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

Drupal\Core\Database\Connection::mergeRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 220 220 N/A%
Incl. Wall Time (microsec) per call N/A 220 220 N/A%
Excl. Wall Time (microsec) 10 10 N/A%
Incl. CPU (microsecs) 222 222 N/A%
Incl. CPU (microsecs) per call N/A 222 222 N/A%
Excl. CPU (microsec) 9 9 N/A%
Incl. MemUse (bytes) 54,400 54,400 N/A%
Incl. MemUse (bytes) per call N/A 54,400 54,400 N/A%
Excl. MemUse (bytes) 2,448 2,448 N/A%
Incl. PeakMemUse (bytes) 33,992 33,992 N/A%
Incl. PeakMemUse (bytes) per call N/A 33,992 33,992 N/A%
Excl. PeakMemUse (bytes) 1,560 1,560 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::merge1 33.3% 220 0.1% 222 0.2% 54,400 12.2% 33,992 6.0%
Exclusive Metrics Diff for Current Function10 4.5% 9 4.1% 2,448 4.5% 1,560 4.6%
Parent function
db_merge1 100.0% 220 100.0% 222 100.0% 54,400 100.0% 33,992 100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass1 50.0% 170 77.3% 172 77.5% 46,072 84.7% 29,384 86.4%
Drupal\Core\Database\Query\Merge::__construct1 50.0% 40 18.2% 41 18.5% 5,880 10.8% 3,048 9.0%