Diff Report
Run #519eb7f35533b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519eb7f35533bRun #519eb7a1537f7DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,837 2,829 -8 -0.3%
Incl. Wall Time (microsec) per call 258 257 -1 -0.3%
Excl. Wall Time (microsec)199 201 2 1.0%
Incl. CPU (microsecs)2,852 2,848 -4 -0.1%
Incl. CPU (microsecs) per call 259 259 -0 -0.1%
Excl. CPU (microsec)183 195 12 6.6%
Incl. MemUse (bytes)156,848 156,848 0 0.0%
Incl. MemUse (bytes) per call 14,259 14,259 0 0.0%
Excl. MemUse (bytes)17,436 17,436 0 0.0%
Incl. PeakMemUse (bytes)142,192 142,192 0 0.0%
Incl. PeakMemUse (bytes) per call 12,927 12,927 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% -8 -0.3% -4 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 25.0% 12 300.0% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -54 -675.0% -54 -1350.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 35 437.5% 35 875.0% 0 N/A% 0 N/A%
db_select0 N/A% 11 137.5% 14 350.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -59 -737.5% -62 -1550.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 49 612.5% 46 1150.0% 0 N/A% 0 N/A%