Diff Report
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519c03b86b1ecRun #519c04ab45451DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)2,516 2,581 65 2.6%
Incl. Wall Time (microsec) per call 315 323 8 2.6%
Excl. Wall Time (microsec)144 147 3 2.1%
Incl. CPU (microsecs)2,531 2,593 62 2.4%
Incl. CPU (microsecs) per call 316 324 8 2.4%
Excl. CPU (microsec)143 136 -7 -4.9%
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)139,308 139,308 0 0.0%
Incl. PeakMemUse (bytes) per call 17,414 17,414 0 0.0%
Excl. PeakMemUse (bytes)10,088 10,088 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% 65 10.4% 62 4.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 4.6% -7 -11.3% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 61 93.8% 61 98.4% 0 N/A% 0 N/A%
db_select0 N/A% 6 9.2% 2 3.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -2 -3.1% -1 -1.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 63 96.9% 66 106.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -1 -1.5% 3 4.8% 0 N/A% 0 N/A%