Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #5198f0bb880efRun #5198f1db1bc51DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)997 979 -18 -1.8%
Incl. Wall Time (microsec) per call 100 98 -2 -1.8%
Excl. Wall Time (microsec)120 85 -35 -29.2%
Incl. CPU (microsecs)1,008 996 -12 -1.2%
Incl. CPU (microsecs) per call 101 100 -1 -1.2%
Excl. CPU (microsec)106 81 -25 -23.6%
Incl. MemUse (bytes)208,592 208,592 0 0.0%
Incl. MemUse (bytes) per call 20,859 20,859 0 0.0%
Excl. MemUse (bytes)6,632 6,632 0 0.0%
Incl. PeakMemUse (bytes)138,816 138,832 16 0.0%
Incl. PeakMemUse (bytes) per call 13,882 13,883 2 0.0%
Excl. PeakMemUse (bytes)4,528 4,528 0 0.0%

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% -18 -1.1% -12 -0.5% 0 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-35 -194.4% -25 -208.3% 0 N/A% 0 0.0%
Parent functions
db_select0 N/A% -19 -105.6% -17 -141.7% 0 N/A% 0 0.0%
Drupal\user\UserData::get0 N/A% 3 16.7% 4 33.3% 0 N/A% 16 100.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% -2 -11.1% 1 8.3% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 12 66.7% 13 108.3% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 5 27.8% 0 0.0% 0 N/A% 16 100.0%