Diff Report
Run #52e418f395327: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e418f395327Run #52e417f8e04a5DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)2,716 2,744 28 1.0%
Incl. Wall Time (microsec) per call 16 16 0 1.0%
Excl. Wall Time (microsec)705 722 17 2.4%
Incl. CPU (microsecs)2,861 2,889 28 1.0%
Incl. CPU (microsecs) per call 17 17 0 1.0%
Excl. CPU (microsec)611 594 -17 -2.8%
Incl. MemUse (bytes)176,808 176,808 0 0.0%
Incl. MemUse (bytes) per call 1,040 1,040 0 0.0%
Excl. MemUse (bytes)-28,928 -28,928 0 0.0%
Incl. PeakMemUse (bytes)48,400 48,160 -240 -0.5%
Incl. PeakMemUse (bytes) per call 285 283 -1 -0.5%
Excl. PeakMemUse (bytes)2,616 2,576 -40 -1.5%

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 87.5% 28 15.1% 0 0.0% -240 -0.7%
Exclusive Metrics Diff for Current Function17 60.7% -17 -60.7% 0 N/A% -40 -16.7%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 28 100.0% 28 100.0% 0 N/A% -240 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 17 60.7% 42 150.0% 0 N/A% 0 0.0%
PDO::prepare0 N/A% -6 -21.4% 3 10.7% 0 N/A% -200 -83.3%