Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec485525502Run #51ec489b18752DiffDiff%
Number of Function Calls1,846 1,846 0 0.0%
Incl. Wall Time (microsec)683 695 12 1.8%
Incl. Wall Time (microsec) per call 0 0 0 1.8%
Excl. Wall Time (microsec)683 695 12 1.8%
Incl. CPU (microsecs)2,352 2,329 -23 -1.0%
Incl. CPU (microsecs) per call 1 1 -0 -1.0%
Excl. CPU (microsec)2,352 2,329 -23 -1.0%
Incl. MemUse (bytes)125,608 125,608 0 0.0%
Incl. MemUse (bytes) per call 68 68 0 0.0%
Excl. MemUse (bytes)125,608 125,608 0 0.0%
Incl. PeakMemUse (bytes)10,768 10,768 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 0 0.0%
Excl. PeakMemUse (bytes)10,768 10,768 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
substr0 N/A% 12 1.2% -23 -5.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 100.0% -23 -100.0% 0 N/A% 0 N/A%
Parent functions
Doctrine\Common\Annotations\DocLexer::getType0 N/A% -16 -133.3% -81 -352.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 13 108.3% 22 95.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 10 83.3% 2 8.7% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% 6 50.0% 14 60.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -8.3% 1 4.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% -1 -8.3% 2 8.7% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 1 8.3% 2 8.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 4 17.4% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 6 26.1% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% 3 13.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 4 17.4% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -3 -13.0% 0 N/A% 0 N/A%