Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls83 83 0 0.0%
Incl. Wall Time (microsec)2,270 2,261 -9 -0.4%
Incl. Wall Time (microsec) per call 27 27 -0 -0.4%
Excl. Wall Time (microsec)576 574 -2 -0.3%
Incl. CPU (microsecs)2,332 2,329 -3 -0.1%
Incl. CPU (microsecs) per call 28 28 -0 -0.1%
Excl. CPU (microsec)496 508 12 2.4%
Incl. MemUse (bytes)114,272 114,272 0 0.0%
Incl. MemUse (bytes) per call 1,377 1,377 0 0.0%
Excl. MemUse (bytes)-12,488 -12,488 0 0.0%
Incl. PeakMemUse (bytes)29,536 29,608 72 0.2%
Incl. PeakMemUse (bytes) per call 356 357 1 0.2%
Excl. PeakMemUse (bytes)1,552 1,624 72 4.6%

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% -9 -1.1% -3 -0.3% 0 0.0% 72 0.1%
Exclusive Metrics Diff for Current Function-2 -22.2% 12 400.0% 0 N/A% 72 100.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -9 -100.0% -3 -100.0% 0 N/A% 72 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -6 -66.7% -17 -566.7% 0 N/A% 0 0.0%
PDO::prepare0 N/A% -1 -11.1% 2 66.7% 0 N/A% 0 0.0%