Diff Report
Run #530ad1a439784: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ad1ecad192: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #530ad1a439784Run #530ad1ecad192DiffDiff%
Number of Function Calls1,487 1,487 0 0.0%
Incl. Wall Time (microsec)864 856 -8 -0.9%
Incl. Wall Time (microsec) per call 1 1 -0 -0.9%
Excl. Wall Time (microsec)864 856 -8 -0.9%
Incl. CPU (microsecs)1,930 2,022 92 4.8%
Incl. CPU (microsecs) per call 1 1 0 4.8%
Excl. CPU (microsec)1,930 2,022 92 4.8%
Incl. MemUse (bytes)88,544 88,544 0 0.0%
Incl. MemUse (bytes) per call 60 60 0 0.0%
Excl. MemUse (bytes)88,544 88,544 0 0.0%
Incl. PeakMemUse (bytes)9,920 9,920 0 0.0%
Incl. PeakMemUse (bytes) per call 7 7 0 0.0%
Excl. PeakMemUse (bytes)9,920 9,920 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% -8 -0.5% 92 6.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -100.0% 92 100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% -7 -87.5% 63 68.5% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -3 -37.5% 15 16.3% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 2 25.0% 8 8.7% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 2 25.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -12.5% -2 -2.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -12.5% 3 3.3% 0 N/A% 0 N/A%
_theme@20 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
_theme@10 N/A% 0 0.0% -3 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 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% 1 1.1% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::split0 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 2.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 2 2.2% 0 N/A% 0 N/A%
_drupal_request_initialize0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
_theme0 N/A% 0 0.0% 3 3.3% 0 N/A% 0 N/A%