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

substrRun #53ccf06f3ae60Run #53ccf1bb00d4bDiffDiff%
Number of Function Calls1,564 1,565 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)1,670 1,667 -3 -0.2%
Incl. CPU (microsecs) per call 1 1 -0 -0.2%
Excl. CPU (microsec)1,670 1,667 -3 -0.2%
Incl. MemUse (bytes)90,680 92,000 1,320 1.5%
Incl. MemUse (bytes) per call 58 59 1 1.4%
Excl. MemUse (bytes)90,680 92,000 1,320 1.5%
Incl. PeakMemUse (bytes)12,304 11,832 -472 -3.8%
Incl. PeakMemUse (bytes) per call 8 8 -0 -3.9%
Excl. PeakMemUse (bytes)12,304 11,832 -472 -3.8%

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
substr1 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@150 5000.0% -4 N/A% 24 800.0% 2,000 151.5% -592 -125.4%
_theme51 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%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 N/A% 15 500.0% 1,200 90.9% 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%
_theme@2-100 -10000.0% 0 N/A% -102 -3400.0% -3,600 -272.7% 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\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%