Diff Report
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51a18906335b0Run #51a188154f4e0DiffDiff%
Number of Function Calls10 8 -2 -20.0%
Incl. Wall Time (microsec)1,567 1,446 -121 -7.7%
Incl. Wall Time (microsec) per call 157 181 24 15.3%
Excl. Wall Time (microsec)144 123 -21 -14.6%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 400 0 -400 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)119,480 115,864 -3,616 -3.0%
Incl. MemUse (bytes) per call 11,948 14,483 2,535 21.2%
Excl. MemUse (bytes)4,548 3,804 -744 -16.4%
Incl. PeakMemUse (bytes)111,120 109,612 -1,508 -1.4%
Incl. PeakMemUse (bytes) per call 11,112 13,702 2,590 23.3%
Excl. PeakMemUse (bytes)3,008 3,000 -8 -0.3%

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::select-2 -33.3% -121 -0.1% -4,000 -5.3% -3,616 -0.6% -1,508 -0.2%
Exclusive Metrics Diff for Current Function-21 -17.4% 0 0.0% -744 -20.6% -8 -0.5%
Parent functions
Drupal\field_sql_storage\Entity\Query::prepare-1 -50.0% -97 -80.2% 0 0.0% -1,584 -43.8% -1,940 -128.6%
Drupal\Core\Database\Query\Merge::execute-1 -50.0% -91 -75.2% 0 0.0% -2,040 -56.4% 0 0.0%
Drupal\user\UserData::get0 0.0% 28 23.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 0.0% 21 17.4% 0 0.0% 8 0.2% 356 23.6%
db_select0 0.0% 18 14.9% -4,000 -100.0% 0 0.0% 76 5.0%
Child functions
Drupal\Core\Database\Query\Select::__construct-2 -50.0% -121 -100.0% -4,000 -100.0% -2,872 -79.4% -1,500 -99.5%
Drupal\Core\Database\Connection::getDriverClass-2 -50.0% 21 17.4% 0 0.0% 0 0.0% 0 0.0%