Diff Report
Run #5198f219706e9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5198f219706e9Run #5198f0bb880efDiffDiff%
Number of Function Calls163 163 0 0.0%
Incl. Wall Time (microsec)51 44 -7 -13.7%
Incl. Wall Time (microsec) per call 0 0 -0 -13.7%
Excl. Wall Time (microsec)51 44 -7 -13.7%
Incl. CPU (microsecs)219 210 -9 -4.1%
Incl. CPU (microsecs) per call 1 1 -0 -4.1%
Excl. CPU (microsec)219 210 -9 -4.1%
Incl. MemUse (bytes)28,536 28,536 0 0.0%
Incl. MemUse (bytes) per call 175 175 0 0.0%
Excl. MemUse (bytes)28,536 28,536 0 0.0%
Incl. PeakMemUse (bytes)10,120 10,120 0 0.0%
Incl. PeakMemUse (bytes) per call 62 62 0 0.0%
Excl. PeakMemUse (bytes)10,120 10,120 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% -7 -15.2% -9 -4.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-7 -100.0% -9 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -4 -57.1% -2 -22.2% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -3 -42.9% -2 -22.2% 0 N/A% 0 N/A%
dblog_watchdog0 N/A% 1 14.3% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 1 14.3% 4 44.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -14.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -14.3% -2 -22.2% 0 N/A% 0 N/A%
theme@30 N/A% 0 0.0% 4 44.4% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
theme@40 N/A% 0 0.0% 1 11.1% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -2 -22.2% 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%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -3 -33.3% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% -1 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -3 -33.3% 0 N/A% 0 N/A%