Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls648 648 0 0.0%
Incl. Wall Time (microsec)226 237 11 4.9%
Incl. Wall Time (microsec) per call 0 0 0 4.9%
Excl. Wall Time (microsec)226 237 11 4.9%
Incl. CPU (microsecs)797 826 29 3.6%
Incl. CPU (microsecs) per call 1 1 0 3.6%
Excl. CPU (microsec)797 826 29 3.6%
Incl. MemUse (bytes)50,888 50,880 -8 -0.0%
Incl. MemUse (bytes) per call 79 79 -0 -0.0%
Excl. MemUse (bytes)50,888 50,880 -8 -0.0%
Incl. PeakMemUse (bytes)20,240 20,240 0 0.0%
Incl. PeakMemUse (bytes) per call 31 31 0 0.0%
Excl. PeakMemUse (bytes)20,240 20,240 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% 11 0.1% 29 0.3% -8 -0.1% 0 0.0%
Exclusive Metrics Diff for Current Function11 100.0% 29 100.0% -8 -100.0% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 7 63.6% 13 44.8% 0 0.0% 0 N/A%
devel_silent0 N/A% 2 18.2% 2 6.9% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -9.1% 5 17.2% 0 0.0% 0 N/A%
theme@10 N/A% 1 9.1% 4 13.8% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 9.1% 2 6.9% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -9.1% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 9.1% 1 3.4% 0 0.0% 0 N/A%
drupal_random_bytes0 N/A% 1 9.1% -1 -3.4% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% -1 -3.4% 0 0.0% 0 N/A%
theme@20 N/A% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\system\Plugin\block\block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 2 6.9% -8 -100.0% 0 N/A%
request_path0 N/A% 0 0.0% 1 3.4% 0 0.0% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 1 3.4% 0 0.0% 0 N/A%