Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls630 630 0 0.0%
Incl. Wall Time (microsec)645 665 20 3.1%
Incl. Wall Time (microsec) per call 1 1 0 3.1%
Excl. Wall Time (microsec)645 665 20 3.1%
Incl. CPU (microsecs)1,183 1,202 19 1.6%
Incl. CPU (microsecs) per call 2 2 0 1.6%
Excl. CPU (microsec)1,183 1,202 19 1.6%
Incl. MemUse (bytes)47,288 47,288 0 0.0%
Incl. MemUse (bytes) per call 75 75 0 0.0%
Excl. MemUse (bytes)47,288 47,288 0 0.0%
Incl. PeakMemUse (bytes)18,408 18,408 0 0.0%
Incl. PeakMemUse (bytes) per call 29 29 0 0.0%
Excl. PeakMemUse (bytes)18,408 18,408 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% 20 7.3% 19 7.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function20 100.0% 19 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 16 80.0% 17 89.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 8 40.0% 9 47.4% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -4 -20.0% -11 -57.9% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 1 5.3% 0 N/A% 0 N/A%
dblog_watchdog0 N/A% 0 0.0% 2 10.5% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 5 26.3% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% -4 -21.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 1 5.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 3 15.8% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 5.3% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%