Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)207 241 34 16.4%
Incl. Wall Time (microsec) per call 207 241 34 16.4%
Excl. Wall Time (microsec)12 50 38 316.7%
Incl. CPU (microsecs)209 243 34 16.3%
Incl. CPU (microsecs) per call 209 243 34 16.3%
Excl. CPU (microsec)10 46 36 360.0%
Incl. MemUse (bytes)56,280 56,288 8 0.0%
Incl. MemUse (bytes) per call 56,280 56,288 8 0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)34,856 34,808 -48 -0.1%
Incl. PeakMemUse (bytes) per call 34,856 34,808 -48 -0.1%
Excl. PeakMemUse (bytes)1,504 1,504 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% 34 2.2% 34 1.9% 8 0.0% -48 -0.0%
Exclusive Metrics Diff for Current Function38 111.8% 36 105.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 34 100.0% 34 100.0% 8 100.0% -48 -100.0%
Child functions
Drupal\Core\Database\Query\Merge::__construct0 N/A% -3 -8.8% -4 -11.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -1 -2.9% 2 5.9% 8 100.0% -48 -100.0%