Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: 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 #519d9d94433aaDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)3,655 3,656 1 0.0%
Incl. Wall Time (microsec) per call 305 305 0 0.0%
Excl. Wall Time (microsec)132 133 1 0.8%
Incl. CPU (microsecs)3,673 3,670 -3 -0.1%
Incl. CPU (microsecs) per call 306 306 -0 -0.1%
Excl. CPU (microsec)128 121 -7 -5.5%
Incl. MemUse (bytes)670,888 670,880 -8 -0.0%
Incl. MemUse (bytes) per call 55,907 55,907 -1 -0.0%
Excl. MemUse (bytes)34,248 34,248 0 0.0%
Incl. PeakMemUse (bytes)638,832 638,840 8 0.0%
Incl. PeakMemUse (bytes) per call 53,236 53,237 1 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% 1 0.0% -3 -0.3% -8 -0.0% 8 0.0%
Exclusive Metrics Diff for Current Function1 100.0% -7 -233.3% 0 0.0% 0 0.0%
Parent functions
Drupal\views\Plugin\views\query\Sql::query0 N/A% 24 2400.0% 25 833.3% 8 100.0% 8 100.0%
db_select0 N/A% -23 -2300.0% -24 -800.0% -16 -200.0% 0 0.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% -2 -200.0% -3 -100.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 2 200.0% -1 -33.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -72 -7200.0% -73 -2433.3% -16 -200.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 72 7200.0% 77 2566.7% 8 100.0% 8 100.0%