Diff Report
Run #51ad01387670b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad018db619c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ad01387670bRun #51ad018db619cDiffDiff%
Number of Function Calls890 890 0 0.0%
Incl. Wall Time (microsec)430 427 -3 -0.7%
Incl. Wall Time (microsec) per call 0 0 -0 -0.7%
Excl. Wall Time (microsec)430 427 -3 -0.7%
Incl. CPU (microsecs)1,171 1,165 -6 -0.5%
Incl. CPU (microsecs) per call 1 1 -0 -0.5%
Excl. CPU (microsec)1,171 1,165 -6 -0.5%
Incl. MemUse (bytes)61,704 61,704 0 0.0%
Incl. MemUse (bytes) per call 69 69 0 0.0%
Excl. MemUse (bytes)61,704 61,704 0 0.0%
Incl. PeakMemUse (bytes)12,096 12,096 0 0.0%
Incl. PeakMemUse (bytes) per call 14 14 0 0.0%
Excl. PeakMemUse (bytes)12,096 12,096 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% -3 -0.9% -6 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -100.0% -6 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -6 -200.0% -10 -166.7% 0 N/A% 0 N/A%
theme@20 N/A% 4 133.3% 2 33.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -2 -66.7% 5 83.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 1 33.3% -3 -50.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -4 -66.7% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 2 33.3% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 3 50.0% 0 N/A% 0 N/A%