Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c619634b1e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519c60f26cf68Run #519c619634b1eDiffDiff%
Number of Function Calls829 829 0 0.0%
Incl. Wall Time (microsec)850 853 3 0.4%
Incl. Wall Time (microsec) per call 1 1 0 0.4%
Excl. Wall Time (microsec)850 853 3 0.4%
Incl. CPU (microsecs)1,561 1,586 25 1.6%
Incl. CPU (microsecs) per call 2 2 0 1.6%
Excl. CPU (microsec)1,561 1,586 25 1.6%
Incl. MemUse (bytes)44,844 44,844 0 0.0%
Incl. MemUse (bytes) per call 54 54 0 0.0%
Excl. MemUse (bytes)44,844 44,844 0 0.0%
Incl. PeakMemUse (bytes)15,640 15,640 0 0.0%
Incl. PeakMemUse (bytes) per call 19 19 0 0.0%
Excl. PeakMemUse (bytes)15,640 15,640 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% 3 0.2% 25 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 100.0% 25 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 4 133.3% 19 76.0% 0 N/A% 0 N/A%
devel_silent0 N/A% -1 -33.3% -2 -8.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 1 4.0% 0 N/A% 0 N/A%
url0 N/A% 0 0.0% 6 24.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -2 -8.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 4.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -5 -20.0% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 2 8.0% 0 N/A% 0 N/A%
file_uri_scheme0 N/A% 0 0.0% 1 4.0% 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%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 12.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -2 -8.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 2 8.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 4.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 1 4.0% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -1 -4.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%