Diff Report
Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

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

Drupal\Core\Database\Connection::prepareQueryRun #52c96bbf45f87Run #52c96b69a1c07DiffDiff%
Number of Function Calls74 74 0 0.0%
Incl. Wall Time (microsec)1,167 1,217 50 4.3%
Incl. Wall Time (microsec) per call 16 16 1 4.3%
Excl. Wall Time (microsec)310 310 0 0.0%
Incl. CPU (microsecs)1,233 1,284 51 4.1%
Incl. CPU (microsecs) per call 17 17 1 4.1%
Excl. CPU (microsec)255 267 12 4.7%
Incl. MemUse (bytes)75,712 75,712 0 0.0%
Incl. MemUse (bytes) per call 1,023 1,023 0 0.0%
Excl. MemUse (bytes)-9,192 -9,192 0 0.0%
Incl. PeakMemUse (bytes)29,096 29,136 40 0.1%
Incl. PeakMemUse (bytes) per call 393 394 1 0.1%
Excl. PeakMemUse (bytes)2,096 2,240 144 6.9%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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::prepareQuery0 N/A% 50 8.9% 51 9.2% 0 0.0% 40 0.1%
Exclusive Metrics Diff for Current Function0 0.0% 12 23.5% 0 N/A% 144 360.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 50 100.0% 51 100.0% 0 N/A% 40 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 33 66.0% 28 54.9% 0 N/A% 216 540.0%
PDO::prepare0 N/A% 17 34.0% 11 21.6% 0 N/A% -320 -800.0%