Diff Report
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc563dc23f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51abc4cb0a647Run #51abc563dc23fDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)904 874 -30 -3.3%
Incl. Wall Time (microsec) per call 129 125 -4 -3.3%
Excl. Wall Time (microsec)73 72 -1 -1.4%
Incl. CPU (microsecs)916 886 -30 -3.3%
Incl. CPU (microsecs) per call 131 127 -4 -3.3%
Excl. CPU (microsec)65 65 0 0.0%
Incl. MemUse (bytes)201,024 201,024 0 0.0%
Incl. MemUse (bytes) per call 28,718 28,718 0 0.0%
Excl. MemUse (bytes)7,504 7,504 0 0.0%
Incl. PeakMemUse (bytes)134,376 134,376 0 0.0%
Incl. PeakMemUse (bytes) per call 19,197 19,197 0 0.0%
Excl. PeakMemUse (bytes)5,368 5,368 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% -30 -14.8% -30 -24.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -3.3% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -35 -116.7% -34 -113.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 6 20.0% 8 26.7% 0 N/A% 0 N/A%
db_select0 N/A% -1 -3.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 0 0.0% -4 -13.3% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -20 -66.7% -25 -83.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -9 -30.0% -5 -16.7% 0 N/A% 0 N/A%