Diff Report
Run #519ead70538d1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eadc55e057: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519ead70538d1Run #519eadc55e057DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,767 2,796 29 1.0%
Incl. Wall Time (microsec) per call 252 254 3 1.0%
Excl. Wall Time (microsec)184 187 3 1.6%
Incl. CPU (microsecs)2,782 2,814 32 1.2%
Incl. CPU (microsecs) per call 253 256 3 1.2%
Excl. CPU (microsec)170 178 8 4.7%
Incl. MemUse (bytes)156,840 156,840 0 0.0%
Incl. MemUse (bytes) per call 14,258 14,258 0 0.0%
Excl. MemUse (bytes)17,436 17,436 0 0.0%
Incl. PeakMemUse (bytes)142,196 142,196 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% 29 2.2% 32 13.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 10.3% 8 25.0% 0 N/A% 0 N/A%
Parent functions
db_select0 N/A% 16 55.2% 16 50.0% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% 14 48.3% 14 43.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -2 -6.9% -1 -3.1% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 1 3.4% 3 9.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 14 48.3% 12 37.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 12 41.4% 12 37.5% 0 N/A% 0 N/A%