Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)230 -230 -100.0%
Incl. Wall Time (microsec) per call 230 N/A -230 -100.0%
Excl. Wall Time (microsec)13 -13 -100.0%
Incl. CPU (microsecs)234 -234 -100.0%
Incl. CPU (microsecs) per call 234 N/A -234 -100.0%
Excl. CPU (microsec)15 -15 -100.0%
Incl. MemUse (bytes)54,392 -54,392 -100.0%
Incl. MemUse (bytes) per call 54,392 N/A -54,392 -100.0%
Excl. MemUse (bytes)2,448 -2,448 -100.0%
Incl. PeakMemUse (bytes)33,328 -33,328 -100.0%
Incl. PeakMemUse (bytes) per call 33,328 N/A -33,328 -100.0%
Excl. PeakMemUse (bytes)1,560 -1,560 -100.0%

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::merge-1 -33.3% -230 -0.1% -234 -0.2% -54,392 -22.4% -33,328 -9.4%
Exclusive Metrics Diff for Current Function-13 -5.7% -15 -6.4% -2,448 -4.5% -1,560 -4.7%
Parent function
db_merge-1 -100.0% -230 -100.0% -234 -100.0% -54,392 -100.0% -33,328 -100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass-1 -50.0% -180 -78.3% -181 -77.4% -46,064 -84.7% -28,720 -86.2%
Drupal\Core\Database\Query\Merge::__construct-1 -50.0% -37 -16.1% -38 -16.2% -5,880 -10.8% -3,048 -9.1%