Diff Report
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517c1836bbd84Run #517c1770a3264DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)1,979 1,960 -19 -1.0%
Incl. Wall Time (microsec) per call 20 20 -0 -1.0%
Excl. Wall Time (microsec)495 499 4 0.8%
Incl. CPU (microsecs)2,054 2,043 -11 -0.5%
Incl. CPU (microsecs) per call 21 21 -0 -0.5%
Excl. CPU (microsec)427 408 -19 -4.4%
Incl. MemUse (bytes)98,696 98,696 0 0.0%
Incl. MemUse (bytes) per call 1,007 1,007 0 0.0%
Excl. MemUse (bytes)-13,384 -13,384 0 0.0%
Incl. PeakMemUse (bytes)33,872 33,680 -192 -0.6%
Incl. PeakMemUse (bytes) per call 346 344 -2 -0.6%
Excl. PeakMemUse (bytes)2,344 2,344 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% -19 -1.2% -11 -0.7% 0 0.0% -192 -3.2%
Exclusive Metrics Diff for Current Function4 21.1% -19 -172.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -19 -100.0% -11 -100.0% 0 N/A% -192 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -15 -78.9% 4 36.4% 0 N/A% 0 0.0%
PDO::prepare0 N/A% -8 -42.1% 4 36.4% 0 N/A% -192 -100.0%