Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb5243677d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519eb486908e7Run #519eb5243677dDiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)6,436 6,356 -80 -1.2%
Incl. Wall Time (microsec) per call 34 34 -0 -1.2%
Excl. Wall Time (microsec)1,617 1,589 -28 -1.7%
Incl. CPU (microsecs)6,638 6,549 -89 -1.3%
Incl. CPU (microsecs) per call 35 35 -0 -1.3%
Excl. CPU (microsec)1,425 1,428 3 0.2%
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% -80 -4.1% -89 -8.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-28 -35.0% 3 3.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -80 -100.0% -89 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -32 -40.0% -43 -48.3% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -20 -25.0% -49 -55.1% 0 N/A% 0 N/A%