Diff Report
Run #519c0a965645d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519c0a965645dRun #519c0a514701fDiffDiff%
Number of Function Calls749 749 0 0.0%
Incl. Wall Time (microsec)783 769 -14 -1.8%
Incl. Wall Time (microsec) per call 1 1 -0 -1.8%
Excl. Wall Time (microsec)783 769 -14 -1.8%
Incl. CPU (microsecs)1,437 1,448 11 0.8%
Incl. CPU (microsecs) per call 2 2 0 0.8%
Excl. CPU (microsec)1,437 1,448 11 0.8%
Incl. MemUse (bytes)42,056 42,056 0 0.0%
Incl. MemUse (bytes) per call 56 56 0 0.0%
Excl. MemUse (bytes)42,056 42,056 0 0.0%
Incl. PeakMemUse (bytes)15,372 15,372 0 0.0%
Incl. PeakMemUse (bytes) per call 21 21 0 0.0%
Excl. PeakMemUse (bytes)15,372 15,372 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% -14 -0.9% 11 1.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -100.0% 11 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -13 -92.9% 25 227.3% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% -1 -7.1% -2 -18.2% 0 N/A% 0 N/A%
devel_silent0 N/A% 1 7.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -1 -7.1% -7 -63.6% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -2 -18.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 9.1% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% -2 -18.2% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 -9.1% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -9.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -9.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 9.1% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%