Diff Report
Run #54f29a0893b1f: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f29a910bf1c: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54f29a0893b1fRun #54f29a910bf1cDiffDiff%
Number of Function Calls1,241 1,241 0 0.0%
Incl. Wall Time (microsec)1,433 1,435 2 0.1%
Incl. Wall Time (microsec) per call 1 1 0 0.1%
Excl. Wall Time (microsec)13 14 1 7.7%
Incl. MemUse (bytes)97,800 97,800 0 0.0%
Incl. MemUse (bytes) per call 79 79 0 0.0%
Excl. MemUse (bytes)80,744 80,744 0 0.0%
Incl. PeakMemUse (bytes)89,072 89,072 0 0.0%
Incl. PeakMemUse (bytes) per call 72 72 0 0.0%
Excl. PeakMemUse (bytes)24,864 24,864 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% 2 0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 50.0% 0 N/A% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename0 N/A% -1 -50.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 1 50.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 50.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 1 50.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 0 N/A% 0 N/A%
Twig_Error::updateRepr0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::parse0 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\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Theme\ThemeManager::theme@20 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\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::expandArguments0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 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%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Route::sanitizeRequirement0 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%
Drupal\Core\Routing\RouteMatch::getParameterNames0 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Url::__toString0 N/A% 1 50.0% 0 N/A% 0 N/A%