Diff Report
Run #531ccbd4518b6: 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 #531ccbd4518b6Run #531ccb2cb8e3dDiffDiff%
Number of Function Calls161 161 0 0.0%
Incl. Wall Time (microsec)2,583 2,591 8 0.3%
Incl. Wall Time (microsec) per call 16 16 0 0.3%
Excl. Wall Time (microsec)681 676 -5 -0.7%
Incl. CPU (microsecs)2,723 2,743 20 0.7%
Incl. CPU (microsecs) per call 17 17 0 0.7%
Excl. CPU (microsec)562 589 27 4.8%
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)45,704 46,680 976 2.1%
Incl. PeakMemUse (bytes) per call 284 290 6 2.1%
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% 8 8.2% 20 7.7% 0 0.0% 976 2.5%
Exclusive Metrics Diff for Current Function-5 -62.5% 27 135.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 8 100.0% 20 100.0% 0 N/A% 976 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 10 125.0% 2 10.0% 0 N/A% 936 95.9%
PDO::prepare0 N/A% 3 37.5% -9 -45.0% 0 N/A% 40 4.1%