Diff Report
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #53ccf1bb00d4bRun #53ccf06f3ae60DiffDiff%
Number of Function Calls1,565 1,564 -1 -0.1%
Incl. Wall Time (microsec)25 25 0 0.0%
Incl. Wall Time (microsec) per call 0 0 0 0.1%
Excl. Wall Time (microsec)25 25 0 0.0%
Incl. CPU (microsecs)1,667 1,670 3 0.2%
Incl. CPU (microsecs) per call 1 1 0 0.2%
Excl. CPU (microsec)1,667 1,670 3 0.2%
Incl. MemUse (bytes)92,000 90,680 -1,320 -1.4%
Incl. MemUse (bytes) per call 59 58 -1 -1.4%
Excl. MemUse (bytes)92,000 90,680 -1,320 -1.4%
Incl. PeakMemUse (bytes)11,832 12,304 472 4.0%
Incl. PeakMemUse (bytes) per call 8 8 0 4.1%
Excl. PeakMemUse (bytes)11,832 12,304 472 4.0%

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
substr-1 -100.0% 0 0.0% 3 0.2% -1,320 -20.6% 472 4.4%
Exclusive Metrics Diff for Current Function0 N/A% 3 100.0% -1,320 -100.0% 472 100.0%
Parent functions
_theme@1-50 -5000.0% 4 N/A% -24 -800.0% -2,000 -151.5% 592 125.4%
_theme-51 -5100.0% -2 N/A% -58 -1933.3% -1,632 -123.6% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -2 N/A% -6 -200.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% -1 N/A% 20 666.7% -80 -6.1% -80 -16.9%
Twig_Environment::getCacheFilename0 0.0% 1 N/A% 4 133.3% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 N/A% -22 -733.3% 0 0.0% 0 0.0%
_theme@2100 10000.0% 0 N/A% 102 3400.0% 3,600 272.7% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 N/A% -15 -500.0% -1,200 -90.9% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 N/A% 3 100.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeCookieGlobals0 0.0% 0 N/A% 1 33.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 N/A% 2 66.7% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 0.0% 0 N/A% -2 -66.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 N/A% -3 -100.0% -8 -0.6% -40 -8.5%
request_path0 0.0% 0 N/A% 2 66.7% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% 0 N/A% -2 -66.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 N/A% -1 -33.3% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% 0 N/A% 2 66.7% 0 0.0% 0 0.0%