Diff Report
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52d4b60c154f6Run #52d4b590e6e18DiffDiff%
Number of Function Calls106 108 2 1.9%
Incl. Wall Time (microsec)1,704 1,759 55 3.2%
Incl. Wall Time (microsec) per call 16 16 0 1.3%
Excl. Wall Time (microsec)435 451 16 3.7%
Incl. CPU (microsecs)1,782 1,841 59 3.3%
Incl. CPU (microsecs) per call 17 17 0 1.4%
Excl. CPU (microsec)350 380 30 8.6%
Incl. MemUse (bytes)108,328 110,232 1,904 1.8%
Incl. MemUse (bytes) per call 1,022 1,021 -1 -0.1%
Excl. MemUse (bytes)-15,200 -15,504 -304 -2.0%
Incl. PeakMemUse (bytes)43,608 44,016 408 0.9%
Incl. PeakMemUse (bytes) per call 411 408 -4 -0.9%
Excl. PeakMemUse (bytes)2,464 2,464 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::prepareQuery2 33.3% 55 2.0% 59 2.5% 1,904 1.6% 408 0.3%
Exclusive Metrics Diff for Current Function16 29.1% 30 50.8% -304 -16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query2 100.0% 55 100.0% 59 100.0% 1,904 100.0% 408 100.0%
Child functions
PDO::prepare2 50.0% 33 60.0% 25 42.4% 1,808 95.0% 328 80.4%
Drupal\Core\Database\Connection::prefixTables2 50.0% 6 10.9% 4 6.8% 400 21.0% 80 19.6%