Diff Report
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd2109980d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #539fd0a78f1b7Run #539fd2109980dDiffDiff%
Number of Function Calls1,899 1,899 0 0.0%
Incl. Wall Time (microsec)1,523 1,517 -6 -0.4%
Incl. Wall Time (microsec) per call 1 1 -0 -0.4%
Excl. Wall Time (microsec)1,523 1,517 -6 -0.4%
Incl. CPU (microsecs)2,926 2,894 -32 -1.1%
Incl. CPU (microsecs) per call 2 2 -0 -1.1%
Excl. CPU (microsec)2,926 2,894 -32 -1.1%
Incl. MemUse (bytes)105,784 105,784 0 0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)105,784 105,784 0 0.0%
Incl. PeakMemUse (bytes)11,488 11,488 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 0 0.0%
Excl. PeakMemUse (bytes)11,488 11,488 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% -6 -0.1% -32 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -100.0% -32 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% 15 250.0% -7 -21.9% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 12 200.0% -26 -81.2% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -9 -150.0% 15 46.9% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% -9 -150.0% -16 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% -6 -100.0% 1 3.1% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% -6 -100.0% 21 65.6% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 4 66.7% -6 -18.8% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% -4 -66.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% -3 -50.0% 2 6.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 33.3% 1 3.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 2 33.3% 4 12.5% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% -2 -33.3% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% -1 -16.7% -1 -3.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -16.7% -12 -37.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -16.7% -2 -6.2% 0 N/A% 0 N/A%
Drupal\image\Entity\ImageStyle::getPathToken0 N/A% 1 16.7% -2 -6.2% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -1 -16.7% -5 -15.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 1 16.7% 0 0.0% 0 N/A% 0 N/A%
_theme@20 N/A% 0 0.0% -1 -3.1% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% -1 -3.1% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 1 3.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 2 6.2% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -3.1% 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%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% 1 3.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%