Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #517d51ae434deRun #517d52b5a5611DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)996 1,257 261 26.2%
Incl. Wall Time (microsec) per call 332 419 87 26.2%
Excl. Wall Time (microsec)34 31 -3 -8.8%
Incl. CPU (microsecs)998 1,261 263 26.4%
Incl. CPU (microsecs) per call 333 420 88 26.4%
Excl. CPU (microsec)31 27 -4 -12.9%
Incl. MemUse (bytes)188,240 188,248 8 0.0%
Incl. MemUse (bytes) per call 62,747 62,749 3 0.0%
Excl. MemUse (bytes)3,144 3,144 0 0.0%
Incl. PeakMemUse (bytes)185,512 184,480 -1,032 -0.6%
Incl. PeakMemUse (bytes) per call 61,837 61,493 -344 -0.6%
Excl. PeakMemUse (bytes)3,016 2,800 -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% 261 10.8% 263 18.8% 8 0.1% -1,032 -10.1%
Exclusive Metrics Diff for Current Function-3 -1.1% -4 -1.5% 0 0.0% -216 -20.9%
Parent function
db_select0 N/A% 261 100.0% 263 100.0% 8 100.0% -1,032 -100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 190 72.8% 191 72.6% 0 0.0% -176 -17.1%
Drupal\Core\Database\Query\Select::__construct0 N/A% 74 28.4% 76 28.9% 8 100.0% -640 -62.0%