Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b394aea8: 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 #52e49b394aea8DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)615 595 -20 -3.3%
Incl. Wall Time (microsec) per call 205 198 -7 -3.3%
Excl. Wall Time (microsec)32 27 -5 -15.6%
Incl. CPU (microsecs)619 600 -19 -3.1%
Incl. CPU (microsecs) per call 206 200 -6 -3.1%
Excl. CPU (microsec)27 27 0 0.0%
Incl. MemUse (bytes)195,072 195,112 40 0.0%
Incl. MemUse (bytes) per call 65,024 65,037 13 0.0%
Excl. MemUse (bytes)4,792 4,792 0 0.0%
Incl. PeakMemUse (bytes)181,096 181,112 16 0.0%
Incl. PeakMemUse (bytes) per call 60,365 60,371 5 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% -20 -1.8% -19 -2.3% 40 0.2% 16 0.1%
Exclusive Metrics Diff for Current Function-5 -25.0% 0 0.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Flood\DatabaseBackend::isAllowed0 N/A% -18 -90.0% -17 -89.5% 16 40.0% 16 100.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -3 -15.0% -3 -15.8% 0 0.0% 0 0.0%
db_select0 N/A% 1 5.0% 1 5.3% 24 60.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -14 -70.0% -16 -84.2% 16 40.0% 72 450.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -1 -5.0% -3 -15.8% 24 60.0% -56 -350.0%