Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls76 72 -4 -5.3%
Incl. Wall Time (microsec)54 52 -2 -3.7%
Incl. Wall Time (microsec) per call 1 1 0 1.6%
Excl. Wall Time (microsec)54 52 -2 -3.7%
Incl. CPU (microsecs)130 129 -1 -0.8%
Incl. CPU (microsecs) per call 2 2 0 4.7%
Excl. CPU (microsec)130 129 -1 -0.8%
Incl. MemUse (bytes)28,088 27,920 -168 -0.6%
Incl. MemUse (bytes) per call 370 388 18 4.9%
Excl. MemUse (bytes)28,088 27,920 -168 -0.6%
Incl. PeakMemUse (bytes)13,864 13,944 80 0.6%
Incl. PeakMemUse (bytes) per call 182 194 11 6.2%
Excl. PeakMemUse (bytes)13,864 13,944 80 0.6%

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
substr-4 -100.0% -2 -0.8% -1 -0.8% -168 -0.8% 80 0.3%
Exclusive Metrics Diff for Current Function-2 -100.0% -1 -100.0% -168 -100.0% 80 100.0%
Parent functions
theme@20 0.0% -2 -100.0% -2 -200.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 2 100.0% -1 -100.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -1 -50.0% -4 -400.0% -168 -100.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -50.0% -2 -200.0% 0 0.0% 0 0.0%
theme@10 0.0% -1 -50.0% 2 200.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 50.0% 6 600.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@40 0.0% 0 0.0% 1 100.0% 0 0.0% 80 100.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
dblog_watchdog0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 100.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 100.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -2 -200.0% 0 0.0% 0 0.0%