Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cbc19a0d8: 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 #52f5cbc19a0d8DiffDiff%
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)493 498 5 1.0%
Incl. CPU (microsecs)1,957 1,958 1 0.1%
Incl. CPU (microsecs) per call 18 18 0 0.1%
Excl. CPU (microsec)413 427 14 3.4%
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 41,424 96 0.2%
Incl. PeakMemUse (bytes) per call 379 380 1 0.2%
Excl. PeakMemUse (bytes)2,512 2,480 -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 Function5 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%