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

Drupal\Core\Datetime\DrupalDateTime::formatRun #51ec52a09990aRun #51ec517fc2424DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)971 936 -35 -3.6%
Incl. Wall Time (microsec) per call 486 468 -18 -3.6%
Excl. Wall Time (microsec)46 43 -3 -6.5%
Incl. CPU (microsecs)973 940 -33 -3.4%
Incl. CPU (microsecs) per call 487 470 -17 -3.4%
Excl. CPU (microsec)36 37 1 2.8%
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)1,736 1,728 -8 -0.5%
Incl. PeakMemUse (bytes)13,560 20,600 7,040 51.9%
Incl. PeakMemUse (bytes) per call 6,780 10,300 3,520 51.9%
Excl. PeakMemUse (bytes)2,776 2,240 -536 -19.3%

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 Function-3 -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%