Diff Report
Run #5230a9efcd55c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5230a98f3b26c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #5230a9efcd55cRun #5230a98f3b26cDiffDiff%
Number of Function Calls930 930 0 0.0%
Incl. Wall Time (microsec)1,264 1,268 4 0.3%
Incl. Wall Time (microsec) per call 1 1 0 0.3%
Excl. Wall Time (microsec)1,264 1,268 4 0.3%
Incl. CPU (microsecs)2,030 2,025 -5 -0.2%
Incl. CPU (microsecs) per call 2 2 -0 -0.2%
Excl. CPU (microsec)2,030 2,025 -5 -0.2%
Incl. MemUse (bytes)55,120 55,120 0 0.0%
Incl. MemUse (bytes) per call 59 59 0 0.0%
Excl. MemUse (bytes)55,120 55,120 0 0.0%
Incl. PeakMemUse (bytes)7,104 7,104 0 0.0%
Incl. PeakMemUse (bytes) per call 8 8 0 0.0%
Excl. PeakMemUse (bytes)7,104 7,104 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% 4 0.3% -5 -0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 100.0% -5 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% 11 275.0% -35 -700.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -4 -100.0% 11 220.0% 0 N/A% 0 N/A%
theme@10 N/A% 3 75.0% 4 80.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -3 -75.0% 2 40.0% 0 N/A% 0 N/A%
theme@20 N/A% -3 -75.0% 1 20.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% -2 -50.0% 2 40.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 25.0% 1 20.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 1 25.0% -1 -20.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 2 40.0% 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%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 1 20.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 2 40.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -20.0% 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%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 7 140.0% 0 N/A% 0 N/A%