Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf19d00e96: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #53ccf06f3ae60Run #53ccf19d00e96DiffDiff%
Number of Function Calls1,564 1,564 0 0.0%
Incl. Wall Time (microsec)25 27 2 8.0%
Incl. Wall Time (microsec) per call 0 0 0 8.0%
Excl. Wall Time (microsec)25 27 2 8.0%
Incl. CPU (microsecs)1,670 1,690 20 1.2%
Incl. CPU (microsecs) per call 1 1 0 1.2%
Excl. CPU (microsec)1,670 1,690 20 1.2%
Incl. MemUse (bytes)90,680 90,680 0 0.0%
Incl. MemUse (bytes) per call 58 58 0 0.0%
Excl. MemUse (bytes)90,680 90,680 0 0.0%
Incl. PeakMemUse (bytes)12,304 12,304 0 0.0%
Incl. PeakMemUse (bytes) per call 8 8 0 0.0%
Excl. PeakMemUse (bytes)12,304 12,304 0 0.0%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
substr0 N/A% 2 0.2% 20 1.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 100.0% 20 100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -2 -100.0% -12 -60.0% 0 N/A% 0 N/A%
_theme@10 N/A% 1 50.0% 3 15.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% 1 50.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 1 50.0% 22 110.0% 0 N/A% 0 N/A%
_theme@20 N/A% 1 50.0% -8 -40.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -11 -55.0% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -2 -10.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 0 0.0% 4 20.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% 23 115.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 2 10.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeCookieGlobals0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -3 -15.0% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 0 0.0% 3 15.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%