Diff Report
Run #51afe9f952272: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe9a0d59b4: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51afe9f952272Run #51afe9a0d59b4DiffDiff%
Number of Function Calls981 981 0 0.0%
Incl. Wall Time (microsec)496 487 -9 -1.8%
Incl. Wall Time (microsec) per call 1 0 -0 -1.8%
Excl. Wall Time (microsec)496 487 -9 -1.8%
Incl. CPU (microsecs)1,266 1,270 4 0.3%
Incl. CPU (microsecs) per call 1 1 0 0.3%
Excl. CPU (microsec)1,266 1,270 4 0.3%
Incl. MemUse (bytes)71,608 71,608 0 0.0%
Incl. MemUse (bytes) per call 73 73 0 0.0%
Excl. MemUse (bytes)71,608 71,608 0 0.0%
Incl. PeakMemUse (bytes)21,112 21,112 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 0 0.0%
Excl. PeakMemUse (bytes)21,112 21,112 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% -9 -0.8% 4 0.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -100.0% 4 100.0% 0 N/A% 0 N/A%
Parent functions
theme@20 N/A% -6 -66.7% -1 -25.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -2 -22.2% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -2 -22.2% 8 200.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 11.1% -4 -100.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 1 11.1% 1 25.0% 0 N/A% 0 N/A%
theme@10 N/A% 1 11.1% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -11.1% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -11.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 4 100.0% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
theme@30 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -3 -75.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -1 -25.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% -1 -25.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -3 -75.0% 0 N/A% 0 N/A%