Diff Report
Run #54f29b385ace9: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f29a0893b1f: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54f29b385ace9Run #54f29a0893b1fDiffDiff%
Number of Function Calls1,247 1,241 -6 -0.5%
Incl. Wall Time (microsec)1,436 1,433 -3 -0.2%
Incl. Wall Time (microsec) per call 1 1 0 0.3%
Excl. Wall Time (microsec)14 13 -1 -7.1%
Incl. MemUse (bytes)98,144 97,800 -344 -0.4%
Incl. MemUse (bytes) per call 79 79 0 0.1%
Excl. MemUse (bytes)81,088 80,744 -344 -0.4%
Incl. PeakMemUse (bytes)89,784 89,072 -712 -0.8%
Incl. PeakMemUse (bytes) per call 72 72 -0 -0.3%
Excl. PeakMemUse (bytes)25,576 24,864 -712 -2.8%

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-6 -100.0% -3 -0.0% -344 -0.3% -712 -0.7%
Exclusive Metrics Diff for Current Function-1 -33.3% -344 -100.0% -712 -100.0%
Parent functions
devel_silent0 0.0% -2 -66.7% 0 0.0% 0 0.0%
Twig_Error::updateRepr0 0.0% -2 -66.7% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -66.7% 1 33.3% -232 -67.4% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 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% -704 -98.9%
Drupal\Component\Uuid\Php::generate0 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\Component\Utility\UrlHelper::parse0 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\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme@20 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\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% -8 -2.3% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 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\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath-2 -33.3% 0 0.0% -120 -34.9% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 0.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 0 0.0% 16 4.7% -8 -1.1%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 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%
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 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%
Child function
Drupal\Core\Url::__toString0 N/A% -2 -66.7% 0 0.0% 0 0.0%