Diff Report
Run #531ccba053790: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #531ccba053790Run #531ccb2cb8e3dDiffDiff%
Number of Function Calls161 161 0 0.0%
Incl. Wall Time (microsec)2,653 2,591 -62 -2.3%
Incl. Wall Time (microsec) per call 16 16 -0 -2.3%
Excl. Wall Time (microsec)684 676 -8 -1.2%
Incl. CPU (microsecs)2,790 2,743 -47 -1.7%
Incl. CPU (microsecs) per call 17 17 -0 -1.7%
Excl. CPU (microsec)580 589 9 1.6%
Incl. MemUse (bytes)178,488 178,488 0 0.0%
Incl. MemUse (bytes) per call 1,109 1,109 0 0.0%
Excl. MemUse (bytes)-32,504 -32,504 0 0.0%
Incl. PeakMemUse (bytes)46,680 46,680 0 0.0%
Incl. PeakMemUse (bytes) per call 290 290 0 0.0%
Excl. PeakMemUse (bytes)1,736 1,736 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% -62 -106.9% -47 -79.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -12.9% 9 19.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -62 -100.0% -47 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -60 -96.8% -56 -119.1% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 6 9.7% 0 0.0% 0 N/A% 0 N/A%