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

substrRun #54df9298c351dRun #54df8d322535aDiffDiff%
Number of Function Calls2,571 2,565 -6 -0.2%
Incl. Wall Time (microsec)16 5 -11 -68.8%
Incl. Wall Time (microsec) per call 0 0 -0 -68.7%
Excl. Wall Time (microsec)16 5 -11 -68.8%
Incl. MemUse (bytes)159,928 159,520 -408 -0.3%
Incl. MemUse (bytes) per call 62 62 -0 -0.0%
Excl. MemUse (bytes)159,928 159,520 -408 -0.3%
Incl. PeakMemUse (bytes)11,520 11,264 -256 -2.2%
Incl. PeakMemUse (bytes) per call 4 4 -0 -2.0%
Excl. PeakMemUse (bytes)11,520 11,264 -256 -2.2%

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
substr-6 -100.0% -11 -0.0% -408 -1.9% -256 -1.1%
Exclusive Metrics Diff for Current Function-11 -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::getContainingDirectoryFullPath-2 -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::getCacheFilename-4 -66.7% 0 0.0% -232 -56.9% 0 0.0%