Diff Report
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc9a1407b3: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519fc956834f6Run #519fc9a1407b3DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)2,418 2,397 -21 -0.9%
Incl. Wall Time (microsec) per call 19 19 -0 -0.9%
Excl. Wall Time (microsec)564 566 2 0.4%
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)130,072 130,072 0 0.0%
Incl. MemUse (bytes) per call 1,008 1,008 0 0.0%
Excl. MemUse (bytes)-19,184 -19,184 0 0.0%
Incl. PeakMemUse (bytes)44,776 44,792 16 0.0%
Incl. PeakMemUse (bytes) per call 347 347 0 0.0%
Excl. PeakMemUse (bytes)3,008 2,968 -40 -1.3%

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% -21 -5.1% 0 0.0% 0 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function2 9.5% 0 N/A% 0 N/A% -40 -250.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -21 -100.0% 0 N/A% 0 N/A% 16 100.0%
Child functions
PDO::prepare0 N/A% -13 -61.9% 0 N/A% 0 N/A% 56 350.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -10 -47.6% 0 N/A% 0 N/A% 0 0.0%