Diff Report
Run #54df8d322535a: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54df9298c351d: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54df8d322535aRun #54df9298c351dDiffDiff%
Number of Function Calls2,565 2,571 6 0.2%
Incl. Wall Time (microsec)5 16 11 220.0%
Incl. Wall Time (microsec) per call 0 0 0 219.3%
Excl. Wall Time (microsec)5 16 11 220.0%
Incl. MemUse (bytes)159,520 159,928 408 0.3%
Incl. MemUse (bytes) per call 62 62 0 0.0%
Excl. MemUse (bytes)159,520 159,928 408 0.3%
Incl. PeakMemUse (bytes)11,264 11,520 256 2.3%
Incl. PeakMemUse (bytes) per call 4 4 0 2.0%
Excl. PeakMemUse (bytes)11,264 11,520 256 2.3%

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
substr6 100.0% 11 0.0% 408 1.9% 256 1.1%
Exclusive Metrics Diff for Current Function11 100.0% 408 100.0% 256 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 6 54.5% 80 19.6% 40 15.6%
Twig_Error::updateRepr0 0.0% 4 36.4% 0 0.0% 72 28.1%
Drupal\Core\Database\Connection::expandArguments0 0.0% 2 18.2% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% -1 -9.1% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -8 -2.0% 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%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 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% 152 59.4%
Symfony\Component\Routing\Route::sanitizeRequirement0 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\Theme\ThemeManager::theme@20 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% -8 -2.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 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%
Twig_Loader_Filesystem::parseName0 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\Utility\Crypt::randomBytes0 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\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath2 33.3% 0 0.0% 120 29.4% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 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%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% -8 -2.0% -8 -3.1%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 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%
Twig_Environment::getCacheFilename4 66.7% 0 0.0% 232 56.9% 0 0.0%