Diff Report
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #53920c043e98bRun #53920b950c201DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)509 507 -2 -0.4%
Incl. Wall Time (microsec) per call 255 254 -1 -0.4%
Excl. Wall Time (microsec)27 26 -1 -3.7%
Incl. CPU (microsecs)513 510 -3 -0.6%
Incl. CPU (microsecs) per call 257 255 -2 -0.6%
Excl. CPU (microsec)28 22 -6 -21.4%
Incl. MemUse (bytes)63,296 63,300 4 0.0%
Incl. MemUse (bytes) per call 31,648 31,650 2 0.0%
Excl. MemUse (bytes)1,512 1,512 0 0.0%
Incl. PeakMemUse (bytes)60,324 60,328 4 0.0%
Incl. PeakMemUse (bytes) per call 30,162 30,164 2 0.0%
Excl. PeakMemUse (bytes)1,284 1,284 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::merge [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\Database\Connection::merge0 N/A% -2 -0.6% -3 -1.6% 4 0.0% 4 0.0%
Exclusive Metrics Diff for Current Function-1 -50.0% -6 -200.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire0 N/A% -2 -100.0% -3 -100.0% 4 100.0% 4 100.0%
Child functions
Drupal\Core\Database\Query\Merge::__construct0 N/A% -5 -250.0% -2 -66.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 4 200.0% 5 166.7% 4 100.0% 4 100.0%