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

substrRun #55f250cd3eb64Run #55f2501d384a2DiffDiff%
Number of Function Calls1,834 1,832 -2 -0.1%
Incl. Wall Time (microsec)20 12 -8 -40.0%
Incl. Wall Time (microsec) per call 0 0 -0 -39.9%
Excl. Wall Time (microsec)20 12 -8 -40.0%
Incl. MemUse (bytes)103,192 103,048 -144 -0.1%
Incl. MemUse (bytes) per call 56 56 -0 -0.0%
Excl. MemUse (bytes)103,192 103,048 -144 -0.1%
Incl. PeakMemUse (bytes)13,472 13,400 -72 -0.5%
Incl. PeakMemUse (bytes) per call 7 7 -0 -0.4%
Excl. PeakMemUse (bytes)13,472 13,400 -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
substr-2 -100.0% -8 -0.0% -144 -0.6% -72 -0.3%
Exclusive Metrics Diff for Current Function-8 -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::getContainingDirectoryFullPath-1 -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::getCacheFilename-1 -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%