Diff Report
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #517c1770a3264Run #517c1836bbd84DiffDiff%
Number of Function Calls648 648 0 0.0%
Incl. Wall Time (microsec)266 239 -27 -10.2%
Incl. Wall Time (microsec) per call 0 0 -0 -10.2%
Excl. Wall Time (microsec)266 239 -27 -10.2%
Incl. CPU (microsecs)829 852 23 2.8%
Incl. CPU (microsecs) per call 1 1 0 2.8%
Excl. CPU (microsec)829 852 23 2.8%
Incl. MemUse (bytes)50,880 50,880 0 0.0%
Incl. MemUse (bytes) per call 79 79 0 0.0%
Excl. MemUse (bytes)50,880 50,880 0 0.0%
Incl. PeakMemUse (bytes)20,192 20,192 0 0.0%
Incl. PeakMemUse (bytes) per call 31 31 0 0.0%
Excl. PeakMemUse (bytes)20,192 20,192 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% -27 -1.7% 23 1.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-27 -100.0% 23 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -25 -92.6% 21 91.3% 0 N/A% 0 N/A%
devel_silent0 N/A% 2 7.4% -1 -4.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -2 -7.4% 2 8.7% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% -1 -3.7% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -3.7% 0 0.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\block\block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 2 8.7% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
drupal_random_bytes0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -1 -4.3% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 4.3% 0 N/A% 0 N/A%