Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af430daedb2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51af3d98520b7Run #51af430daedb2DiffDiff%
Number of Function Calls83 83 0 0.0%
Incl. Wall Time (microsec)2,261 2,294 33 1.5%
Incl. Wall Time (microsec) per call 27 28 0 1.5%
Excl. Wall Time (microsec)574 583 9 1.6%
Incl. CPU (microsecs)2,329 2,365 36 1.5%
Incl. CPU (microsecs) per call 28 28 0 1.5%
Excl. CPU (microsec)508 513 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 Function9 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%