Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #539201f8938f4Run #539203c57074dDiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)4,809 4,785 -24 -0.5%
Incl. Wall Time (microsec) per call 28 28 -0 -0.5%
Excl. Wall Time (microsec)1,113 1,119 6 0.5%
Incl. CPU (microsecs)4,982 4,955 -27 -0.5%
Incl. CPU (microsecs) per call 29 29 -0 -0.5%
Excl. CPU (microsec)989 986 -3 -0.3%
Incl. MemUse (bytes)112,492 112,492 0 0.0%
Incl. MemUse (bytes) per call 662 662 0 0.0%
Excl. MemUse (bytes)-23,056 -23,056 0 0.0%
Incl. PeakMemUse (bytes)63,052 63,052 0 0.0%
Incl. PeakMemUse (bytes) per call 371 371 0 0.0%
Excl. PeakMemUse (bytes)976 976 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% -24 -9.7% -27 -5.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 25.0% -3 -11.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -24 -100.0% -27 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -27 -112.5% -13 -48.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -3 -12.5% -11 -40.7% 0 N/A% 0 N/A%