Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls182 182 0 0.0%
Incl. Wall Time (microsec)3,768 3,781 13 0.3%
Incl. Wall Time (microsec) per call 21 21 0 0.3%
Excl. Wall Time (microsec)907 931 24 2.6%
Incl. CPU (microsecs)3,930 3,925 -5 -0.1%
Incl. CPU (microsecs) per call 22 22 -0 -0.1%
Excl. CPU (microsec)778 788 10 1.3%
Incl. MemUse (bytes)188,024 188,024 0 0.0%
Incl. MemUse (bytes) per call 1,033 1,033 0 0.0%
Excl. MemUse (bytes)-31,216 -31,192 24 0.1%
Incl. PeakMemUse (bytes)64,200 61,904 -2,296 -3.6%
Incl. PeakMemUse (bytes) per call 353 340 -13 -3.6%
Excl. PeakMemUse (bytes)2,632 2,816 184 7.0%

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% 13 0.8% -5 -0.3% 0 0.0% -2,296 -1.7%
Exclusive Metrics Diff for Current Function24 184.6% 10 200.0% 24 N/A% 184 8.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 13 100.0% -5 -100.0% 0 N/A% -2,296 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -35 -269.2% -45 -900.0% -24 N/A% -2,400 -104.5%
PDO::prepare0 N/A% 24 184.6% 30 600.0% 0 N/A% -80 -3.5%