Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls196 196 0 0.0%
Incl. Wall Time (microsec)5,569 5,584 15 0.3%
Incl. Wall Time (microsec) per call 28 28 0 0.3%
Excl. Wall Time (microsec)1,309 1,294 -15 -1.1%
Incl. CPU (microsecs)5,747 5,795 48 0.8%
Incl. CPU (microsecs) per call 29 30 0 0.8%
Excl. CPU (microsec)1,108 1,150 42 3.8%
Incl. MemUse (bytes)127,256 127,196 -60 -0.0%
Incl. MemUse (bytes) per call 649 649 -0 -0.0%
Excl. MemUse (bytes)-25,712 -25,716 -4 -0.0%
Incl. PeakMemUse (bytes)62,632 63,224 592 0.9%
Incl. PeakMemUse (bytes) per call 320 323 3 0.9%
Excl. PeakMemUse (bytes)848 784 -64 -7.5%

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% 15 0.3% 48 1.3% -60 -0.1% 592 0.6%
Exclusive Metrics Diff for Current Function-15 -100.0% 42 87.5% -4 -6.7% -64 -10.8%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 15 100.0% 48 100.0% -60 -100.0% 592 100.0%
Child functions
PDO::prepare0 N/A% 33 220.0% 13 27.1% -60 -100.0% 64 10.8%
Drupal\Core\Database\Connection::prefixTables0 N/A% -3 -20.0% -7 -14.6% 4 6.7% 592 100.0%