Diff Report
Run #51a0f086f2681: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a0ef63cb19e: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for substr

substrRun #51a0f086f2681Run #51a0ef63cb19eDiffDiff%
Number of Function Calls753 749 -4 -0.5%
Incl. Wall Time (microsec)1,066 1,092 26 2.4%
Incl. Wall Time (microsec) per call 1 1 0 3.0%
Excl. Wall Time (microsec)1,066 1,092 26 2.4%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)42,520 42,404 -116 -0.3%
Incl. MemUse (bytes) per call 56 57 0 0.3%
Excl. MemUse (bytes)42,520 42,404 -116 -0.3%
Incl. PeakMemUse (bytes)14,796 14,772 -24 -0.2%
Incl. PeakMemUse (bytes) per call 20 20 0 0.4%
Excl. PeakMemUse (bytes)14,796 14,772 -24 -0.2%

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% 26 0.7% 0 0.0% -116 -0.7% -24 -0.1%
Exclusive Metrics Diff for Current Function26 100.0% 0 N/A% -116 -100.0% -24 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 34 130.8% 0 N/A% 0 0.0% -24 -100.0%
theme@40 0.0% -4 -15.4% 0 N/A% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -3 -11.5% 0 N/A% -116 -100.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 2 7.7% 0 N/A% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -7.7% 0 N/A% 0 0.0% 0 0.0%
theme@50 0.0% -2 -7.7% 0 N/A% 0 0.0% 0 0.0%
theme@30 0.0% 1 3.8% 0 N/A% 0 0.0% 0 0.0%
theme@20 0.0% -1 -3.8% 0 N/A% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 1 3.8% 0 N/A% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 1 3.8% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -3.8% 0 N/A% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%