Diff Report
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51981e3ae1e6cRun #51981beb768adDiffDiff%
Number of Function Calls122 118 -4 -3.3%
Incl. Wall Time (microsec)43 39 -4 -9.3%
Incl. Wall Time (microsec) per call 0 0 -0 -6.2%
Excl. Wall Time (microsec)43 39 -4 -9.3%
Incl. CPU (microsecs)149 166 17 11.4%
Incl. CPU (microsecs) per call 1 1 0 15.2%
Excl. CPU (microsec)149 166 17 11.4%
Incl. MemUse (bytes)50,504 50,312 -192 -0.4%
Incl. MemUse (bytes) per call 414 426 12 3.0%
Excl. MemUse (bytes)50,504 50,312 -192 -0.4%
Incl. PeakMemUse (bytes)14,928 14,920 -8 -0.1%
Incl. PeakMemUse (bytes) per call 122 126 4 3.3%
Excl. PeakMemUse (bytes)14,928 14,920 -8 -0.1%

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% -4 -3.3% 17 3.2% -192 -0.5% -8 -0.0%
Exclusive Metrics Diff for Current Function-4 -100.0% 17 100.0% -192 -100.0% -8 -100.0%
Parent functions
theme@20 0.0% -2 -50.0% 7 41.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -25.0% -1 -5.9% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% -1 -25.0% 0 0.0% -24 -12.5% 0 0.0%
_filter_xss_split0 0.0% 0 0.0% 2 11.8% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -2 -11.8% 0 0.0% 0 0.0%
dblog_watchdog0 0.0% 0 0.0% -3 -17.6% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% 0 0.0% -2 -11.8% -168 -87.5% 0 0.0%
theme@40 0.0% 0 0.0% 1 5.9% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 3 17.6% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 5.9% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 13 76.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -1 -5.9% 0 0.0% -8 -100.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 5.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -5.9% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -1 -5.9% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 5.9% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 1 5.9% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -2 -11.8% 0 0.0% 0 0.0%