Diff Report
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba946b609ed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51ba929760d1bRun #51ba946b609edDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)3,231 3,722 491 15.2%
Incl. Wall Time (microsec) per call 1,077 1,241 164 15.2%
Excl. Wall Time (microsec)33 40 7 21.2%
Incl. CPU (microsecs)3,235 3,727 492 15.2%
Incl. CPU (microsecs) per call 1,078 1,242 164 15.2%
Excl. CPU (microsec)34 33 -1 -2.9%
Incl. MemUse (bytes)397,512 411,512 14,000 3.5%
Incl. MemUse (bytes) per call 132,504 137,171 4,667 3.5%
Excl. MemUse (bytes)4,816 5,040 224 4.7%
Incl. PeakMemUse (bytes)382,568 0 -382,568 -100.0%
Incl. PeakMemUse (bytes) per call 127,523 0 -127,523 -100.0%
Excl. PeakMemUse (bytes)3,352 0 -3,352 -100.0%

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% 491 0.1% 492 0.1% 14,000 0.1% -382,568 -1.6%
Exclusive Metrics Diff for Current Function7 1.4% -1 -0.2% 224 1.6% -3,352 -0.9%
Parent functions
db_select0 N/A% 474 96.5% 474 96.3% 13,800 98.6% -378,600 -99.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 12 2.4% 12 2.4% 144 1.0% -3,968 -1.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 5 1.0% 6 1.2% 56 0.4% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 432 88.0% 436 88.6% 10,848 77.5% -306,280 -80.1%
Drupal\Core\Database\Query\Select::__construct0 N/A% 52 10.6% 57 11.6% 2,928 20.9% -72,936 -19.1%