Diff Report
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519c1681d41e5Run #519c153c76aa0DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)3,577 3,511 -66 -1.8%
Incl. Wall Time (microsec) per call 325 319 -6 -1.8%
Excl. Wall Time (microsec)121 113 -8 -6.6%
Incl. CPU (microsecs)3,584 3,522 -62 -1.7%
Incl. CPU (microsecs) per call 326 320 -6 -1.7%
Excl. CPU (microsec)106 101 -5 -4.7%
Incl. MemUse (bytes)663,712 663,712 0 0.0%
Incl. MemUse (bytes) per call 60,337 60,337 0 0.0%
Excl. MemUse (bytes)31,016 31,016 0 0.0%
Incl. PeakMemUse (bytes)639,392 639,392 0 0.0%
Incl. PeakMemUse (bytes) per call 58,127 58,127 0 0.0%
Excl. PeakMemUse (bytes)12,016 12,016 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% -66 -1.8% -62 -2.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-8 -12.1% -5 -8.1% 0 N/A% 0 N/A%
Parent functions
db_select0 N/A% -43 -65.2% -39 -62.9% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -22 -33.3% -22 -35.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -1.5% -1 -1.6% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -58 -87.9% -56 -90.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%