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

Drupal\Core\Database\Connection::prepareQueryRun #519d4dc9980f7Run #519d4cd4e396dDiffDiff%
Number of Function Calls180 180 0 0.0%
Incl. Wall Time (microsec)6,201 6,297 96 1.5%
Incl. Wall Time (microsec) per call 34 35 1 1.5%
Excl. Wall Time (microsec)1,577 1,565 -12 -0.8%
Incl. CPU (microsecs)6,391 6,487 96 1.5%
Incl. CPU (microsecs) per call 36 36 1 1.5%
Excl. CPU (microsec)1,411 1,383 -28 -2.0%
Incl. MemUse (bytes)149,716 149,732 16 0.0%
Incl. MemUse (bytes) per call 832 832 0 0.0%
Excl. MemUse (bytes)-24,512 -24,524 -12 -0.0%
Incl. PeakMemUse (bytes)39,896 39,980 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 Function-12 -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%