Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519d9cf28420eRun #519d9d52c2102DiffDiff%
Number of Function Calls154 154 0 0.0%
Incl. Wall Time (microsec)4,221 4,267 46 1.1%
Incl. Wall Time (microsec) per call 27 28 0 1.1%
Excl. Wall Time (microsec)1,073 1,055 -18 -1.7%
Incl. CPU (microsecs)4,339 4,394 55 1.3%
Incl. CPU (microsecs) per call 28 29 0 1.3%
Excl. CPU (microsec)935 952 17 1.8%
Incl. MemUse (bytes)205,152 205,152 0 0.0%
Incl. MemUse (bytes) per call 1,332 1,332 0 0.0%
Excl. MemUse (bytes)-23,584 -23,584 0 0.0%
Incl. PeakMemUse (bytes)40,280 40,280 0 0.0%
Incl. PeakMemUse (bytes) per call 262 262 0 0.0%
Excl. PeakMemUse (bytes)2,128 2,128 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% 46 20.8% 55 2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-18 -39.1% 17 30.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 46 100.0% 55 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 47 102.2% 42 76.4% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 17 37.0% -4 -7.3% 0 N/A% 0 N/A%