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

Drupal\Core\Database\Connection::mergeRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)241 207 -34 -14.1%
Incl. Wall Time (microsec) per call 241 207 -34 -14.1%
Excl. Wall Time (microsec)50 12 -38 -76.0%
Incl. CPU (microsecs)243 209 -34 -14.0%
Incl. CPU (microsecs) per call 243 209 -34 -14.0%
Excl. CPU (microsec)46 10 -36 -78.3%
Incl. MemUse (bytes)56,288 56,280 -8 -0.0%
Incl. MemUse (bytes) per call 56,288 56,280 -8 -0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)34,808 34,856 48 0.1%
Incl. PeakMemUse (bytes) per call 34,808 34,856 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 Function-38 -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%