Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: 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 #519d4d6ecb28cDiffDiff%
Number of Function Calls180 180 0 0.0%
Incl. Wall Time (microsec)6,297 6,166 -131 -2.1%
Incl. Wall Time (microsec) per call 35 34 -1 -2.1%
Excl. Wall Time (microsec)1,565 1,561 -4 -0.3%
Incl. CPU (microsecs)6,487 6,359 -128 -2.0%
Incl. CPU (microsecs) per call 36 35 -1 -2.0%
Excl. CPU (microsec)1,383 1,404 21 1.5%
Incl. MemUse (bytes)149,732 149,732 0 0.0%
Incl. MemUse (bytes) per call 832 832 0 0.0%
Excl. MemUse (bytes)-24,524 -24,524 0 0.0%
Incl. PeakMemUse (bytes)39,980 39,980 0 0.0%
Incl. PeakMemUse (bytes) per call 222 222 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% -131 -17.3% -128 -40.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -3.1% 21 16.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -131 -100.0% -128 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -110 -84.0% -125 -97.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -17 -13.0% -24 -18.8% 0 N/A% 0 N/A%