Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)1,968 1,958 -10 -0.5%
Incl. Wall Time (microsec) per call 20 20 -0 -0.5%
Excl. Wall Time (microsec)480 478 -2 -0.4%
Incl. CPU (microsecs)2,054 2,030 -24 -1.2%
Incl. CPU (microsecs) per call 21 21 -0 -1.2%
Excl. CPU (microsec)398 389 -9 -2.3%
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)33,984 34,248 264 0.8%
Incl. PeakMemUse (bytes) per call 347 349 3 0.8%
Excl. PeakMemUse (bytes)2,304 2,376 72 3.1%

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% -10 -0.1% -24 -0.2% 0 0.0% 264 2.4%
Exclusive Metrics Diff for Current Function-2 -20.0% -9 -37.5% 0 N/A% 72 27.3%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -10 -100.0% -24 -100.0% 0 N/A% 264 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -6 -60.0% -1 -4.2% 0 N/A% 0 0.0%
PDO::prepare0 N/A% -2 -20.0% -14 -58.3% 0 N/A% 192 72.7%