Diff Report
Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #556d13edd0b22Run #556d0efcc18beDiffDiff%
Number of Function Calls2,229 2,229 0 0.0%
Incl. Wall Time (microsec)104 138 34 32.7%
Incl. Wall Time (microsec) per call 0 0 0 32.7%
Excl. Wall Time (microsec)104 138 34 32.7%
Incl. MemUse (bytes)119,024 119,024 0 0.0%
Incl. MemUse (bytes) per call 53 53 0 0.0%
Excl. MemUse (bytes)119,024 119,024 0 0.0%
Incl. PeakMemUse (bytes)12,456 12,456 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 0 0.0%
Excl. PeakMemUse (bytes)12,456 12,456 0 0.0%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
substr0 N/A% 34 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function34 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -18 -52.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::expandArguments0 N/A% 16 47.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\CacheContextsManager::optimizeTokens0 N/A% 15 44.1% -24 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 10 29.4% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 5 14.7% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -4 -11.8% 16 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 3 8.8% 0 N/A% 0 N/A%
Drupal\image\Entity\ImageStyle::getPathToken0 N/A% 2 5.9% 0 N/A% 0 N/A%
Drupal\Core\Theme\ThemeManager::theme@20 N/A% 2 5.9% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 2 5.9% 0 N/A% 0 N/A%
Twig_Error::updateRepr0 N/A% -1 -2.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\CacheContextsManager::validateTokens0 N/A% 1 2.9% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% -1 -2.9% 0 N/A% 0 N/A%
Symfony\Component\Routing\Route::sanitizeRequirement0 N/A% 1 2.9% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% 1 2.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::__construct0 N/A% 0 0.0% 0 N/A% 0 N/A%
Twig_Loader_Filesystem::parseName0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\EventSubscriber\ActiveLinkResponseFilter::setLinkActiveClass0 N/A% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Theme\ThemeManager::theme0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::parse0 N/A% 0 0.0% 8 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 N/A% 0 0.0% 0 N/A% 0 N/A%