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

Drupal\Core\Database\Connection::selectRun #519d9d52c2102Run #519d9cf28420eDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)3,554 3,655 101 2.8%
Incl. Wall Time (microsec) per call 296 305 8 2.8%
Excl. Wall Time (microsec)130 132 2 1.5%
Incl. CPU (microsecs)3,571 3,673 102 2.9%
Incl. CPU (microsecs) per call 298 306 9 2.9%
Excl. CPU (microsec)125 128 3 2.4%
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 Function2 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%