Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52e4a1c03557cRun #52e4a222581efDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)521 604 83 15.9%
Incl. Wall Time (microsec) per call 174 201 28 15.9%
Excl. Wall Time (microsec)24 30 6 25.0%
Incl. CPU (microsecs)523 608 85 16.3%
Incl. CPU (microsecs) per call 174 203 28 16.3%
Excl. CPU (microsec)21 25 4 19.0%
Incl. MemUse (bytes)195,064 195,088 24 0.0%
Incl. MemUse (bytes) per call 65,021 65,029 8 0.0%
Excl. MemUse (bytes)4,792 4,792 0 0.0%
Incl. PeakMemUse (bytes)181,088 181,088 0 0.0%
Incl. PeakMemUse (bytes) per call 60,363 60,363 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% 83 16.8% 85 40.1% 24 0.1% 0 0.0%
Exclusive Metrics Diff for Current Function6 7.2% 4 4.7% 0 0.0% 0 N/A%
Parent functions
Drupal\Core\Flood\DatabaseBackend::isAllowed0 N/A% 75 90.4% 74 87.1% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 7 8.4% 11 12.9% 0 0.0% 0 N/A%
db_select0 N/A% 1 1.2% 0 0.0% 24 100.0% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 54 65.1% 55 64.7% 0 0.0% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 23 27.7% 26 30.6% 24 100.0% 0 N/A%