Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls153 153 0 0.0%
Incl. Wall Time (microsec)4,296 4,268 -28 -0.7%
Incl. Wall Time (microsec) per call 28 28 -0 -0.7%
Excl. Wall Time (microsec)993 984 -9 -0.9%
Incl. CPU (microsecs)4,468 4,427 -41 -0.9%
Incl. CPU (microsecs) per call 29 29 -0 -0.9%
Excl. CPU (microsec)894 850 -44 -4.9%
Incl. MemUse (bytes)100,656 100,656 0 0.0%
Incl. MemUse (bytes) per call 658 658 0 0.0%
Excl. MemUse (bytes)-20,164 -20,160 4 0.0%
Incl. PeakMemUse (bytes)59,016 59,016 0 0.0%
Incl. PeakMemUse (bytes) per call 386 386 0 0.0%
Excl. PeakMemUse (bytes)1,040 1,040 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% -28 -7.8% -41 -21.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -32.1% -44 -107.3% 4 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -28 -100.0% -41 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -14 -50.0% -14 -34.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -5 -17.9% 17 41.5% -4 N/A% 0 N/A%