Diff Report
Run #536ffc2aeacea: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #536ffc2aeaceaRun #536ffbe232db1DiffDiff%
Number of Function Calls1,249 1,249 0 0.0%
Incl. Wall Time (microsec)904 912 8 0.9%
Incl. Wall Time (microsec) per call 1 1 0 0.9%
Excl. Wall Time (microsec)904 912 8 0.9%
Incl. CPU (microsecs)1,713 1,679 -34 -2.0%
Incl. CPU (microsecs) per call 1 1 -0 -2.0%
Excl. CPU (microsec)1,713 1,679 -34 -2.0%
Incl. MemUse (bytes)81,856 81,856 0 0.0%
Incl. MemUse (bytes) per call 66 66 0 0.0%
Excl. MemUse (bytes)81,856 81,856 0 0.0%
Incl. PeakMemUse (bytes)13,440 13,440 0 0.0%
Incl. PeakMemUse (bytes) per call 11 11 0 0.0%
Excl. PeakMemUse (bytes)13,440 13,440 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% 8 0.3% -34 -1.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function8 100.0% -34 -100.0% 0 N/A% 0 N/A%
Parent functions
_drupal_request_initialize0 N/A% 5 62.5% 2 5.9% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -5 -62.5% 4 11.8% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 5 62.5% 1 2.9% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 3 37.5% -11 -32.4% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% -2 -25.0% -9 -26.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 25.0% 0 0.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 2 25.0% -2 -5.9% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% -1 -12.5% -8 -23.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::attributes0 N/A% -1 -12.5% -2 -5.9% 0 N/A% 0 N/A%
_theme@10 N/A% -1 -12.5% -1 -2.9% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 1 12.5% 6 17.6% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 1 12.5% 1 2.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -12.5% -4 -11.8% 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%
Drupal\Component\Utility\Xss::split0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% -5 -14.7% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
_theme0 N/A% 0 0.0% 1 2.9% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
twig_escape_filter0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_theme@30 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%
_theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -1 -2.9% 0 N/A% 0 N/A%