3%
Incl. Wall Time (microsec)587 614 27 4.6%
Incl. Wall Time (microsec) per call 0 1 0 5.0%
Excl. Wall Time (microsec)587 614 27 4.6%
Incl. CPU (microsecs)1,459 1,516 57 3.9%
Incl. CPU (microsecs) per call 1 1 0 4.3%
Excl. CPU (microsec)1,459 1,516 57 3.9%
Incl. MemUse (bytes)66,648 66,400 -248 -0.4%
Incl. MemUse (bytes) per call 57 57 -0 -0.0%
Excl. MemUse (bytes)66,648 66,400 -248 -0.4%
Incl. PeakMemUse (bytes)11,608 11,440 -168 -1.4%
Incl. PeakMemUse (bytes) per call 10 10 -0 -1.1%
Excl. PeakMemUse (bytes)11,608 11,440 -168 -1.4%

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% 27 2.8% 57 4.7% -248 -0.6% -168 -0.4%
Exclusive Metrics Diff for Current Function27 100.0% 57 100.0% -248 -100.0% -168 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% 26 96.3% 58 101.8% -32 -12.9% -168 -100.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -3 -11.1% 3 5.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 2 7.4% 6 10.5% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 2 7.4% -2 -3.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -2 -7.4% -4 -7.0% -232 -93.5% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 1 3.7% -3 -5.3% 0 0.0% 0 0.0%
_theme@20 0.0% 1 3.7% 1 1.8% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% -2 -3.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 4 7.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 16 6.5% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -3 -5.3% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 1.8% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 1 1.8% 0 0.0% 0 0.0%