Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7f35533b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519eb7a1537f7Run #519eb7f35533bDiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)6,674 6,646 -28 -0.4%
Incl. Wall Time (microsec) per call 36 35 -0 -0.4%
Excl. Wall Time (microsec)1,674 1,660 -14 -0.8%
Incl. CPU (microsecs)6,879 6,849 -30 -0.4%
Incl. CPU (microsecs) per call 37 36 -0 -0.4%
Excl. CPU (microsec)1,486 1,480 -6 -0.4%
Incl. MemUse (bytes)155,952 155,952 0 0.0%
Incl. MemUse (bytes) per call 830 830 0 0.0%
Excl. MemUse (bytes)-25,516 -25,516 0 0.0%
Incl. PeakMemUse (bytes)40,540 40,540 0 0.0%
Incl. PeakMemUse (bytes) per call 216 216 0 0.0%
Excl. PeakMemUse (bytes)668 668 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% -28 -1.0% -30 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -50.0% -6 -20.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -28 -100.0% -30 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -10 -35.7% -12 -40.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -4 -14.3% -12 -40.0% 0 N/A% 0 N/A%