Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d2b1f3d1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51978cc86c728Run #51978d2b1f3d1DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)52 47 -5 -9.6%
Incl. Wall Time (microsec) per call 1 1 -0 -9.6%
Excl. Wall Time (microsec)52 47 -5 -9.6%
Incl. CPU (microsecs)129 128 -1 -0.8%
Incl. CPU (microsecs) per call 2 2 -0 -0.8%
Excl. CPU (microsec)129 128 -1 -0.8%
Incl. MemUse (bytes)27,920 27,920 0 0.0%
Incl. MemUse (bytes) per call 388 388 0 0.0%
Excl. MemUse (bytes)27,920 27,920 0 0.0%
Incl. PeakMemUse (bytes)13,944 13,944 0 0.0%
Incl. PeakMemUse (bytes) per call 194 194 0 0.0%
Excl. PeakMemUse (bytes)13,944 13,944 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% -5 -1.2% -1 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -2 -40.0% 3 300.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -1 -20.0% -2 -200.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -20.0% -2 -200.0% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% -1 -20.0% 1 100.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -2 -200.0% 0 N/A% 0 N/A%
dblog_watchdog0 N/A% 0 0.0% 2 200.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 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% 0 0.0% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% -1 -100.0% 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%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%
edit_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%
request_path0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 1 100.0% 0 N/A% 0 N/A%