Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec2301b5aa5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec227a9cea0Run #51ec2301b5aa5DiffDiff%
Number of Function Calls10,893 10,893 0 0.0%
Incl. Wall Time (microsec)3,444 3,276 -168 -4.9%
Incl. Wall Time (microsec) per call 0 0 -0 -4.9%
Excl. Wall Time (microsec)3,444 3,276 -168 -4.9%
Incl. CPU (microsecs)13,674 13,549 -125 -0.9%
Incl. CPU (microsecs) per call 1 1 -0 -0.9%
Excl. CPU (microsec)13,674 13,549 -125 -0.9%
Incl. MemUse (bytes)677,336 677,336 0 0.0%
Incl. MemUse (bytes) per call 62 62 0 0.0%
Excl. MemUse (bytes)677,336 677,336 0 0.0%
Incl. PeakMemUse (bytes)10,872 10,872 0 0.0%
Incl. PeakMemUse (bytes) per call 1 1 0 0.0%
Excl. PeakMemUse (bytes)10,872 10,872 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% -168 -6.1% -125 -2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-168 -100.0% -125 -100.0% 0 N/A% 0 N/A%
Parent functions
Doctrine\Common\Annotations\DocLexer::getType0 N/A% -121 -72.0% -61 -48.8% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% -39 -23.2% -64 -51.2% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% -10 -6.0% 6 4.8% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 3 1.8% -10 -8.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 3 1.8% 4 3.2% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% -2 -1.2% -3 -2.4% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -2 -1.2% -1 -0.8% 0 N/A% 0 N/A%
theme@20 N/A% 1 0.6% 3 2.4% 0 N/A% 0 N/A%
Drupal\image\Plugin\Core\Entity\ImageStyle::getPathToken0 N/A% -1 -0.6% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 1 0.6% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -0.6% -1 -0.8% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -2 -1.6% 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% 0 0.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 0.8% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -3 -2.4% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%