Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #531ccb2cb8e3dRun #531ccbd4518b6DiffDiff%
Number of Function Calls161 161 0 0.0%
Incl. Wall Time (microsec)2,591 2,583 -8 -0.3%
Incl. Wall Time (microsec) per call 16 16 -0 -0.3%
Excl. Wall Time (microsec)676 681 5 0.7%
Incl. CPU (microsecs)2,743 2,723 -20 -0.7%
Incl. CPU (microsecs) per call 17 17 -0 -0.7%
Excl. CPU (microsec)589 562 -27 -4.6%
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 45,704 -976 -2.1%
Incl. PeakMemUse (bytes) per call 290 284 -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 Function5 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%