Diff Report
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519bea9000214Run #519be9a13e594DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)2,491 2,540 49 2.0%
Incl. Wall Time (microsec) per call 311 318 6 2.0%
Excl. Wall Time (microsec)144 141 -3 -2.1%
Incl. CPU (microsecs)2,507 2,560 53 2.1%
Incl. CPU (microsecs) per call 313 320 7 2.1%
Excl. CPU (microsec)140 141 1 0.7%
Incl. MemUse (bytes)146,248 146,248 0 0.0%
Incl. MemUse (bytes) per call 18,281 18,281 0 0.0%
Excl. MemUse (bytes)13,488 13,488 0 0.0%
Incl. PeakMemUse (bytes)139,772 139,772 0 0.0%
Incl. PeakMemUse (bytes) per call 17,472 17,472 0 0.0%
Excl. PeakMemUse (bytes)10,324 10,324 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% 49 1.3% 53 2.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -6.1% 1 1.9% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 62 126.5% 62 117.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -11 -22.4% -10 -18.9% 0 N/A% 0 N/A%
db_select0 N/A% -2 -4.1% -1 -1.9% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% 2 3.8% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 62 126.5% 63 118.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -10 -20.4% -11 -20.8% 0 N/A% 0 N/A%