Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)220 -220 -100.0%
Incl. Wall Time (microsec) per call 220 N/A -220 -100.0%
Excl. Wall Time (microsec)10 -10 -100.0%
Incl. CPU (microsecs)222 -222 -100.0%
Incl. CPU (microsecs) per call 222 N/A -222 -100.0%
Excl. CPU (microsec)9 -9 -100.0%
Incl. MemUse (bytes)54,400 -54,400 -100.0%
Incl. MemUse (bytes) per call 54,400 N/A -54,400 -100.0%
Excl. MemUse (bytes)2,448 -2,448 -100.0%
Incl. PeakMemUse (bytes)33,992 -33,992 -100.0%
Incl. PeakMemUse (bytes) per call 33,992 N/A -33,992 -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% -220 -0.1% -222 -0.2% -54,400 -12.2% -33,992 -6.0%
Exclusive Metrics Diff for Current Function-10 -4.5% -9 -4.1% -2,448 -4.5% -1,560 -4.6%
Parent function
db_merge-1 -100.0% -220 -100.0% -222 -100.0% -54,400 -100.0% -33,992 -100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass-1 -50.0% -170 -77.3% -172 -77.5% -46,072 -84.7% -29,384 -86.4%
Drupal\Core\Database\Query\Merge::__construct-1 -50.0% -40 -18.2% -41 -18.5% -5,880 -10.8% -3,048 -9.0%