Diff Report
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #518081a41c05eRun #518080a5ca60dDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)998 1,069 71 7.1%
Incl. Wall Time (microsec) per call 250 267 18 7.1%
Excl. Wall Time (microsec)44 44 0 0.0%
Incl. CPU (microsecs)1,001 1,070 69 6.9%
Incl. CPU (microsecs) per call 250 268 17 6.9%
Excl. CPU (microsec)32 33 1 3.1%
Incl. MemUse (bytes)189,192 189,200 8 0.0%
Incl. MemUse (bytes) per call 47,298 47,300 2 0.0%
Excl. MemUse (bytes)3,408 3,408 0 0.0%
Incl. PeakMemUse (bytes)185,456 186,328 872 0.5%
Incl. PeakMemUse (bytes) per call 46,364 46,582 218 0.5%
Excl. PeakMemUse (bytes)3,016 3,232 216 7.2%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::select [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::select0 N/A% 71 5.8% 69 5.3% 8 0.2% 872 20.1%
Exclusive Metrics Diff for Current Function0 0.0% 1 1.4% 0 0.0% 216 24.8%
Parent function
db_select0 N/A% 71 100.0% 69 100.0% 8 100.0% 872 100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 64 90.1% 63 91.3% 16 200.0% 192 22.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% 7 9.9% 5 7.2% -8 -100.0% 464 53.2%