Diff Report
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ca5b0eb2b08Run #51ca5a4995c23DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)3,103 3,206 103 3.3%
Incl. Wall Time (microsec) per call 388 401 13 3.3%
Excl. Wall Time (microsec)97 95 -2 -2.1%
Incl. CPU (microsecs)3,115 3,221 106 3.4%
Incl. CPU (microsecs) per call 389 403 13 3.4%
Excl. CPU (microsec)91 95 4 4.4%
Incl. MemUse (bytes)454,608 454,648 40 0.0%
Incl. MemUse (bytes) per call 56,826 56,831 5 0.0%
Excl. MemUse (bytes)8,592 8,592 0 0.0%
Incl. PeakMemUse (bytes)433,568 433,608 40 0.0%
Incl. PeakMemUse (bytes) per call 54,196 54,201 5 0.0%
Excl. PeakMemUse (bytes)4,832 4,920 88 1.8%

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% 103 2.8% 106 4.2% 40 0.0% 40 0.0%
Exclusive Metrics Diff for Current Function-2 -1.9% 4 3.8% 0 0.0% 88 220.0%
Parent functions
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% 40 38.8% 40 37.7% 0 0.0% 0 0.0%
Drupal\user\UserData::get0 N/A% 40 38.8% 41 38.7% 40 100.0% 40 100.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% 14 13.6% 16 15.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 5 4.9% 4 3.8% 0 0.0% 0 0.0%
db_select0 N/A% 4 3.9% 4 3.8% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 66 64.1% 60 56.6% 40 100.0% 16 40.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 39 37.9% 42 39.6% 0 0.0% -64 -160.0%