Diff Report
Run #5240420daae43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52404261932b3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5240420daae43Run #52404261932b3DiffDiff%
Number of Function Calls1,143 1,143 0 0.0%
Incl. Wall Time (microsec)1,259 1,251 -8 -0.6%
Incl. Wall Time (microsec) per call 1 1 -0 -0.6%
Excl. Wall Time (microsec)1,259 1,251 -8 -0.6%
Incl. CPU (microsecs)2,373 2,325 -48 -2.0%
Incl. CPU (microsecs) per call 2 2 -0 -2.0%
Excl. CPU (microsec)2,373 2,325 -48 -2.0%
Incl. MemUse (bytes)64,272 64,272 0 0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)64,272 64,272 0 0.0%
Incl. PeakMemUse (bytes)16,888 16,888 0 0.0%
Incl. PeakMemUse (bytes) per call 15 15 0 0.0%
Excl. PeakMemUse (bytes)16,888 16,888 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 -0.7% -48 -2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -100.0% -48 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% -12 -150.0% -43 -89.6% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 4 50.0% -11 -22.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 25.0% -1 -2.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -2 -25.0% 4 8.3% 0 N/A% 0 N/A%
theme@20 N/A% -1 -12.5% 0 0.0% 0 N/A% 0 N/A%
theme@40 N/A% 1 12.5% 1 2.1% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 9 18.8% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 1 2.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% -2 -4.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% -3 -6.2% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -2 -4.2% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 2.1% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 2.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 4.2% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 2 4.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -5 -10.4% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% -2 -4.2% 0 N/A% 0 N/A%