Diff Report
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #53920c043e98bRun #53920b950c201DiffDiff%
Number of Function Calls308 302 -6 -1.9%
Incl. Wall Time (microsec)308 322 14 4.5%
Incl. Wall Time (microsec) per call 1 1 0 6.6%
Excl. Wall Time (microsec)308 322 14 4.5%
Incl. CPU (microsecs)536 574 38 7.1%
Incl. CPU (microsecs) per call 2 2 0 9.2%
Excl. CPU (microsec)536 574 38 7.1%
Incl. MemUse (bytes)18,732 18,456 -276 -1.5%
Incl. MemUse (bytes) per call 61 61 0 0.5%
Excl. MemUse (bytes)18,732 18,456 -276 -1.5%
Incl. PeakMemUse (bytes)9,212 9,276 64 0.7%
Incl. PeakMemUse (bytes) per call 30 31 1 2.7%
Excl. PeakMemUse (bytes)9,212 9,276 64 0.7%

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-6 -100.0% 14 3.9% 38 20.3% -276 -2.6% 64 0.6%
Exclusive Metrics Diff for Current Function14 100.0% 38 100.0% -276 -100.0% 64 100.0%
Parent functions
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 9 64.3% 13 34.2% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath-2 -33.3% 7 50.0% 7 18.4% -96 -34.8% 0 0.0%
Twig_Environment::getCacheFilename-4 -66.7% -4 -28.6% -1 -2.6% -180 -65.2% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 2 14.3% -5 -13.2% 0 0.0% 0 0.0%
_theme0 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 11 28.9% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% 3 7.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 2 5.3% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 2 5.3% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% 4 10.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 1 2.6% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 0.0%
_theme@20 0.0% 0 0.0% -2 -5.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 6 15.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 1 2.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 2 5.3% 0 0.0% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 0 0.0% -2 -5.3% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -2.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::getPort0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 2.6% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% -1 -2.6% 0 0.0% 64 100.0%