Diff Report
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d8088818a3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #560d7dac0c098Run #560d8088818a3DiffDiff%
Number of Function Calls1,477 1,478 1 0.1%
Incl. Wall Time (microsec)16 5 -11 -68.8%
Incl. Wall Time (microsec) per call 0 0 -0 -68.8%
Excl. Wall Time (microsec)16 5 -11 -68.8%
Incl. MemUse (bytes)86,568 86,584 16 0.0%
Incl. MemUse (bytes) per call 59 59 -0 -0.0%
Excl. MemUse (bytes)86,568 86,584 16 0.0%
Incl. PeakMemUse (bytes)5,808 5,784 -24 -0.4%
Incl. PeakMemUse (bytes) per call 4 4 -0 -0.5%
Excl. PeakMemUse (bytes)5,808 5,784 -24 -0.4%

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
substr1 100.0% -11 -0.1% 16 0.1% -24 -0.1%
Exclusive Metrics Diff for Current Function-11 -100.0% 16 100.0% -24 -100.0%
Parent functions
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% -9 -81.8% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% -4 -36.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 0.0% 2 18.2% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render@10 0.0% -1 -9.1% 0 0.0% 0 0.0%
Drupal\Core\Form\FormState::prepareCallback0 0.0% 1 9.1% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath1 100.0% 0 0.0% 32 200.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::render0 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\Component\Utility\UrlHelper::parse0 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%
Drupal\Core\EventSubscriber\ActiveLinkResponseFilter::setLinkActiveClass0 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\Cache\Context\CacheContextsManager::optimizeTokens0 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\UrlHelper::stripDangerousProtocols0 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 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% -56 -233.3%
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% -24 -150.0% 80 333.3%
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%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 0 0.0% 0 0.0% -48 -200.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 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\Cache\Context\CacheContextsManager::validateTokens0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 0 0.0% 8 50.0% 0 0.0%