Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)343 337 -6 -1.7%
Incl. Wall Time (microsec) per call 114 112 -2 -1.7%
Excl. Wall Time (microsec)43 40 -3 -7.0%
Incl. CPU (microsecs)345 342 -3 -0.9%
Incl. CPU (microsecs) per call 115 114 -1 -0.9%
Excl. CPU (microsec)36 35 -1 -2.8%
Incl. MemUse (bytes)35,228 35,228 0 0.0%
Incl. MemUse (bytes) per call 11,743 11,743 0 0.0%
Excl. MemUse (bytes)1,608 1,608 0 0.0%
Incl. PeakMemUse (bytes)23,928 23,928 0 0.0%
Incl. PeakMemUse (bytes) per call 7,976 7,976 0 0.0%
Excl. PeakMemUse (bytes)1,168 1,168 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% -6 -0.4% -3 -0.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -50.0% -1 -33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -6 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -4 -66.7% -3 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% 1 16.7% 1 33.3% 0 N/A% 0 N/A%