Diff Report
Run #53920bd97d62d: 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 #53920bd97d62dRun #53920b950c201DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)524 507 -17 -3.2%
Incl. Wall Time (microsec) per call 262 254 -9 -3.2%
Excl. Wall Time (microsec)24 26 2 8.3%
Incl. CPU (microsecs)539 510 -29 -5.4%
Incl. CPU (microsecs) per call 270 255 -15 -5.4%
Excl. CPU (microsec)33 22 -11 -33.3%
Incl. MemUse (bytes)63,300 63,300 0 0.0%
Incl. MemUse (bytes) per call 31,650 31,650 0 0.0%
Excl. MemUse (bytes)1,512 1,512 0 0.0%
Incl. PeakMemUse (bytes)60,328 60,328 0 0.0%
Incl. PeakMemUse (bytes) per call 30,164 30,164 0 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% -17 -3.7% -29 -6.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 11.8% -11 -37.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire0 N/A% -17 -100.0% -29 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -22 -129.4% -21 -72.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% 3 17.6% 3 10.3% 0 N/A% 0 N/A%