Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls1,846 1,854 8 0.4%
Incl. Wall Time (microsec)683 731 48 7.0%
Incl. Wall Time (microsec) per call 0 0 0 6.6%
Excl. Wall Time (microsec)683 731 48 7.0%
Incl. CPU (microsecs)2,352 2,323 -29 -1.2%
Incl. CPU (microsecs) per call 1 1 -0 -1.7%
Excl. CPU (microsec)2,352 2,323 -29 -1.2%
Incl. MemUse (bytes)125,608 125,960 352 0.3%
Incl. MemUse (bytes) per call 68 68 -0 -0.2%
Excl. MemUse (bytes)125,608 125,960 352 0.3%
Incl. PeakMemUse (bytes)10,768 10,768 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 -0 -0.4%
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
substr8 100.0% 48 3.1% -29 -1.7% 352 0.3% 0 0.0%
Exclusive Metrics Diff for Current Function48 100.0% -29 -100.0% 352 100.0% 0 N/A%
Parent functions
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 37 77.1% -43 -148.3% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename8 100.0% 6 12.5% 6 20.7% 336 95.5% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 4 8.3% -12 -41.4% 16 4.5% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 2 4.2% -4 -13.8% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -2 -4.2% 4 13.8% 0 0.0% 0 N/A%
theme@20 0.0% 2 4.2% 3 10.3% 0 0.0% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% -1 -2.1% 2 6.9% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% 2 6.9% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% 3 10.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -1 -3.4% 0 0.0% 0 N/A%
theme@40 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 3 10.3% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 1 3.4% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 5 17.2% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 1 3.4% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 1 3.4% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -2 -6.9% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -2 -6.9% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 3 10.3% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 1 3.4% 0 0.0% 0 N/A%