Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51af3d98520b7Run #51af435181b2eDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)3,097 3,195 98 3.2%
Incl. Wall Time (microsec) per call 774 799 25 3.2%
Excl. Wall Time (microsec)53 62 9 17.0%
Incl. CPU (microsecs)3,105 3,202 97 3.1%
Incl. CPU (microsecs) per call 776 801 24 3.1%
Excl. CPU (microsec)57 59 2 3.5%
Incl. MemUse (bytes)618,848 618,880 32 0.0%
Incl. MemUse (bytes) per call 154,712 154,720 8 0.0%
Excl. MemUse (bytes)14,176 14,176 0 0.0%
Incl. PeakMemUse (bytes)625,736 625,744 8 0.0%
Incl. PeakMemUse (bytes) per call 156,434 156,436 2 0.0%
Excl. PeakMemUse (bytes)8,296 8,296 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% 98 12.3% 97 10.2% 32 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function9 9.2% 2 2.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 105 107.1% 105 108.2% 32 100.0% -48 -600.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% -7 -7.1% -7 -7.2% 0 0.0% 56 700.0%
db_select0 N/A% 0 0.0% -1 -1.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 68 69.4% 72 74.2% 24 75.0% -56 -700.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% 21 21.4% 23 23.7% 8 25.0% 64 800.0%