Diff Report
Run #54f283c5bb5f3: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f28ca8966ab: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54f283c5bb5f3Run #54f28ca8966abDiffDiff%
Number of Function Calls1,120 1,120 0 0.0%
Incl. Wall Time (microsec)2,750 2,758 8 0.3%
Incl. Wall Time (microsec) per call 2 2 0 0.3%
Excl. Wall Time (microsec)403 408 5 1.2%
Incl. MemUse (bytes)90,200 90,240 40 0.0%
Incl. MemUse (bytes) per call 81 81 0 0.0%
Excl. MemUse (bytes)73,144 73,184 40 0.1%
Incl. PeakMemUse (bytes)88,912 89,072 160 0.2%
Incl. PeakMemUse (bytes) per call 79 80 0 0.2%
Excl. PeakMemUse (bytes)24,640 24,784 144 0.6%

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% 8 0.2% 40 0.0% 160 0.1%
Exclusive Metrics Diff for Current Function5 62.5% 40 100.0% 144 90.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 6 75.0% 0 0.0% 88 55.0%
Twig_Environment::getCacheFilename0 N/A% -5 -62.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 3 37.5% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 2 25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -12.5% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% -1 -12.5% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 N/A% 1 12.5% 0 0.0% 0 0.0%
Twig_Error::updateRepr0 N/A% 1 12.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -12.5% 0 0.0% 0 0.0%
devel_silent0 N/A% 1 12.5% 0 0.0% 16 10.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 12.5% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 1 12.5% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme@20 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 16 40.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 0 0.0% 56 35.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 N/A% 0 0.0% 24 60.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 0 0.0% 0 0.0%
Child function
Drupal\Core\Url::__toString0 N/A% 3 37.5% 0 0.0% 16 10.0%