Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Datetime\DrupalDateTime::format

Drupal\Core\Datetime\DrupalDateTime::formatRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)936 971 35 3.7%
Incl. Wall Time (microsec) per call 468 486 18 3.7%
Excl. Wall Time (microsec)43 46 3 7.0%
Incl. CPU (microsecs)940 973 33 3.5%
Incl. CPU (microsecs) per call 470 487 17 3.5%
Excl. CPU (microsec)37 36 -1 -2.7%
Incl. MemUse (bytes)14,760 14,760 0 0.0%
Incl. MemUse (bytes) per call 7,380 7,380 0 0.0%
Excl. MemUse (bytes)1,728 1,736 8 0.5%
Incl. PeakMemUse (bytes)20,600 13,560 -7,040 -34.2%
Incl. PeakMemUse (bytes) per call 10,300 6,780 -3,520 -34.2%
Excl. PeakMemUse (bytes)2,240 2,776 536 23.9%

Parent/Child Regression/Improvement report for Drupal\Core\Datetime\DrupalDateTime::format [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
Drupal\Core\Datetime\DrupalDateTime::format0 N/A% 35 0.9% 33 0.8% 0 0.0% -7,040 -30.6%
Exclusive Metrics Diff for Current Function3 8.6% -1 -3.0% 8 N/A% 536 7.6%
Parent function
Drupal\Core\Datetime\Date::format0 N/A% 35 100.0% 33 100.0% 0 N/A% -7,040 -100.0%
Child functions
Drupal\Component\Datetime\DateTimePlus::format0 N/A% 15 42.9% 17 51.5% 0 N/A% -3,024 -43.0%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 N/A% 10 28.6% 10 30.3% 0 N/A% -5,376 -76.4%
preg_replace_callback0 N/A% 8 22.9% 9 27.3% 0 N/A% 904 12.8%
preg_replace0 N/A% -1 -2.9% -1 -3.0% -8 N/A% -80 -1.1%
_format_date_callback0 N/A% 0 0.0% -1 -3.0% 0 N/A% 0 0.0%