Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #518eceb4aac68Run #518ed14bbba55DiffDiff%
Number of Function Calls39 43 4 10.3%
Incl. Wall Time (microsec)16 17 1 6.2%
Incl. Wall Time (microsec) per call 0 0 -0 -3.6%
Excl. Wall Time (microsec)16 17 1 6.2%
Incl. CPU (microsecs)59 68 9 15.3%
Incl. CPU (microsecs) per call 2 2 0 4.5%
Excl. CPU (microsec)59 68 9 15.3%
Incl. MemUse (bytes)15,552 15,720 168 1.1%
Incl. MemUse (bytes) per call 399 366 -33 -8.3%
Excl. MemUse (bytes)15,552 15,720 168 1.1%
Incl. PeakMemUse (bytes)5,736 5,736 0 0.0%
Incl. PeakMemUse (bytes) per call 147 133 -14 -9.3%
Excl. PeakMemUse (bytes)5,736 5,736 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
substr4 100.0% 1 0.4% 9 2.9% 168 0.8% 0 0.0%
Exclusive Metrics Diff for Current Function1 100.0% 9 100.0% 168 100.0% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 2 200.0% 7 77.8% 168 100.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -100.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% -2 -22.2% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 5 55.6% 0 0.0% 0 N/A%
theme@30 0.0% 0 0.0% -1 -11.1% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 3 33.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -1 -11.1% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% -2 -22.2% 0 0.0% 0 N/A%