Diff Report
Run #52d3e812c7cf2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e85377bba: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52d3e812c7cf2Run #52d3e85377bbaDiffDiff%
Number of Function Calls103 101 -2 -1.9%
Incl. Wall Time (microsec)1,705 1,660 -45 -2.6%
Incl. Wall Time (microsec) per call 17 16 -0 -0.7%
Excl. Wall Time (microsec)442 442 0 0.0%
Incl. CPU (microsecs)1,786 1,755 -31 -1.7%
Incl. CPU (microsecs) per call 17 17 0 0.2%
Excl. CPU (microsec)362 384 22 6.1%
Incl. MemUse (bytes)104,864 102,960 -1,904 -1.8%
Incl. MemUse (bytes) per call 1,018 1,019 1 0.1%
Excl. MemUse (bytes)-14,416 -14,112 304 2.1%
Incl. PeakMemUse (bytes)41,664 41,632 -32 -0.1%
Incl. PeakMemUse (bytes) per call 405 412 8 1.9%
Excl. PeakMemUse (bytes)2,432 2,432 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::prepareQuery-2 -33.3% -45 -2.7% -31 -1.9% -1,904 -1.6% -32 -0.0%
Exclusive Metrics Diff for Current Function0 0.0% 22 71.0% 304 16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query-2 -100.0% -45 -100.0% -31 -100.0% -1,904 -100.0% -32 -100.0%
Child functions
PDO::prepare-2 -50.0% -26 -57.8% -24 -77.4% -1,808 -95.0% -120 -375.0%
Drupal\Core\Database\Connection::prefixTables-2 -50.0% -19 -42.2% -29 -93.5% -400 -21.0% 88 275.0%