Diff Report
Run #5659177493c27: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659123816918: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #5659177493c27Run #5659123816918DiffDiff%
Number of Function Calls1,424 1,424 0 0.0%
Incl. Wall Time (microsec)28 20 -8 -28.6%
Incl. Wall Time (microsec) per call 0 0 -0 -28.6%
Excl. Wall Time (microsec)28 20 -8 -28.6%
Incl. MemUse (bytes)78,784 78,792 8 0.0%
Incl. MemUse (bytes) per call 55 55 0 0.0%
Excl. MemUse (bytes)78,784 78,792 8 0.0%
Incl. PeakMemUse (bytes)7,672 7,616 -56 -0.7%
Incl. PeakMemUse (bytes) per call 5 5 -0 -0.7%
Excl. PeakMemUse (bytes)7,672 7,616 -56 -0.7%

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% -8 -0.1% 8 0.0% -56 -0.3%
Exclusive Metrics Diff for Current Function-8 -100.0% 8 100.0% -56 -100.0%
Parent functions
Drupal\Core\Database\Connection::expandArguments0 N/A% -5 -62.5% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 N/A% -1 -12.5% 0 0.0% 0 0.0%
_drupal_log_error0 N/A% -1 -12.5% 8 100.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -1 -12.5% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 1 12.5% 0 0.0% 0 0.0%
Drupal\Component\DependencyInjection\PhpArrayContainer::resolveServicesAndParameters0 N/A% -1 -12.5% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::normalizeCid0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render@30 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\Context\CacheContextsManager::optimizeTokens0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 N/A% 0 0.0% 48 600.0% 0 0.0%
Twig_Loader_Filesystem::parseName0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpKernel\Profiler\Profiler::collect0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\webprofiler\DataCollector\TimeDataCollector::convertToBytes0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\EventSubscriber\ActiveLinkResponseFilter::setLinkActiveClass0 N/A% 0 0.0% -8 -100.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 N/A% 0 0.0% -16 -200.0% 0 0.0%
Drupal\Component\Utility\Xss::attributes0 N/A% 0 0.0% -24 -300.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 N/A% 0 0.0% -8 -100.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\Context\CacheContextsManager::validateTokens0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 0 0.0% -56 -100.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 0.0%
workflow_devel_form_alter0 N/A% 0 0.0% 0 0.0% 0 0.0%
hook_form_alter0 N/A% 0 0.0% 8 100.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render@10 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Form\FormState::prepareCallback0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\DependencyInjection\PhpArrayContainer::resolveServicesAndParameters@10 N/A% 0 0.0% 0 0.0% 0 0.0%