Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)2,795 2,746 -49 -1.8%
Incl. Wall Time (microsec) per call 21 20 -0 -1.8%
Excl. Wall Time (microsec)683 666 -17 -2.5%
Incl. CPU (microsecs)2,899 2,882 -17 -0.6%
Incl. CPU (microsecs) per call 21 21 -0 -0.6%
Excl. CPU (microsec)553 589 36 6.5%
Incl. MemUse (bytes)142,736 142,736 0 0.0%
Incl. MemUse (bytes) per call 1,057 1,057 0 0.0%
Excl. MemUse (bytes)-23,520 -23,520 0 0.0%
Incl. PeakMemUse (bytes)57,368 57,368 0 0.0%
Incl. PeakMemUse (bytes) per call 425 425 0 0.0%
Excl. PeakMemUse (bytes)2,560 2,560 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% -49 -2.0% -17 -2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -34.7% 36 211.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -49 -100.0% -17 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -27 -55.1% -28 -164.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -5 -10.2% -25 -147.1% 0 N/A% 0 N/A%