Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbca569199: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519fbb3f5c2a0Run #519fbca569199DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)1,451 1,579 128 8.8%
Incl. Wall Time (microsec) per call 132 144 12 8.8%
Excl. Wall Time (microsec)83 92 9 10.8%
Incl. CPU (microsecs)1,463 1,592 129 8.8%
Incl. CPU (microsecs) per call 133 145 12 8.8%
Excl. CPU (microsec)73 76 3 4.1%
Incl. MemUse (bytes)211,720 211,720 0 0.0%
Incl. MemUse (bytes) per call 19,247 19,247 0 0.0%
Excl. MemUse (bytes)7,712 7,712 0 0.0%
Incl. PeakMemUse (bytes)142,464 142,464 0 0.0%
Incl. PeakMemUse (bytes) per call 12,951 12,951 0 0.0%
Excl. PeakMemUse (bytes)6,040 6,040 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% 128 20.1% 129 44.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function9 7.0% 3 2.3% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 104 81.2% 104 80.6% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 25 19.5% 24 18.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -5 -3.9% -5 -3.9% 0 N/A% 0 N/A%
db_select0 N/A% 4 3.1% 6 4.7% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 81 63.3% 83 64.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 38 29.7% 43 33.3% 0 N/A% 0 N/A%