Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)2,840 2,882 42 1.5%
Incl. Wall Time (microsec) per call 237 240 4 1.5%
Excl. Wall Time (microsec)213 217 4 1.9%
Incl. CPU (microsecs)2,863 2,899 36 1.3%
Incl. CPU (microsecs) per call 239 242 3 1.3%
Excl. CPU (microsec)210 196 -14 -6.7%
Incl. MemUse (bytes)160,824 160,824 0 0.0%
Incl. MemUse (bytes) per call 13,402 13,402 0 0.0%
Excl. MemUse (bytes)19,224 19,224 0 0.0%
Incl. PeakMemUse (bytes)142,288 142,288 0 0.0%
Incl. PeakMemUse (bytes) per call 11,857 11,857 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% 42 0.3% 36 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 9.5% -14 -38.9% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 43 102.4% 41 113.9% 0 N/A% 0 N/A%
db_select0 N/A% -16 -38.1% -19 -52.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 12 28.6% 11 30.6% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 4 9.5% 4 11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -2.4% -1 -2.8% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 42 100.0% 54 150.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -4 -9.5% -4 -11.1% 0 N/A% 0 N/A%