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

substrRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls1,697 1,691 -6 -0.4%
Incl. Wall Time (microsec)98 47 -51 -52.0%
Incl. Wall Time (microsec) per call 0 0 -0 -51.9%
Excl. Wall Time (microsec)98 47 -51 -52.0%
Incl. CPU (microsecs)1,850 1,842 -8 -0.4%
Incl. CPU (microsecs) per call 1 1 -0 -0.1%
Excl. CPU (microsec)1,850 1,842 -8 -0.4%
Incl. MemUse (bytes)80,536 80,232 -304 -0.4%
Incl. MemUse (bytes) per call 47 47 -0 -0.0%
Excl. MemUse (bytes)80,536 80,232 -304 -0.4%
Incl. PeakMemUse (bytes)8,320 8,160 -160 -1.9%
Incl. PeakMemUse (bytes) per call 5 5 -0 -1.6%
Excl. PeakMemUse (bytes)8,320 8,160 -160 -1.9%

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% -51 -0.9% -8 -0.1% -304 -1.3% -160 -0.7%
Exclusive Metrics Diff for Current Function-51 -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::getCacheFilename-4 -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::getContainingDirectoryFullPath-2 -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%