Diff Report
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec5cfb002eaRun #51ec5ca916d7dDiffDiff%
Number of Function Calls1,773 1,773 0 0.0%
Incl. Wall Time (microsec)661 667 6 0.9%
Incl. Wall Time (microsec) per call 0 0 0 0.9%
Excl. Wall Time (microsec)661 667 6 0.9%
Incl. CPU (microsecs)2,240 2,218 -22 -1.0%
Incl. CPU (microsecs) per call 1 1 -0 -1.0%
Excl. CPU (microsec)2,240 2,218 -22 -1.0%
Incl. MemUse (bytes)122,640 122,640 0 0.0%
Incl. MemUse (bytes) per call 69 69 0 0.0%
Excl. MemUse (bytes)122,640 122,640 0 0.0%
Incl. PeakMemUse (bytes)10,760 10,760 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 0 0.0%
Excl. PeakMemUse (bytes)10,760 10,760 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% 6 0.4% -22 -22.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 100.0% -22 -100.0% 0 N/A% 0 N/A%
Parent functions
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% 12 200.0% 2 9.1% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -8 -133.3% 7 31.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -8 -133.3% -7 -31.8% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% 7 116.7% -19 -86.4% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 7 116.7% 10 45.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -4 -66.7% -6 -27.3% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -1 -16.7% -6 -27.3% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% 1 16.7% 1 4.5% 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%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% -2 -9.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 -4.5% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 1 4.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 9.1% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% -9 -40.9% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 4.5% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 2 9.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 1 4.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 2 9.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -1 -4.5% 0 N/A% 0 N/A%