Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52e49acfb0eb8Run #52e49b28a90e1DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)615 542 -73 -11.9%
Incl. Wall Time (microsec) per call 205 181 -24 -11.9%
Excl. Wall Time (microsec)32 26 -6 -18.8%
Incl. CPU (microsecs)619 545 -74 -12.0%
Incl. CPU (microsecs) per call 206 182 -25 -12.0%
Excl. CPU (microsec)27 22 -5 -18.5%
Incl. MemUse (bytes)195,072 195,072 0 0.0%
Incl. MemUse (bytes) per call 65,024 65,024 0 0.0%
Excl. MemUse (bytes)4,792 4,792 0 0.0%
Incl. PeakMemUse (bytes)181,096 181,096 0 0.0%
Incl. PeakMemUse (bytes) per call 60,365 60,365 0 0.0%
Excl. PeakMemUse (bytes)3,472 3,472 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% -73 -25.5% -74 -17.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -8.2% -5 -6.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Flood\DatabaseBackend::isAllowed0 N/A% -67 -91.8% -67 -90.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -6 -8.2% -7 -9.5% 0 N/A% 0 N/A%
db_select0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -41 -56.2% -43 -58.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -26 -35.6% -26 -35.1% 0 N/A% 0 N/A%