Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb9d4924f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52f5cb0964fa0Run #52f5cb9d4924fDiffDiff%
Number of Function Calls109 109 0 0.0%
Incl. Wall Time (microsec)1,859 1,839 -20 -1.1%
Incl. Wall Time (microsec) per call 17 17 -0 -1.1%
Excl. Wall Time (microsec)493 500 7 1.4%
Incl. CPU (microsecs)1,957 1,932 -25 -1.3%
Incl. CPU (microsecs) per call 18 18 -0 -1.3%
Excl. CPU (microsec)413 409 -4 -1.0%
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)41,328 41,328 0 0.0%
Incl. PeakMemUse (bytes) per call 379 379 0 0.0%
Excl. PeakMemUse (bytes)2,512 2,512 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% -20 -3.8% -25 -5.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 35.0% -4 -16.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -20 -100.0% -25 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -15 -75.0% -19 -76.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -12 -60.0% -2 -8.0% 0 N/A% 0 N/A%