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

Drupal\Core\Database\Connection::selectRun #51ba946b609edRun #51ba929760d1bDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)3,722 3,231 -491 -13.2%
Incl. Wall Time (microsec) per call 1,241 1,077 -164 -13.2%
Excl. Wall Time (microsec)40 33 -7 -17.5%
Incl. CPU (microsecs)3,727 3,235 -492 -13.2%
Incl. CPU (microsecs) per call 1,242 1,078 -164 -13.2%
Excl. CPU (microsec)33 34 1 3.0%
Incl. MemUse (bytes)411,512 397,512 -14,000 -3.4%
Incl. MemUse (bytes) per call 137,171 132,504 -4,667 -3.4%
Excl. MemUse (bytes)5,040 4,816 -224 -4.4%
Incl. PeakMemUse (bytes)0 382,568 382,568 N/A%
Incl. PeakMemUse (bytes) per call 0 127,523 127,523 N/A%
Excl. PeakMemUse (bytes)0 3,352 3,352 N/A%

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 Function-7 -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%