Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls344 344 0 0.0%
Incl. Wall Time (microsec)356 359 3 0.8%
Incl. Wall Time (microsec) per call 1 1 0 0.8%
Excl. Wall Time (microsec)356 359 3 0.8%
Incl. CPU (microsecs)667 717 50 7.5%
Incl. CPU (microsecs) per call 2 2 0 7.5%
Excl. CPU (microsec)667 717 50 7.5%
Incl. MemUse (bytes)20,500 20,500 0 0.0%
Incl. MemUse (bytes) per call 60 60 0 0.0%
Excl. MemUse (bytes)20,500 20,500 0 0.0%
Incl. PeakMemUse (bytes)9,004 9,004 0 0.0%
Incl. PeakMemUse (bytes) per call 26 26 0 0.0%
Excl. PeakMemUse (bytes)9,004 9,004 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% 3 0.2% 50 8.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 100.0% 50 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 38 76.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% -4 -133.3% -6 -12.0% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% -4 -8.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -33.3% 4 8.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 3 6.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 1 33.3% 3 6.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::getPort0 N/A% 0 0.0% 3 6.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::mapFromStorageRecords0 N/A% 0 0.0% -2 -4.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -1 -33.3% 2 4.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 66.7% 2 4.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 2 4.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 2 4.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 2 4.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 2 66.7% -1 -2.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
_theme@20 N/A% 0 0.0% -1 -2.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 1 33.3% 1 2.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -1 -2.0% 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%
_drupal_request_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 4 133.3% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% -1 -33.3% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%