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

substrRun #5394e33e8d847Run #5394e21e9bd45DiffDiff%
Number of Function Calls1,807 1,807 0 0.0%
Incl. Wall Time (microsec)1,125 1,087 -38 -3.4%
Incl. Wall Time (microsec) per call 1 1 -0 -3.4%
Excl. Wall Time (microsec)1,125 1,087 -38 -3.4%
Incl. CPU (microsecs)2,472 2,423 -49 -2.0%
Incl. CPU (microsecs) per call 1 1 -0 -2.0%
Excl. CPU (microsec)2,472 2,423 -49 -2.0%
Incl. MemUse (bytes)99,352 99,336 -16 -0.0%
Incl. MemUse (bytes) per call 55 55 -0 -0.0%
Excl. MemUse (bytes)99,352 99,336 -16 -0.0%
Incl. PeakMemUse (bytes)11,232 10,840 -392 -3.5%
Incl. PeakMemUse (bytes) per call 6 6 -0 -3.5%
Excl. PeakMemUse (bytes)11,232 10,840 -392 -3.5%

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 Function-38 -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%