Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls109 109 0 0.0%
Incl. Wall Time (microsec)1,859 1,859 0 0.0%
Incl. Wall Time (microsec) per call 17 17 0 0.0%
Excl. Wall Time (microsec)498 493 -5 -1.0%
Incl. CPU (microsecs)1,958 1,957 -1 -0.1%
Incl. CPU (microsecs) per call 18 18 -0 -0.1%
Excl. CPU (microsec)427 413 -14 -3.3%
Incl. MemUse (bytes)109,176 109,176 0 0.0%
Incl. MemUse (bytes) per call 1,002 1,002 0 0.0%
Excl. MemUse (bytes)-14,760 -14,760 0 0.0%
Incl. PeakMemUse (bytes)41,424 41,328 -96 -0.2%
Incl. PeakMemUse (bytes) per call 380 379 -1 -0.2%
Excl. PeakMemUse (bytes)2,480 2,512 32 1.3%

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% 0 0.0% -1 -0.5% 0 0.0% -96 -0.3%
Exclusive Metrics Diff for Current Function-5 N/A% -14 -1400.0% 0 N/A% 32 33.3%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 0 N/A% -1 -100.0% 0 N/A% -96 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 27 N/A% 33 3300.0% 0 N/A% 8 8.3%
PDO::prepare0 N/A% -22 N/A% -20 -2000.0% 0 N/A% -136 -141.7%