Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls3 4 1 33.3%
Incl. Wall Time (microsec)893 1,003 110 12.3%
Incl. Wall Time (microsec) per call 298 251 -47 -15.8%
Excl. Wall Time (microsec)31 42 11 35.5%
Incl. CPU (microsecs)896 1,007 111 12.4%
Incl. CPU (microsecs) per call 299 252 -47 -15.7%
Excl. CPU (microsec)26 34 8 30.8%
Incl. MemUse (bytes)188,248 191,976 3,728 2.0%
Incl. MemUse (bytes) per call 62,749 47,994 -14,755 -23.5%
Excl. MemUse (bytes)3,144 4,232 1,088 34.6%
Incl. PeakMemUse (bytes)184,032 186,984 2,952 1.6%
Incl. PeakMemUse (bytes) per call 61,344 46,746 -14,598 -23.8%
Excl. PeakMemUse (bytes)2,800 3,920 1,120 40.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::select [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::select1 33.3% 110 0.0% 111 0.1% 3,728 0.8% 2,952 0.5%
Exclusive Metrics Diff for Current Function11 10.0% 8 7.2% 1,088 29.2% 1,120 37.9%
Parent functions
db_select0 0.0% 62 56.4% 62 55.9% 8 0.2% 688 23.3%
Drupal\Core\Database\Query\Merge::execute1 100.0% 48 43.6% 49 44.1% 3,720 99.8% 2,264 76.7%
Child functions
Drupal\Core\Database\Connection::getDriverClass1 50.0% 97 88.2% 102 91.9% 16 0.4% -256 -8.7%
Drupal\Core\Database\Query\Select::__construct1 50.0% 2 1.8% 1 0.9% 2,624 70.4% 2,088 70.7%