Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c642960e9a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52c641a950046Run #52c642960e9a6DiffDiff%
Number of Function Calls1,882 1,886 4 0.2%
Incl. Wall Time (microsec)281 259 -22 -7.8%
Incl. Wall Time (microsec) per call 0 0 -0 -8.0%
Excl. Wall Time (microsec)281 259 -22 -7.8%
Incl. CPU (microsecs)2,032 1,989 -43 -2.1%
Incl. CPU (microsecs) per call 1 1 -0 -2.3%
Excl. CPU (microsec)2,032 1,989 -43 -2.1%
Incl. MemUse (bytes)498,056 498,248 192 0.0%
Incl. MemUse (bytes) per call 265 264 -0 -0.2%
Excl. MemUse (bytes)498,056 498,248 192 0.0%
Incl. PeakMemUse (bytes)155,944 155,944 0 0.0%
Incl. PeakMemUse (bytes) per call 83 83 -0 -0.2%
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
substr4 100.0% -22 -0.8% -43 -1.6% 192 0.7% 0 0.0%
Exclusive Metrics Diff for Current Function-22 -100.0% -43 -100.0% 192 100.0% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 1 4.5% -1 -2.3% 168 87.5% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 2 4.7% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
file_uri_scheme0 0.0% 1 4.5% -3 -7.0% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% -1 -4.5% 1 2.3% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% -4 -9.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 1 4.5% -1 -2.3% 0 0.0% 0 N/A%
Drupal\image\Entity\ImageStyle::getPathToken0 0.0% -1 -4.5% -1 -2.3% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% -1 -4.5% 2 4.7% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -20 -46.5% 16 8.3% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 10 45.5% -1 -2.3% 8 4.2% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 2.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% -2 -4.7% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -2 -4.7% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% -1 -4.5% 1 2.3% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::set0 0.0% -31 -140.9% -15 -34.9% 0 0.0% 0 N/A%