Diff Report
Run #54f295e72ec52: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f29712d4f96: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54f295e72ec52Run #54f29712d4f96DiffDiff%
Number of Function Calls1,241 1,247 6 0.5%
Incl. Wall Time (microsec)1,438 1,452 14 1.0%
Incl. Wall Time (microsec) per call 1 1 0 0.5%
Excl. Wall Time (microsec)14 23 9 64.3%
Incl. MemUse (bytes)97,800 98,136 336 0.3%
Incl. MemUse (bytes) per call 79 79 -0 -0.1%
Excl. MemUse (bytes)80,744 81,080 336 0.4%
Incl. PeakMemUse (bytes)89,072 89,872 800 0.9%
Incl. PeakMemUse (bytes) per call 72 72 0 0.4%
Excl. PeakMemUse (bytes)24,864 25,664 800 3.2%

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% 14 0.0% 336 0.6% 800 1.4%
Exclusive Metrics Diff for Current Function9 64.3% 336 100.0% 800 100.0%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 11 78.6% 0 0.0% 0 0.0%
devel_silent0 0.0% 4 28.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 0.0% -2 -14.3% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 1 7.1% -24 -7.1% 96 12.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 704 88.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Error::updateRepr0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% 8 2.4% 0 0.0%
Twig_Environment::getCacheFilename4 66.7% 0 0.0% 232 69.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 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\Uuid\Php::generate0 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%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 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%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 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::getContainingDirectoryFullPath2 33.3% 0 0.0% 120 35.7% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 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\HttpFoundation\AcceptHeaderItem::fromString0 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%
Symfony\Component\Routing\Route::sanitizeRequirement0 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%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Drupal\Core\Url::__toString0 N/A% 5 35.7% 0 0.0% 0 0.0%