Diff Report
Run #55f2501d384a2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f250cd3eb64: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #55f2501d384a2Run #55f250cd3eb64DiffDiff%
Number of Function Calls1,832 1,834 2 0.1%
Incl. Wall Time (microsec)12 20 8 66.7%
Incl. Wall Time (microsec) per call 0 0 0 66.5%
Excl. Wall Time (microsec)12 20 8 66.7%
Incl. MemUse (bytes)103,048 103,192 144 0.1%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)103,048 103,192 144 0.1%
Incl. PeakMemUse (bytes)13,400 13,472 72 0.5%
Incl. PeakMemUse (bytes) per call 7 7 0 0.4%
Excl. PeakMemUse (bytes)13,400 13,472 72 0.5%

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
substr2 100.0% 8 0.0% 144 0.6% 72 0.3%
Exclusive Metrics Diff for Current Function8 100.0% 144 100.0% 72 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 12 150.0% 0 0.0% 40 55.6%
Drupal\Core\Database\Connection::expandArguments0 0.0% -6 -75.0% 0 0.0% 32 44.4%
Drupal\Core\Cache\Context\CacheContextsManager::optimizeTokens0 0.0% 2 25.0% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath1 50.0% 1 12.5% 32 22.2% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% -1 -12.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::getCacheFilename1 50.0% 0 0.0% 88 61.1% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render@10 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\EventSubscriber\ActiveLinkResponseFilter::setLinkActiveClass0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::attributes0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Loader_Filesystem::parseName0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render@30 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Error::updateRepr0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\DependencyInjection\PhpArrayContainer::resolveServicesAndParameters@10 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\DependencyInjection\PhpArrayContainer::resolveServicesAndParameters0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\Context\CacheContextsManager::validateTokens0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% 24 16.7% 0 0.0%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0%