Diff Report
Run #51af430daedb2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51af430daedb2Run #51af3d98520b7DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)3,140 3,097 -43 -1.4%
Incl. Wall Time (microsec) per call 785 774 -11 -1.4%
Excl. Wall Time (microsec)51 53 2 3.9%
Incl. CPU (microsecs)3,146 3,105 -41 -1.3%
Incl. CPU (microsecs) per call 787 776 -10 -1.3%
Excl. CPU (microsec)48 57 9 18.8%
Incl. MemUse (bytes)618,848 618,848 0 0.0%
Incl. MemUse (bytes) per call 154,712 154,712 0 0.0%
Excl. MemUse (bytes)14,176 14,176 0 0.0%
Incl. PeakMemUse (bytes)625,736 625,736 0 0.0%
Incl. PeakMemUse (bytes) per call 156,434 156,434 0 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% -43 -3.2% -41 -2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 4.7% 9 22.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -39 -90.7% -39 -95.1% 0 N/A% 0 N/A%
db_select0 N/A% -4 -9.3% -3 -7.3% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 0 0.0% 1 2.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -50 -116.3% -51 -124.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 5 11.6% 1 2.4% 0 N/A% 0 N/A%