Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)991 1,009 18 1.8%
Incl. Wall Time (microsec) per call 330 336 6 1.8%
Excl. Wall Time (microsec)35 39 4 11.4%
Incl. CPU (microsecs)993 1,011 18 1.8%
Incl. CPU (microsecs) per call 331 337 6 1.8%
Excl. CPU (microsec)26 31 5 19.2%
Incl. MemUse (bytes)188,272 188,264 -8 -0.0%
Incl. MemUse (bytes) per call 62,757 62,755 -3 -0.0%
Excl. MemUse (bytes)3,144 3,144 0 0.0%
Incl. PeakMemUse (bytes)184,640 184,632 -8 -0.0%
Incl. PeakMemUse (bytes) per call 61,547 61,544 -3 -0.0%
Excl. PeakMemUse (bytes)2,800 2,800 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% 18 5.1% 18 1.9% -8 -0.3% -8 -0.3%
Exclusive Metrics Diff for Current Function4 22.2% 5 27.8% 0 0.0% 0 0.0%
Parent function
db_select0 N/A% 18 100.0% 18 100.0% -8 -100.0% -8 -100.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 7 38.9% 11 61.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 7 38.9% 2 11.1% -8 -100.0% -8 -100.0%