Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,119 1,129 10 0.9%
Incl. Wall Time (microsec) per call 124 125 1 0.9%
Excl. Wall Time (microsec)84 148 64 76.2%
Incl. CPU (microsecs)1,128 1,147 19 1.7%
Incl. CPU (microsecs) per call 125 127 2 1.7%
Excl. CPU (microsec)71 152 81 114.1%
Incl. MemUse (bytes)213,936 213,912 -24 -0.0%
Incl. MemUse (bytes) per call 23,771 23,768 -3 -0.0%
Excl. MemUse (bytes)7,240 7,240 0 0.0%
Incl. PeakMemUse (bytes)200,848 200,880 32 0.0%
Incl. PeakMemUse (bytes) per call 22,316 22,320 4 0.0%
Excl. PeakMemUse (bytes)5,168 5,168 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% 10 1.1% 19 26.4% -24 -0.1% 32 0.1%
Exclusive Metrics Diff for Current Function64 640.0% 81 426.3% 0 0.0% 0 0.0%
Parent functions
db_select0 N/A% 31 310.0% 35 184.2% -24 -100.0% 16 50.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -21 -210.0% -16 -84.2% 0 0.0% 16 50.0%
Drupal\Core\Database\Query\Merge::execute0 N/A% -3 -30.0% -2 -10.5% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% 3 30.0% 2 10.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% -38 -380.0% -46 -242.1% -24 -100.0% 32 100.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -16 -160.0% -16 -84.2% 0 0.0% 0 0.0%