Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: 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 #519bea9000214DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)2,540 2,491 -49 -1.9%
Incl. Wall Time (microsec) per call 318 311 -6 -1.9%
Excl. Wall Time (microsec)141 144 3 2.1%
Incl. CPU (microsecs)2,560 2,507 -53 -2.1%
Incl. CPU (microsecs) per call 320 313 -7 -2.1%
Excl. CPU (microsec)141 140 -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 Function3 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%