Diff Report
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de5cbd937a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #541de429e5ab1Run #541de5cbd937aDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)3,878 3,687 -191 -4.9%
Incl. Wall Time (microsec) per call 27 25 -1 -4.9%
Excl. Wall Time (microsec)903 880 -23 -2.5%
Incl. CPU (microsecs)4,031 3,833 -198 -4.9%
Incl. CPU (microsecs) per call 28 26 -1 -4.9%
Excl. CPU (microsec)812 766 -46 -5.7%
Incl. MemUse (bytes)150,864 150,848 -16 -0.0%
Incl. MemUse (bytes) per call 1,033 1,033 -0 -0.0%
Excl. MemUse (bytes)-23,400 -23,400 0 0.0%
Incl. PeakMemUse (bytes)54,496 54,680 184 0.3%
Incl. PeakMemUse (bytes) per call 373 375 1 0.3%
Excl. PeakMemUse (bytes)2,440 2,432 -8 -0.3%

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% -191 -2.1% -198 -2.4% -16 -0.0% 184 0.2%
Exclusive Metrics Diff for Current Function-23 -12.0% -46 -23.2% 0 0.0% -8 -4.3%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -191 -100.0% -198 -100.0% -16 -100.0% 184 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -92 -48.2% -68 -34.3% 0 0.0% 56 30.4%
PDO::prepare0 N/A% -76 -39.8% -84 -42.4% -16 -100.0% 136 73.9%