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

substrRun #530ed1c5bdc6aRun #530ed2569a2c7DiffDiff%
Number of Function Calls1,172 1,176 4 0.3%
Incl. Wall Time (microsec)614 587 -27 -4.4%
Incl. Wall Time (microsec) per call 1 0 -0 -4.7%
Excl. Wall Time (microsec)614 587 -27 -4.4%
Incl. CPU (microsecs)1,516 1,459 -57 -3.8%
Incl. CPU (microsecs) per call 1 1 -0 -4.1%
Excl. CPU (microsec)1,516 1,459 -57 -3.8%
Incl. MemUse (bytes)66,400 66,648 248 0.4%
Incl. MemUse (bytes) per call 57 57 0 0.0%
Excl. MemUse (bytes)66,400 66,648 248 0.4%
Incl. PeakMemUse (bytes)11,440 11,608 168 1.5%
Incl. PeakMemUse (bytes) per call 10 10 0 1.1%
Excl. PeakMemUse (bytes)11,440 11,608 168 1.5%

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
substr4 100.0% -27 -2.8% -57 -4.7% 248 0.6% 168 0.4%
Exclusive Metrics Diff for Current Function-27 -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::getCacheFilename4 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%