Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb5243677d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519eb486908e7Run #519eb5243677dDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,767 2,768 1 0.0%
Incl. Wall Time (microsec) per call 252 252 0 0.0%
Excl. Wall Time (microsec)194 195 1 0.5%
Incl. CPU (microsecs)2,791 2,792 1 0.0%
Incl. CPU (microsecs) per call 254 254 0 0.0%
Excl. CPU (microsec)188 192 4 2.1%
Incl. MemUse (bytes)156,848 156,848 0 0.0%
Incl. MemUse (bytes) per call 14,259 14,259 0 0.0%
Excl. MemUse (bytes)17,436 17,436 0 0.0%
Incl. PeakMemUse (bytes)142,192 142,192 0 0.0%
Incl. PeakMemUse (bytes) per call 12,927 12,927 0 0.0%
Excl. PeakMemUse (bytes)11,588 11,588 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% 1 0.1% 1 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 100.0% 4 400.0% 0 N/A% 0 N/A%
Parent functions
db_select0 N/A% 17 1700.0% 17 1700.0% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% -13 -1300.0% -12 -1200.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -2 -200.0% -3 -300.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 14 1400.0% 17 1700.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -14 -1400.0% -20 -2000.0% 0 N/A% 0 N/A%