Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls1,691 1,697 6 0.4%
Incl. Wall Time (microsec)47 98 51 108.5%
Incl. Wall Time (microsec) per call 0 0 0 107.8%
Excl. Wall Time (microsec)47 98 51 108.5%
Incl. CPU (microsecs)1,842 1,850 8 0.4%
Incl. CPU (microsecs) per call 1 1 0 0.1%
Excl. CPU (microsec)1,842 1,850 8 0.4%
Incl. MemUse (bytes)80,232 80,536 304 0.4%
Incl. MemUse (bytes) per call 47 47 0 0.0%
Excl. MemUse (bytes)80,232 80,536 304 0.4%
Incl. PeakMemUse (bytes)8,160 8,320 160 2.0%
Incl. PeakMemUse (bytes) per call 5 5 0 1.6%
Excl. PeakMemUse (bytes)8,160 8,320 160 2.0%

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
substr6 100.0% 51 0.9% 8 0.1% 304 1.3% 160 0.7%
Exclusive Metrics Diff for Current Function51 100.0% 8 100.0% 304 100.0% 160 100.0%
Parent functions
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 30 58.8% -4 -50.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 14 27.5% 1 12.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 5 9.8% -18 -225.0% 0 0.0% 0 0.0%
_theme@30 0.0% 1 2.0% 27 337.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 66.7% -1 -2.0% -4 -50.0% 232 76.3% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 1 2.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 1 2.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% -5 -62.5% 0 0.0% 0 0.0%
_theme@20 0.0% 0 0.0% 4 50.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 1 12.5% -48 -15.8% 0 0.0%
_theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_theme0 0.0% 0 0.0% 11 137.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -2 -25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 2 25.0% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath2 33.3% 0 0.0% 4 50.0% 120 39.5% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% 2 25.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 160 100.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 2 25.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -12.5% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -12 -150.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%