Diff Report
Run #51774d289642f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774c26bf054: 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 #51774d289642fRun #51774c26bf054DiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)2,812 2,828 16 0.6%
Incl. Wall Time (microsec) per call 20 20 0 0.6%
Excl. Wall Time (microsec)708 708 0 0.0%
Incl. CPU (microsecs)2,937 2,950 13 0.4%
Incl. CPU (microsecs) per call 21 21 0 0.4%
Excl. CPU (microsec)589 583 -6 -1.0%
Incl. MemUse (bytes)147,472 147,488 16 0.0%
Incl. MemUse (bytes) per call 1,061 1,061 0 0.0%
Excl. MemUse (bytes)-24,640 -24,664 -24 -0.1%
Incl. PeakMemUse (bytes)46,504 46,896 392 0.8%
Incl. PeakMemUse (bytes) per call 335 337 3 0.8%
Excl. PeakMemUse (bytes)2,848 2,848 0 0.0%

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% 16 0.0% 13 0.0% 16 0.1% 392 2.2%
Exclusive Metrics Diff for Current Function0 0.0% -6 -46.2% -24 -150.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 16 100.0% 13 100.0% 16 100.0% 392 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 15 93.8% 16 123.1% 24 150.0% -376 -95.9%
PDO::prepare0 N/A% 1 6.2% 3 23.1% 16 100.0% 768 195.9%