Diff Report
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc9a1407b3: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519fc956834f6Run #519fc9a1407b3DiffDiff%
Number of Function Calls72 76 4 5.6%
Incl. Wall Time (microsec)17 20 3 17.6%
Incl. Wall Time (microsec) per call 0 0 0 11.5%
Excl. Wall Time (microsec)17 20 3 17.6%
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)36,824 36,992 168 0.5%
Incl. MemUse (bytes) per call 511 487 -25 -4.8%
Excl. MemUse (bytes)36,824 36,992 168 0.5%
Incl. PeakMemUse (bytes)32,176 32,176 0 0.0%
Incl. PeakMemUse (bytes) per call 447 423 -24 -5.3%
Excl. PeakMemUse (bytes)32,176 32,176 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% 3 0.7% 0 0.0% 168 0.1% 0 0.0%
Exclusive Metrics Diff for Current Function3 100.0% 0 N/A% 168 100.0% 0 N/A%
Parent functions
request_path0 0.0% -1 -33.3% 0 N/A% 0 0.0% 0 N/A%
url0 0.0% 1 33.3% 0 N/A% 0 0.0% 0 N/A%
theme@10 0.0% 1 33.3% 0 N/A% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 1 33.3% 0 N/A% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 100.0% 1 33.3% 0 N/A% 168 100.0% 0 N/A%
theme@20 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
theme@40 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%