Diff Report
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e33e8d847: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #5394e21e9bd45Run #5394e33e8d847DiffDiff%
Number of Function Calls1,807 1,807 0 0.0%
Incl. Wall Time (microsec)1,087 1,125 38 3.5%
Incl. Wall Time (microsec) per call 1 1 0 3.5%
Excl. Wall Time (microsec)1,087 1,125 38 3.5%
Incl. CPU (microsecs)2,423 2,472 49 2.0%
Incl. CPU (microsecs) per call 1 1 0 2.0%
Excl. CPU (microsec)2,423 2,472 49 2.0%
Incl. MemUse (bytes)99,336 99,352 16 0.0%
Incl. MemUse (bytes) per call 55 55 0 0.0%
Excl. MemUse (bytes)99,336 99,352 16 0.0%
Incl. PeakMemUse (bytes)10,840 11,232 392 3.6%
Incl. PeakMemUse (bytes) per call 6 6 0 3.6%
Excl. PeakMemUse (bytes)10,840 11,232 392 3.6%

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% 38 8.8% 49 5.4% 16 6.1% 392 41.5%
Exclusive Metrics Diff for Current Function38 100.0% 49 100.0% 16 100.0% 392 100.0%
Parent functions
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 20 52.6% 54 110.2% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 17 44.7% 12 24.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% -13 -34.2% -3 -6.1% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 8 21.1% 4 8.2% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% 5 13.2% 4 8.2% 8 50.0% 48 12.2%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -5 -13.2% -1 -2.0% 0 0.0% 0 0.0%
_theme@10 N/A% 4 10.5% -2 -4.1% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% -4 -10.5% -7 -14.3% 0 0.0% 0 0.0%
file_uri_scheme0 N/A% 4 10.5% 2 4.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 4 10.5% 7 14.3% 0 0.0% 0 0.0%
_theme@20 N/A% -3 -7.9% -2 -4.1% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 3 7.9% -3 -6.1% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% -1 -2.6% 1 2.0% 0 0.0% 336 85.7%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -2.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 1 2.6% -8 -16.3% 0 0.0% 0 0.0%
_drupal_request_initialize0 N/A% -1 -2.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% 2 4.1% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% -1 -2.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -1 -2.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -1 -2.0% 8 50.0% 8 2.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -2 -4.1% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% 0 0.0% -2 -4.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% -3 -6.1% 0 0.0% 0 0.0%
request_path0 N/A% 0 0.0% -1 -2.0% 0 0.0% 0 0.0%