Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #5219624c55207Run #521962a927d49DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)872 865 -7 -0.8%
Incl. Wall Time (microsec) per call 174 173 -1 -0.8%
Excl. Wall Time (microsec)50 51 1 2.0%
Incl. CPU (microsecs)882 872 -10 -1.1%
Incl. CPU (microsecs) per call 176 174 -2 -1.1%
Excl. CPU (microsec)50 43 -7 -14.0%
Incl. MemUse (bytes)202,080 202,072 -8 -0.0%
Incl. MemUse (bytes) per call 40,416 40,414 -2 -0.0%
Excl. MemUse (bytes)6,144 6,144 0 0.0%
Incl. PeakMemUse (bytes)197,536 197,528 -8 -0.0%
Incl. PeakMemUse (bytes) per call 39,507 39,506 -2 -0.0%
Excl. PeakMemUse (bytes)5,720 5,720 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% -7 -1.5% -10 -1.1% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function1 14.3% -7 -70.0% 0 0.0% 0 0.0%
Parent functions
Drupal\views\Plugin\views\query\Sql::query0 N/A% -9 -128.6% -9 -90.0% -8 -100.0% -8 -100.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 6 85.7% 6 60.0% 0 0.0% 0 0.0%
db_select0 N/A% -5 -71.4% -4 -40.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% 1 14.3% -3 -30.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -5 -71.4% -1 -10.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -3 -42.9% -2 -20.0% -8 -100.0% -8 -100.0%