Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls137 139 2 1.5%
Incl. Wall Time (microsec)2,448 2,477 29 1.2%
Incl. Wall Time (microsec) per call 18 18 -0 -0.3%
Excl. Wall Time (microsec)661 652 -9 -1.4%
Incl. CPU (microsecs)2,569 2,617 48 1.9%
Incl. CPU (microsecs) per call 19 19 0 0.4%
Excl. CPU (microsec)547 571 24 4.4%
Incl. MemUse (bytes)136,232 138,168 1,936 1.4%
Incl. MemUse (bytes) per call 994 994 -0 -0.0%
Excl. MemUse (bytes)-19,048 -19,368 -320 -1.7%
Incl. PeakMemUse (bytes)43,160 42,496 -664 -1.5%
Incl. PeakMemUse (bytes) per call 315 306 -9 -3.0%
Excl. PeakMemUse (bytes)2,480 2,368 -112 -4.5%

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::prepareQuery2 33.3% 29 0.7% 48 1.3% 1,936 1.8% -664 -0.6%
Exclusive Metrics Diff for Current Function-9 -31.0% 24 50.0% -320 -16.5% -112 -16.9%
Parent function
Drupal\Core\Database\Connection::query2 100.0% 29 100.0% 48 100.0% 1,936 100.0% -664 -100.0%
Child functions
PDO::prepare2 50.0% 24 82.8% 16 33.3% 1,840 95.0% -24 -3.6%
Drupal\Core\Database\Connection::prefixTables2 50.0% 14 48.3% 8 16.7% 416 21.5% -528 -79.5%