Diff Report
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #52f2e62cef49aRun #52f2e60305388DiffDiff%
Number of Function Calls258 254 -4 -1.6%
Incl. Wall Time (microsec)78 88 10 12.8%
Incl. Wall Time (microsec) per call 0 0 0 14.6%
Excl. Wall Time (microsec)78 88 10 12.8%
Incl. CPU (microsecs)341 366 25 7.3%
Incl. CPU (microsecs) per call 1 1 0 9.0%
Excl. CPU (microsec)341 366 25 7.3%
Incl. MemUse (bytes)25,552 25,336 -216 -0.8%
Incl. MemUse (bytes) per call 99 100 1 0.7%
Excl. MemUse (bytes)25,552 25,336 -216 -0.8%
Incl. PeakMemUse (bytes)8,800 8,800 0 0.0%
Incl. PeakMemUse (bytes) per call 34 35 1 1.6%
Excl. PeakMemUse (bytes)8,800 8,800 0 0.0%

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
substr-4 -100.0% 10 0.4% 25 1.2% -216 -0.4% 0 0.0%
Exclusive Metrics Diff for Current Function10 100.0% 25 100.0% -216 -100.0% 0 N/A%
Parent functions
theme@20 0.0% 11 110.0% 12 48.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -9 -90.0% -5 -20.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 4 40.0% 9 36.0% 0 0.0% 0 N/A%
theme@10 0.0% -3 -30.0% -2 -8.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 3 30.0% 4 16.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 3 30.0% 1 4.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% 2 20.0% 5 20.0% -232 -107.4% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% -1 -10.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% -2 -8.0% 16 7.4% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 3 12.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 1 4.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% 4 16.0% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -2 -8.0% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%