Diff Report
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffcbacf96d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #536ffbe232db1Run #536ffcbacf96dDiffDiff%
Number of Function Calls1,249 1,255 6 0.5%
Incl. Wall Time (microsec)912 878 -34 -3.7%
Incl. Wall Time (microsec) per call 1 1 -0 -4.2%
Excl. Wall Time (microsec)912 878 -34 -3.7%
Incl. CPU (microsecs)1,679 1,673 -6 -0.4%
Incl. CPU (microsecs) per call 1 1 -0 -0.8%
Excl. CPU (microsec)1,679 1,673 -6 -0.4%
Incl. MemUse (bytes)81,856 82,208 352 0.4%
Incl. MemUse (bytes) per call 66 66 -0 -0.1%
Excl. MemUse (bytes)81,856 82,208 352 0.4%
Incl. PeakMemUse (bytes)13,440 13,400 -40 -0.3%
Incl. PeakMemUse (bytes) per call 11 11 -0 -0.8%
Excl. PeakMemUse (bytes)13,440 13,400 -40 -0.3%

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
substr6 100.0% -34 -2.1% -6 -0.3% 352 1.0% -40 -0.1%
Exclusive Metrics Diff for Current Function-34 -100.0% -6 -100.0% 352 100.0% -40 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% -13 -38.2% -8 -133.3% 8 2.3% -40 -100.0%
_drupal_request_initialize0 0.0% -5 -14.7% -4 -66.7% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -4 -11.8% -2 -33.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -3 -8.8% -4 -66.7% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath2 33.3% -3 -8.8% 3 50.0% 120 34.1% 0 0.0%
_theme@20 0.0% 3 8.8% 1 16.7% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -3 -8.8% -11 -183.3% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% -2 -5.9% 7 116.7% -8 -2.3% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -5.9% -7 -116.7% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 2 5.9% 3 50.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% -1 -2.9% -2 -33.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% -1 -2.9% -4 -66.7% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% -1 -2.9% 1 16.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% -1 -2.9% 7 116.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::attributes0 0.0% 0 0.0% 3 50.0% 0 0.0% 0 0.0%
_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 66.7% 0 0.0% 6 100.0% 232 65.9% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%
_theme@30 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 2 33.3% 0 0.0% 0 0.0%
twig_escape_filter0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%