Diff Report
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52f2e62091f2cRun #52f2e60305388DiffDiff%
Number of Function Calls158 158 0 0.0%
Incl. Wall Time (microsec)2,990 2,967 -23 -0.8%
Incl. Wall Time (microsec) per call 19 19 -0 -0.8%
Excl. Wall Time (microsec)762 771 9 1.2%
Incl. CPU (microsecs)3,123 3,101 -22 -0.7%
Incl. CPU (microsecs) per call 20 20 -0 -0.7%
Excl. CPU (microsec)644 661 17 2.6%
Incl. MemUse (bytes)158,616 158,632 16 0.0%
Incl. MemUse (bytes) per call 1,004 1,004 0 0.0%
Excl. MemUse (bytes)-23,560 -23,560 0 0.0%
Incl. PeakMemUse (bytes)48,328 48,192 -136 -0.3%
Incl. PeakMemUse (bytes) per call 306 305 -1 -0.3%
Excl. PeakMemUse (bytes)2,936 2,936 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% -23 -1.6% -22 -0.8% 16 7.7% -136 -18.9%
Exclusive Metrics Diff for Current Function9 39.1% 17 77.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -23 -100.0% -22 -100.0% 16 100.0% -136 -100.0%
Child functions
PDO::prepare0 N/A% -21 -91.3% -21 -95.5% 16 100.0% -136 -100.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -11 -47.8% -18 -81.8% 0 0.0% 0 0.0%