Diff Report
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe82fef731: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519fe6587b366Run #519fe82fef731DiffDiff%
Number of Function Calls94 94 0 0.0%
Incl. Wall Time (microsec)1,221 1,172 -49 -4.0%
Incl. Wall Time (microsec) per call 13 12 -1 -4.0%
Excl. Wall Time (microsec)304 313 9 3.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)99,000 99,000 0 0.0%
Incl. MemUse (bytes) per call 1,053 1,053 0 0.0%
Excl. MemUse (bytes)-14,040 -14,040 0 0.0%
Incl. PeakMemUse (bytes)40,616 40,616 0 0.0%
Incl. PeakMemUse (bytes) per call 432 432 0 0.0%
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% -49 -1.2% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function9 18.4% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -49 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -41 -83.7% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -17 -34.7% 0 N/A% 0 N/A% 0 N/A%