Diff Report
Run #530ad1a439784: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ad2358a7c5: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #530ad1a439784Run #530ad2358a7c5DiffDiff%
Number of Function Calls174 174 0 0.0%
Incl. Wall Time (microsec)3,480 3,618 138 4.0%
Incl. Wall Time (microsec) per call 20 21 1 4.0%
Excl. Wall Time (microsec)863 880 17 2.0%
Incl. CPU (microsecs)3,635 3,746 111 3.1%
Incl. CPU (microsecs) per call 21 22 1 3.1%
Excl. CPU (microsec)745 726 -19 -2.6%
Incl. MemUse (bytes)173,672 173,672 0 0.0%
Incl. MemUse (bytes) per call 998 998 0 0.0%
Excl. MemUse (bytes)-25,976 -25,968 8 0.0%
Incl. PeakMemUse (bytes)53,064 52,904 -160 -0.3%
Incl. PeakMemUse (bytes) per call 305 304 -1 -0.3%
Excl. PeakMemUse (bytes)2,224 2,224 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% 138 19.1% 111 45.9% 0 0.0% -160 -0.4%
Exclusive Metrics Diff for Current Function17 12.3% -19 -17.1% 8 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 138 100.0% 111 100.0% 0 N/A% -160 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 72 52.2% 89 80.2% -8 N/A% -160 -100.0%
PDO::prepare0 N/A% 49 35.5% 41 36.9% 0 N/A% 0 0.0%