Diff Report
Run #519c619634b1e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519c619634b1eRun #519c60f26cf68DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)3,671 3,585 -86 -2.3%
Incl. Wall Time (microsec) per call 193 189 -5 -2.3%
Excl. Wall Time (microsec)334 332 -2 -0.6%
Incl. CPU (microsecs)3,698 3,609 -89 -2.4%
Incl. CPU (microsecs) per call 195 190 -5 -2.4%
Excl. CPU (microsec)302 306 4 1.3%
Incl. MemUse (bytes)185,464 185,464 0 0.0%
Incl. MemUse (bytes) per call 9,761 9,761 0 0.0%
Excl. MemUse (bytes)27,968 27,968 0 0.0%
Incl. PeakMemUse (bytes)152,076 152,076 0 0.0%
Incl. PeakMemUse (bytes) per call 8,004 8,004 0 0.0%
Excl. PeakMemUse (bytes)12,988 12,988 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% -86 -4.6% -89 -3.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -2.3% 4 4.5% 0 N/A% 0 N/A%
Parent functions
db_select0 N/A% -54 -62.8% -57 -64.0% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% -34 -39.5% -35 -39.3% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 2 2.3% 2 2.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 1 1.1% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -42 -48.8% -49 -55.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -42 -48.8% -44 -49.4% 0 N/A% 0 N/A%