Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519d9cf28420eRun #519d9d52c2102DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)3,655 3,554 -101 -2.8%
Incl. Wall Time (microsec) per call 305 296 -8 -2.8%
Excl. Wall Time (microsec)132 130 -2 -1.5%
Incl. CPU (microsecs)3,673 3,571 -102 -2.8%
Incl. CPU (microsecs) per call 306 298 -9 -2.8%
Excl. CPU (microsec)128 125 -3 -2.3%
Incl. MemUse (bytes)670,888 670,888 0 0.0%
Incl. MemUse (bytes) per call 55,907 55,907 0 0.0%
Excl. MemUse (bytes)34,248 34,248 0 0.0%
Incl. PeakMemUse (bytes)638,832 638,832 0 0.0%
Incl. PeakMemUse (bytes) per call 53,236 53,236 0 0.0%
Excl. PeakMemUse (bytes)11,472 11,472 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% -101 -45.7% -102 -4.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -2.0% -3 -2.9% 0 N/A% 0 N/A%
Parent functions
Drupal\views\Plugin\views\query\Sql::query0 N/A% -78 -77.2% -78 -76.5% 0 N/A% 0 N/A%
db_select0 N/A% -20 -19.8% -19 -18.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -3 -3.0% -4 -3.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% -1 -1.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -74 -73.3% -76 -74.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -25 -24.8% -23 -22.5% 0 N/A% 0 N/A%