Diff Report
Run #5589b6f75b296: XHProf Run (Namespace=drupal-perf-stefanr)
vs.
Run #5589b704ad974: XHProf Run (Namespace=drupal-perf-stefanr)
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Regression/Improvement summary for substr

substrRun #5589b6f75b296Run #5589b704ad974DiffDiff%
Number of Function Calls112,900 112,900 0 0.0%
Incl. Wall Time (microsec)25,545 22,640 -2,905 -11.4%
Incl. Wall Time (microsec) per call 0 0 -0 -11.4%
Excl. Wall Time (microsec)25,545 22,640 -2,905 -11.4%
Incl. MemUse (bytes)7,094,400 7,097,600 3,200 0.0%
Incl. MemUse (bytes) per call 63 63 0 0.0%
Excl. MemUse (bytes)7,094,400 7,097,600 3,200 0.0%
Incl. PeakMemUse (bytes)1,032,800 990,400 -42,400 -4.1%
Incl. PeakMemUse (bytes) per call 9 9 -0 -4.1%
Excl. PeakMemUse (bytes)1,032,800 990,400 -42,400 -4.1%

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% -2,905 -0.1% 3,200 0.1% -42,400 -0.7%
Exclusive Metrics Diff for Current Function-2,905 -100.0% 3,200 100.0% -42,400 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -2,167 -74.6% 3,200 100.0% 6,400 15.1%
Drupal\Core\Database\Connection::expandArguments0 N/A% -626 -21.5% 0 0.0% -6,400 -15.1%
Twig_Error::updateRepr0 N/A% 421 14.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 N/A% -187 -6.4% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% -156 -5.4% 0 0.0% -13,600 -32.1%
Drupal\Core\Cache\Context\CacheContextsManager::optimizeTokens0 N/A% -141 -4.9% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 138 4.8% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% -113 -3.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -26 -0.9% 0 0.0% -28,800 -67.9%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% -23 -0.8% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme@20 N/A% -22 -0.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 15 0.5% 0 0.0% 0 0.0%
Twig_Loader_Filesystem::parseName0 N/A% -13 -0.4% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -11 -0.4% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 N/A% 11 0.4% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 N/A% 6 0.2% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme0 N/A% -5 -0.2% 0 0.0% 0 0.0%
Drupal\Core\Cache\Context\CacheContextsManager::validateTokens0 N/A% -4 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% -1 -0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 N/A% 0 0.0% 0 0.0% 0 0.0%