Diff Report
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51f5bb078e5a7Run #51f5bbaa8fc1dDiffDiff%
Number of Function Calls148 148 0 0.0%
Incl. Wall Time (microsec)3,008 2,960 -48 -1.6%
Incl. Wall Time (microsec) per call 20 20 -0 -1.6%
Excl. Wall Time (microsec)748 718 -30 -4.0%
Incl. CPU (microsecs)3,130 3,083 -47 -1.5%
Incl. CPU (microsecs) per call 21 21 -0 -1.5%
Excl. CPU (microsec)621 603 -18 -2.9%
Incl. MemUse (bytes)147,536 147,536 0 0.0%
Incl. MemUse (bytes) per call 997 997 0 0.0%
Excl. MemUse (bytes)-21,800 -21,800 0 0.0%
Incl. PeakMemUse (bytes)48,240 48,152 -88 -0.2%
Incl. PeakMemUse (bytes) per call 326 325 -1 -0.2%
Excl. PeakMemUse (bytes)3,032 3,032 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% -48 -1.0% -47 -1.1% 0 0.0% -88 -0.2%
Exclusive Metrics Diff for Current Function-30 -62.5% -18 -38.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -48 -100.0% -47 -100.0% 0 N/A% -88 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -12 -25.0% -24 -51.1% 0 N/A% -88 -100.0%
PDO::prepare0 N/A% -6 -12.5% -5 -10.6% 0 N/A% 0 0.0%