Diff Report
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #539fd2b68bc13Run #539fd0a78f1b7DiffDiff%
Number of Function Calls1,900 1,899 -1 -0.1%
Incl. Wall Time (microsec)1,498 1,523 25 1.7%
Incl. Wall Time (microsec) per call 1 1 0 1.7%
Excl. Wall Time (microsec)1,498 1,523 25 1.7%
Incl. CPU (microsecs)2,968 2,926 -42 -1.4%
Incl. CPU (microsecs) per call 2 2 -0 -1.4%
Excl. CPU (microsec)2,968 2,926 -42 -1.4%
Incl. MemUse (bytes)105,832 105,784 -48 -0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)105,832 105,784 -48 -0.0%
Incl. PeakMemUse (bytes)11,800 11,488 -312 -2.6%
Incl. PeakMemUse (bytes) per call 6 6 -0 -2.6%
Excl. PeakMemUse (bytes)11,800 11,488 -312 -2.6%

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
substr-1 -100.0% 25 0.1% -42 -0.1% -48 -0.0% -312 -0.0%
Exclusive Metrics Diff for Current Function25 100.0% -42 -100.0% -48 -100.0% -312 -100.0%
Parent functions
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 15 60.0% 32 76.2% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 15 60.0% 21 50.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension-1 -100.0% -13 -52.0% -30 -71.4% -24 -50.0% -200 -64.1%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -8 -32.0% -20 -47.6% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 0.0% 6 24.0% 6 14.3% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 5 20.0% -10 -23.8% 0 0.0% 0 0.0%
Drupal\image\Entity\ImageStyle::getPathToken0 0.0% -4 -16.0% -4 -9.5% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 4 16.0% 8 19.0% 0 0.0% 0 0.0%
_theme@20 0.0% 2 8.0% 4 9.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 0.0% 2 8.0% -22 -52.4% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% -1 -4.0% -2 -4.8% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 1 4.0% -22 -52.4% 0 0.0% 0 0.0%
_theme@10 0.0% 1 4.0% 1 2.4% 0 0.0% 0 0.0%
devel_silent0 0.0% 1 4.0% 2 4.8% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -4.0% -1 -2.4% -24 -50.0% -80 -25.6%
_drupal_request_initialize0 0.0% 1 4.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% -1 -4.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 4.0% 1 2.4% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -1 -4.0% -3 -7.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% -2 -4.8% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 1 2.4% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% -1 -2.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -2 -4.8% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% 0 0.0% -1 -2.4% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 2 4.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% -32 -10.3%