Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c6423bf12de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52c641a950046Run #52c6423bf12deDiffDiff%
Number of Function Calls1,882 1,882 0 0.0%
Incl. Wall Time (microsec)281 270 -11 -3.9%
Incl. Wall Time (microsec) per call 0 0 -0 -3.9%
Excl. Wall Time (microsec)281 270 -11 -3.9%
Incl. CPU (microsecs)2,032 1,965 -67 -3.3%
Incl. CPU (microsecs) per call 1 1 -0 -3.3%
Excl. CPU (microsec)2,032 1,965 -67 -3.3%
Incl. MemUse (bytes)498,056 498,056 0 0.0%
Incl. MemUse (bytes) per call 265 265 0 0.0%
Excl. MemUse (bytes)498,056 498,056 0 0.0%
Incl. PeakMemUse (bytes)155,944 155,944 0 0.0%
Incl. PeakMemUse (bytes) per call 83 83 0 0.0%
Excl. PeakMemUse (bytes)155,944 155,944 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% -11 -2.3% -67 -15.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-11 -100.0% -67 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::set0 N/A% -31 -281.8% -18 -26.9% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 17 154.5% -27 -40.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 8 72.7% -24 -35.8% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% -2 -18.2% -16 -23.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 9.1% 3 4.5% 0 N/A% 0 N/A%
Drupal\image\Entity\ImageStyle::getPathToken0 N/A% -1 -9.1% -4 -6.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% -1 -9.1% 1 1.5% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% -1 -9.1% -3 -4.5% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -9.1% 1 1.5% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -2 -3.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 1.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 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 1.5% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 3 4.5% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 2 3.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 7 10.4% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 -1.5% 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%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 9 13.4% 0 N/A% 0 N/A%