Diff Report
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e3103d95a81: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51e30f7568a45Run #51e3103d95a81DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)3,709 3,762 53 1.4%
Incl. Wall Time (microsec) per call 464 470 7 1.4%
Excl. Wall Time (microsec)89 85 -4 -4.5%
Incl. CPU (microsecs)3,725 3,779 54 1.4%
Incl. CPU (microsecs) per call 466 472 7 1.4%
Excl. CPU (microsec)82 80 -2 -2.4%
Incl. MemUse (bytes)429,656 429,720 64 0.0%
Incl. MemUse (bytes) per call 53,707 53,715 8 0.0%
Excl. MemUse (bytes)8,584 8,584 0 0.0%
Incl. PeakMemUse (bytes)410,168 410,256 88 0.0%
Incl. PeakMemUse (bytes) per call 51,271 51,282 11 0.0%
Excl. PeakMemUse (bytes)5,448 5,448 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% 53 0.8% 54 11.4% 64 0.1% 88 0.1%
Exclusive Metrics Diff for Current Function-4 -7.5% -2 -3.7% 0 0.0% 0 0.0%
Parent functions
Drupal\user\UserData::get0 N/A% 50 94.3% 55 101.9% 64 100.0% 88 100.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% 9 17.0% 8 14.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -5 -9.4% -7 -13.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% -1 -1.9% -4 -7.4% 0 0.0% 0 0.0%
db_select0 N/A% 0 0.0% 1 1.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 0 0.0% 1 1.9% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 85 160.4% 91 168.5% 56 87.5% 104 118.2%
Drupal\Core\Database\Query\Select::__construct0 N/A% -28 -52.8% -35 -64.8% 8 12.5% -16 -18.2%