Diff Report
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0ad3d3949: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519c0a514701fRun #519c0ad3d3949DiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)3,887 3,962 75 1.9%
Incl. Wall Time (microsec) per call 33 34 1 1.9%
Excl. Wall Time (microsec)974 991 17 1.7%
Incl. CPU (microsecs)4,004 4,079 75 1.9%
Incl. CPU (microsecs) per call 34 35 1 1.9%
Excl. CPU (microsec)849 862 13 1.5%
Incl. MemUse (bytes)99,836 99,836 0 0.0%
Incl. MemUse (bytes) per call 853 853 0 0.0%
Excl. MemUse (bytes)-16,332 -16,332 0 0.0%
Incl. PeakMemUse (bytes)34,368 34,284 -84 -0.2%
Incl. PeakMemUse (bytes) per call 294 293 -1 -0.2%
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% 75 4.1% 75 2.1% 0 0.0% -84 -0.0%
Exclusive Metrics Diff for Current Function17 22.7% 13 17.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 75 100.0% 75 100.0% 0 N/A% -84 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 34 45.3% 39 52.0% 0 N/A% 0 0.0%
PDO::prepare0 N/A% 24 32.0% 23 30.7% 0 N/A% -84 -100.0%