Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)6,190 6,153 -37 -0.6%
Incl. Wall Time (microsec) per call 21 21 -0 -0.6%
Excl. Wall Time (microsec)1,500 1,499 -1 -0.1%
Incl. CPU (microsecs)6,474 6,409 -65 -1.0%
Incl. CPU (microsecs) per call 22 21 -0 -1.0%
Excl. CPU (microsec)1,313 1,280 -33 -2.5%
Incl. MemUse (bytes)285,552 285,552 0 0.0%
Incl. MemUse (bytes) per call 952 952 0 0.0%
Excl. MemUse (bytes)-42,104 -42,104 0 0.0%
Incl. PeakMemUse (bytes)53,040 53,040 0 0.0%
Incl. PeakMemUse (bytes) per call 177 177 0 0.0%
Excl. PeakMemUse (bytes)2,704 2,704 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% -37 -1.4% -65 -5.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.7% -33 -50.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -37 -100.0% -65 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -18 -48.6% -29 -44.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -18 -48.6% -3 -4.6% 0 N/A% 0 N/A%