Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)965 947 -18 -1.9%
Incl. Wall Time (microsec) per call 80 79 -2 -1.9%
Excl. Wall Time (microsec)88 86 -2 -2.3%
Incl. CPU (microsecs)975 960 -15 -1.5%
Incl. CPU (microsecs) per call 81 80 -1 -1.5%
Excl. CPU (microsec)77 76 -1 -1.3%
Incl. MemUse (bytes)214,536 214,536 0 0.0%
Incl. MemUse (bytes) per call 17,878 17,878 0 0.0%
Excl. MemUse (bytes)7,976 7,976 0 0.0%
Incl. PeakMemUse (bytes)141,504 141,504 0 0.0%
Incl. PeakMemUse (bytes) per call 11,792 11,792 0 0.0%
Excl. PeakMemUse (bytes)6,112 6,112 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 -4.6% -15 -2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -11.1% -1 -6.7% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::query0 N/A% -9 -50.0% -7 -46.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -5 -27.8% -3 -20.0% 0 N/A% 0 N/A%
db_select0 N/A% -3 -16.7% -3 -20.0% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% -1 -5.6% -2 -13.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -15 -83.3% -12 -80.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -1 -5.6% -2 -13.3% 0 N/A% 0 N/A%