Diff Report
Run #51af430daedb2: 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 #51af430daedb2Run #51af3d98520b7DiffDiff%
Number of Function Calls83 83 0 0.0%
Incl. Wall Time (microsec)2,294 2,261 -33 -1.4%
Incl. Wall Time (microsec) per call 28 27 -0 -1.4%
Excl. Wall Time (microsec)583 574 -9 -1.5%
Incl. CPU (microsecs)2,365 2,329 -36 -1.5%
Incl. CPU (microsecs) per call 28 28 -0 -1.5%
Excl. CPU (microsec)513 508 -5 -1.0%
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)29,608 29,608 0 0.0%
Incl. PeakMemUse (bytes) per call 357 357 0 0.0%
Excl. PeakMemUse (bytes)1,624 1,624 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% -33 -2.4% -36 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -27.3% -5 -13.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -33 -100.0% -36 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -13 -39.4% -17 -47.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -11 -33.3% -14 -38.9% 0 N/A% 0 N/A%