Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)518 515 -3 -0.6%
Incl. Wall Time (microsec) per call 518 515 -3 -0.6%
Excl. Wall Time (microsec)21 20 -1 -4.8%
Incl. CPU (microsecs)521 516 -5 -1.0%
Incl. CPU (microsecs) per call 521 516 -5 -1.0%
Excl. CPU (microsec)20 17 -3 -15.0%
Incl. MemUse (bytes)39,252 39,252 0 0.0%
Incl. MemUse (bytes) per call 39,252 39,252 0 0.0%
Excl. MemUse (bytes)2,548 2,548 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -3 -0.0% -5 -0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -33.3% -3 -60.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -3 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Merge::__construct0 N/A% -3 -100.0% -3 -60.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 1 33.3% 1 20.0% 0 N/A% 0 N/A%