Diff Report
Run #5230aa47d621c: 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 #5230aa47d621cRun #5230a98f3b26cDiffDiff%
Number of Function Calls934 930 -4 -0.4%
Incl. Wall Time (microsec)1,249 1,268 19 1.5%
Incl. Wall Time (microsec) per call 1 1 0 2.0%
Excl. Wall Time (microsec)1,249 1,268 19 1.5%
Incl. CPU (microsecs)2,038 2,025 -13 -0.6%
Incl. CPU (microsecs) per call 2 2 -0 -0.2%
Excl. CPU (microsec)2,038 2,025 -13 -0.6%
Incl. MemUse (bytes)55,288 55,120 -168 -0.3%
Incl. MemUse (bytes) per call 59 59 0 0.1%
Excl. MemUse (bytes)55,288 55,120 -168 -0.3%
Incl. PeakMemUse (bytes)6,992 7,104 112 1.6%
Incl. PeakMemUse (bytes) per call 7 8 0 2.0%
Excl. PeakMemUse (bytes)6,992 7,104 112 1.6%

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
substr-4 -100.0% 19 2.2% -13 -1.4% -168 -0.3% 112 0.2%
Exclusive Metrics Diff for Current Function19 100.0% -13 -100.0% -168 -100.0% 112 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% 22 115.8% -24 -184.6% 0 0.0% 32 28.6%
Twig_Environment::getCacheFilename-4 -100.0% -4 -21.1% -8 -61.5% -168 -100.0% 0 0.0%
theme@10 0.0% 3 15.8% 2 15.4% 0 0.0% 0 0.0%
theme@20 0.0% -2 -10.5% 1 7.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 1 5.3% 1 7.7% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -1 -5.3% 5 38.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 4 30.8% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 2 15.4% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 80 71.4%
request_path0 0.0% 0 0.0% 2 15.4% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 2 15.4% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% 2 15.4% 0 0.0% 0 0.0%