Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea2c59e7a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519be9a13e594Run #519bea2c59e7aDiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)2,540 2,478 -62 -2.4%
Incl. Wall Time (microsec) per call 318 310 -8 -2.4%
Excl. Wall Time (microsec)141 145 4 2.8%
Incl. CPU (microsecs)2,560 2,495 -65 -2.5%
Incl. CPU (microsecs) per call 320 312 -8 -2.5%
Excl. CPU (microsec)141 141 0 0.0%
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% -62 -5.2% -65 -154.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 6.5% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -66 -106.5% -66 -101.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 3 4.8% 2 3.1% 0 N/A% 0 N/A%
db_select0 N/A% 3 4.8% 1 1.5% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -2 -3.2% -2 -3.1% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -70 -112.9% -74 -113.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 4 6.5% 9 13.8% 0 N/A% 0 N/A%