Diff Report
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51774cdfb1214Run #51774c26bf054DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,565 1,590 25 1.6%
Incl. Wall Time (microsec) per call 82 84 1 1.6%
Excl. Wall Time (microsec)161 163 2 1.2%
Incl. CPU (microsecs)1,589 1,609 20 1.3%
Incl. CPU (microsecs) per call 84 85 1 1.3%
Excl. CPU (microsec)136 133 -3 -2.2%
Incl. MemUse (bytes)237,544 237,528 -16 -0.0%
Incl. MemUse (bytes) per call 12,502 12,501 -1 -0.0%
Excl. MemUse (bytes)9,024 9,024 0 0.0%
Incl. PeakMemUse (bytes)192,288 194,456 2,168 1.1%
Incl. PeakMemUse (bytes) per call 10,120 10,235 114 1.1%
Excl. PeakMemUse (bytes)5,112 5,280 168 3.3%

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% 25 0.1% 20 0.1% -16 -0.2% 2,168 18.3%
Exclusive Metrics Diff for Current Function2 8.0% -3 -15.0% 0 0.0% 168 7.7%
Parent functions
db_select0 N/A% 29 116.0% 25 125.0% -16 -100.0% 2,168 100.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -3 -12.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -1 -4.0% -5 -25.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 30 120.0% 31 155.0% -16 -100.0% 2,000 92.3%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -7 -28.0% -8 -40.0% 0 0.0% 0 0.0%