Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for db_select

db_selectRun #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)518 515 -3 -0.6%
Incl. Wall Time (microsec) per call 130 129 -1 -0.6%
Excl. Wall Time (microsec)63 66 3 4.8%
Incl. CPU (microsecs)523 520 -3 -0.6%
Incl. CPU (microsecs) per call 131 130 -1 -0.6%
Excl. CPU (microsec)56 55 -1 -1.8%
Incl. MemUse (bytes)16,548 16,548 0 0.0%
Incl. MemUse (bytes) per call 4,137 4,137 0 0.0%
Excl. MemUse (bytes)1,352 1,352 0 0.0%
Incl. PeakMemUse (bytes)12,472 12,472 0 0.0%
Incl. PeakMemUse (bytes) per call 3,118 3,118 0 0.0%
Excl. PeakMemUse (bytes)1,472 1,472 0 0.0%

Parent/Child Regression/Improvement report for db_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
db_select0 N/A% -3 -0.4% -3 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 100.0% -1 -33.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -3 -100.0% -2 -66.7% 0 N/A% 0 N/A%
menu_local_tasks0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::select0 N/A% -8 -266.7% -8 -266.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::getConnection0 N/A% 2 66.7% 6 200.0% 0 N/A% 0 N/A%