Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)2,746 2,795 49 1.8%
Incl. Wall Time (microsec) per call 20 21 0 1.8%
Excl. Wall Time (microsec)666 683 17 2.6%
Incl. CPU (microsecs)2,882 2,899 17 0.6%
Incl. CPU (microsecs) per call 21 21 0 0.6%
Excl. CPU (microsec)589 553 -36 -6.1%
Incl. MemUse (bytes)142,736 142,736 0 0.0%
Incl. MemUse (bytes) per call 1,057 1,057 0 0.0%
Excl. MemUse (bytes)-23,520 -23,520 0 0.0%
Incl. PeakMemUse (bytes)57,368 57,368 0 0.0%
Incl. PeakMemUse (bytes) per call 425 425 0 0.0%
Excl. PeakMemUse (bytes)2,560 2,560 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% 49 2.0% 17 2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function17 34.7% -36 -211.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 49 100.0% 17 100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% 27 55.1% 28 164.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% 5 10.2% 25 147.1% 0 N/A% 0 N/A%