Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)2,714 2,716 2 0.1%
Incl. Wall Time (microsec) per call 20 20 0 0.1%
Excl. Wall Time (microsec)661 657 -4 -0.6%
Incl. CPU (microsecs)2,825 2,831 6 0.2%
Incl. CPU (microsecs) per call 21 21 0 0.2%
Excl. CPU (microsec)551 547 -4 -0.7%
Incl. MemUse (bytes)142,232 142,232 0 0.0%
Incl. MemUse (bytes) per call 1,069 1,069 0 0.0%
Excl. MemUse (bytes)-23,960 -23,960 0 0.0%
Incl. PeakMemUse (bytes)44,936 44,880 -56 -0.1%
Incl. PeakMemUse (bytes) per call 338 337 -0 -0.1%
Excl. PeakMemUse (bytes)3,232 3,232 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% 2 0.0% 6 0.1% 0 0.0% -56 -0.9%
Exclusive Metrics Diff for Current Function-4 -200.0% -4 -66.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 2 100.0% 6 100.0% 0 N/A% -56 -100.0%
Child functions
PDO::prepare0 N/A% 14 700.0% -3 -50.0% 0 N/A% -56 -100.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -8 -400.0% 13 216.7% 0 N/A% 0 0.0%