Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls371 375 4 1.1%
Incl. Wall Time (microsec)203 198 -5 -2.5%
Incl. Wall Time (microsec) per call 1 1 -0 -3.5%
Excl. Wall Time (microsec)203 198 -5 -2.5%
Incl. CPU (microsecs)470 479 9 1.9%
Incl. CPU (microsecs) per call 1 1 0 0.8%
Excl. CPU (microsec)470 479 9 1.9%
Incl. MemUse (bytes)34,256 34,424 168 0.5%
Incl. MemUse (bytes) per call 92 92 -1 -0.6%
Excl. MemUse (bytes)34,256 34,424 168 0.5%
Incl. PeakMemUse (bytes)10,528 10,528 0 0.0%
Incl. PeakMemUse (bytes) per call 28 28 -0 -1.1%
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
substr4 100.0% -5 -1.3% 9 0.8% 168 0.5% 0 0.0%
Exclusive Metrics Diff for Current Function-5 -100.0% 9 100.0% 168 100.0% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -3 -60.0% 9 100.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 3 60.0% -2 -22.2% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 0.0% -2 -40.0% -4 -44.4% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% -2 -40.0% -1 -11.1% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% -2 -40.0% -3 -33.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 20.0% 4 44.4% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 100.0% 0 0.0% 0 0.0% 168 100.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% 3 33.3% 0 0.0% 0 N/A%
Drupal\Component\Utility\Xss::split0 0.0% 0 0.0% 1 11.1% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 1 11.1% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% -1 -11.1% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 2 22.2% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% -1 -11.1% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -1 -11.1% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 2 22.2% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -1 -11.1% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 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%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 0 0.0% 1 11.1% 0 0.0% 0 N/A%