Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls180 180 0 0.0%
Incl. Wall Time (microsec)6,297 6,201 -96 -1.5%
Incl. Wall Time (microsec) per call 35 34 -1 -1.5%
Excl. Wall Time (microsec)1,565 1,577 12 0.8%
Incl. CPU (microsecs)6,487 6,391 -96 -1.5%
Incl. CPU (microsecs) per call 36 36 -1 -1.5%
Excl. CPU (microsec)1,383 1,411 28 2.0%
Incl. MemUse (bytes)149,732 149,716 -16 -0.0%
Incl. MemUse (bytes) per call 832 832 -0 -0.0%
Excl. MemUse (bytes)-24,524 -24,512 12 0.0%
Incl. PeakMemUse (bytes)39,980 39,896 -84 -0.2%
Incl. PeakMemUse (bytes) per call 222 222 -0 -0.2%
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% -96 -0.6% -96 -0.7% -16 -2.4% -84 -13.0%
Exclusive Metrics Diff for Current Function12 12.5% 28 29.2% 12 75.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -96 -100.0% -96 -100.0% -16 -100.0% -84 -100.0%
Child functions
PDO::prepare0 N/A% -90 -93.8% -114 -118.8% -16 -100.0% -84 -100.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -18 -18.8% -10 -10.4% -12 -75.0% 0 0.0%