Diff Report
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52c96b69a1c07Run #52c96bbf45f87DiffDiff%
Number of Function Calls74 74 0 0.0%
Incl. Wall Time (microsec)1,217 1,167 -50 -4.1%
Incl. Wall Time (microsec) per call 16 16 -1 -4.1%
Excl. Wall Time (microsec)310 310 0 0.0%
Incl. CPU (microsecs)1,284 1,233 -51 -4.0%
Incl. CPU (microsecs) per call 17 17 -1 -4.0%
Excl. CPU (microsec)267 255 -12 -4.5%
Incl. MemUse (bytes)75,712 75,712 0 0.0%
Incl. MemUse (bytes) per call 1,023 1,023 0 0.0%
Excl. MemUse (bytes)-9,192 -9,192 0 0.0%
Incl. PeakMemUse (bytes)29,136 29,096 -40 -0.1%
Incl. PeakMemUse (bytes) per call 394 393 -1 -0.1%
Excl. PeakMemUse (bytes)2,240 2,096 -144 -6.4%

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% -50 -8.9% -51 -9.2% 0 0.0% -40 -0.1%
Exclusive Metrics Diff for Current Function0 0.0% -12 -23.5% 0 N/A% -144 -360.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -50 -100.0% -51 -100.0% 0 N/A% -40 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -33 -66.0% -28 -54.9% 0 N/A% -216 -540.0%
PDO::prepare0 N/A% -17 -34.0% -11 -21.6% 0 N/A% 320 800.0%