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

Drupal\Core\Database\Connection::prepareQueryRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls154 154 0 0.0%
Incl. Wall Time (microsec)4,267 4,221 -46 -1.1%
Incl. Wall Time (microsec) per call 28 27 -0 -1.1%
Excl. Wall Time (microsec)1,055 1,073 18 1.7%
Incl. CPU (microsecs)4,394 4,339 -55 -1.3%
Incl. CPU (microsecs) per call 29 28 -0 -1.3%
Excl. CPU (microsec)952 935 -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 Function18 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%