Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e3238612: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #53923d861ff11Run #53923e3238612DiffDiff%
Number of Function Calls734 734 0 0.0%
Incl. Wall Time (microsec)737 774 37 5.0%
Incl. Wall Time (microsec) per call 1 1 0 5.0%
Excl. Wall Time (microsec)737 774 37 5.0%
Incl. CPU (microsecs)1,261 1,374 113 9.0%
Incl. CPU (microsecs) per call 2 2 0 9.0%
Excl. CPU (microsec)1,261 1,374 113 9.0%
Incl. MemUse (bytes)33,092 33,092 0 0.0%
Incl. MemUse (bytes) per call 45 45 0 0.0%
Excl. MemUse (bytes)33,092 33,092 0 0.0%
Incl. PeakMemUse (bytes)10,820 10,820 0 0.0%
Incl. PeakMemUse (bytes) per call 15 15 0 0.0%
Excl. PeakMemUse (bytes)10,820 10,820 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% 37 7.9% 113 35.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function37 100.0% 113 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 17 45.9% 27 23.9% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 9 24.3% 21 18.6% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 9 24.3% 15 13.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 2 5.4% 8 7.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 1 0.9% 0 N/A% 0 N/A%
_theme@20 N/A% 0 0.0% 9 8.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_theme0 N/A% 0 0.0% 4 3.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::split0 N/A% 0 0.0% -6 -5.3% 0 N/A% 0 N/A%
_theme@30 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 0 0.0% 2 1.8% 0 N/A% 0 N/A%
twig_escape_filter0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%
Drupal\dblog\Logger\DbLog::log0 N/A% 0 0.0% 2 1.8% 0 N/A% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% -4 -3.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 4 3.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::attributes0 N/A% 0 0.0% 2 1.8% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 2.7% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -2 -1.8% 0 N/A% 0 N/A%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::getPort0 N/A% 0 0.0% -2 -1.8% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -3 -2.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 8 7.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 5 4.4% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 19 16.8% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 0 0.0% 3 2.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 2 1.8% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% -3 -2.7% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% 0 0.0% 1 0.9% 0 N/A% 0 N/A%