Diff Report
Run #51fdbd76c2eed: 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 #51fdbd76c2eedRun #51fdbca2b5409DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,108 1,129 21 1.9%
Incl. Wall Time (microsec) per call 123 125 2 1.9%
Excl. Wall Time (microsec)109 148 39 35.8%
Incl. CPU (microsecs)1,125 1,147 22 2.0%
Incl. CPU (microsecs) per call 125 127 2 2.0%
Excl. CPU (microsec)109 152 43 39.4%
Incl. MemUse (bytes)213,912 213,912 0 0.0%
Incl. MemUse (bytes) per call 23,768 23,768 0 0.0%
Excl. MemUse (bytes)7,240 7,240 0 0.0%
Incl. PeakMemUse (bytes)200,880 200,880 0 0.0%
Incl. PeakMemUse (bytes) per call 22,320 22,320 0 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% 21 3.2% 22 1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function39 185.7% 43 195.5% 0 N/A% 0 N/A%
Parent functions
db_select0 N/A% 39 185.7% 41 186.4% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::buildQuery0 N/A% -20 -95.2% -18 -81.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 1 4.8% -1 -4.5% 0 N/A% 0 N/A%
Drupal\Core\Entity\DatabaseStorageControllerNG::attachPropertyData0 N/A% 1 4.8% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -21 -100.0% -21 -95.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 3 14.3% 0 0.0% 0 N/A% 0 N/A%