Diff Report
Run #51a191a350534: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a19275db084: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51a191a350534Run #51a19275db084DiffDiff%
Number of Function Calls8 9 1 12.5%
Incl. Wall Time (microsec)1,360 1,417 57 4.2%
Incl. Wall Time (microsec) per call 170 157 -13 -7.4%
Excl. Wall Time (microsec)112 121 9 8.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)115,868 117,444 1,576 1.4%
Incl. MemUse (bytes) per call 14,484 13,049 -1,434 -9.9%
Excl. MemUse (bytes)3,804 3,940 136 3.6%
Incl. PeakMemUse (bytes)109,320 110,828 1,508 1.4%
Incl. PeakMemUse (bytes) per call 13,665 12,314 -1,351 -9.9%
Excl. PeakMemUse (bytes)3,000 3,008 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::select1 33.3% 57 0.1% 0 0.0% 1,576 0.3% 1,508 0.3%
Exclusive Metrics Diff for Current Function9 15.8% 0 N/A% 136 8.6% 8 0.5%
Parent functions
Drupal\field_sql_storage\Entity\Query::prepare1 100.0% 109 191.2% 0 N/A% 1,584 100.5% 1,940 128.6%
Drupal\user\UserData::get0 0.0% -27 -47.4% 0 N/A% 0 0.0% 0 0.0%
db_select0 0.0% -21 -36.8% 0 N/A% 0 0.0% -76 -5.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 0.0% -4 -7.0% 0 N/A% -8 -0.5% -356 -23.6%
Child functions
Drupal\Core\Database\Query\Select::__construct1 50.0% 68 119.3% 0 N/A% 1,440 91.4% 1,500 99.5%
Drupal\Core\Database\Connection::getDriverClass1 50.0% -20 -35.1% 0 N/A% 0 0.0% 0 0.0%