Diff Report
Run #51afea2244278: 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 #51afea2244278Run #51afe9a0d59b4DiffDiff%
Number of Function Calls985 981 -4 -0.4%
Incl. Wall Time (microsec)489 487 -2 -0.4%
Incl. Wall Time (microsec) per call 0 0 -0 -0.0%
Excl. Wall Time (microsec)489 487 -2 -0.4%
Incl. CPU (microsecs)1,260 1,270 10 0.8%
Incl. CPU (microsecs) per call 1 1 0 1.2%
Excl. CPU (microsec)1,260 1,270 10 0.8%
Incl. MemUse (bytes)71,776 71,608 -168 -0.2%
Incl. MemUse (bytes) per call 73 73 0 0.2%
Excl. MemUse (bytes)71,776 71,608 -168 -0.2%
Incl. PeakMemUse (bytes)21,088 21,112 24 0.1%
Incl. PeakMemUse (bytes) per call 21 22 0 0.5%
Excl. PeakMemUse (bytes)21,088 21,112 24 0.1%

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% -2 -0.3% 10 5.0% -168 -0.4% 24 0.1%
Exclusive Metrics Diff for Current Function-2 -100.0% 10 100.0% -168 -100.0% 24 100.0%
Parent functions
Twig_Environment::getCacheFilename-4 -100.0% -3 -150.0% 2 20.0% -168 -100.0% 0 0.0%
theme@10 0.0% -3 -150.0% -6 -60.0% 0 0.0% 0 0.0%
theme@20 0.0% 2 100.0% -6 -60.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 2 100.0% 0 0.0% 0 0.0% 0 0.0%
devel_silent0 0.0% 1 50.0% 2 20.0% 0 0.0% 0 0.0%
theme@30 0.0% 1 50.0% 1 10.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -50.0% 3 30.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 1 50.0% 18 180.0% 0 0.0% 40 166.7%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -50.0% 1 10.0% 0 0.0% -16 -66.7%
Drupal\Component\Uuid\Php::generate0 0.0% -1 -50.0% -3 -30.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
theme@40 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -4 -40.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%