Diff Report
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519c146573182Run #519c116ac5313DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)4,663 4,653 -10 -0.2%
Incl. Wall Time (microsec) per call 35 34 -0 -0.2%
Excl. Wall Time (microsec)1,162 1,172 10 0.9%
Incl. CPU (microsecs)4,795 4,801 6 0.1%
Incl. CPU (microsecs) per call 36 36 0 0.1%
Excl. CPU (microsec)1,033 1,031 -2 -0.2%
Incl. MemUse (bytes)122,024 122,024 0 0.0%
Incl. MemUse (bytes) per call 904 904 0 0.0%
Excl. MemUse (bytes)-22,628 -22,628 0 0.0%
Incl. PeakMemUse (bytes)56,480 56,564 84 0.1%
Incl. PeakMemUse (bytes) per call 418 419 1 0.1%
Excl. PeakMemUse (bytes)668 668 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% -10 -0.0% 6 0.0% 0 0.0% 84 0.0%
Exclusive Metrics Diff for Current Function10 100.0% -2 -33.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -10 -100.0% 6 100.0% 0 N/A% 84 100.0%
Child functions
PDO::prepare0 N/A% -15 -150.0% -1 -16.7% 0 N/A% 84 100.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -5 -50.0% 9 150.0% 0 N/A% 0 0.0%