Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls371 371 0 0.0%
Incl. Wall Time (microsec)203 207 4 2.0%
Incl. Wall Time (microsec) per call 1 1 0 2.0%
Excl. Wall Time (microsec)203 207 4 2.0%
Incl. CPU (microsecs)470 510 40 8.5%
Incl. CPU (microsecs) per call 1 1 0 8.5%
Excl. CPU (microsec)470 510 40 8.5%
Incl. MemUse (bytes)34,256 34,256 0 0.0%
Incl. MemUse (bytes) per call 92 92 0 0.0%
Excl. MemUse (bytes)34,256 34,256 0 0.0%
Incl. PeakMemUse (bytes)10,528 10,528 0 0.0%
Incl. PeakMemUse (bytes) per call 28 28 0 0.0%
Excl. PeakMemUse (bytes)10,528 10,528 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% 4 0.2% 40 5.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 100.0% 40 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -25.0% 8 20.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 7 17.5% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 6 15.0% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% 3 75.0% 6 15.0% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% 2 50.0% 4 10.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 6 150.0% 4 10.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -2 -50.0% 3 7.5% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 1 25.0% 2 5.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -2 -5.0% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% 1 2.5% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 2.5% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% -1 -2.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -4 -100.0% -1 -2.5% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 2.5% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 2.5% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% -1 -25.0% 0 0.0% 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\Utility\Xss::split0 N/A% 0 0.0% 0 0.0% 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%