Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)2,040 1,957 -83 -4.1%
Incl. Wall Time (microsec) per call 291 280 -12 -4.1%
Excl. Wall Time (microsec)86 86 0 0.0%
Incl. CPU (microsecs)2,056 1,969 -87 -4.2%
Incl. CPU (microsecs) per call 294 281 -12 -4.2%
Excl. CPU (microsec)81 77 -4 -4.9%
Incl. MemUse (bytes)199,416 199,424 8 0.0%
Incl. MemUse (bytes) per call 28,488 28,489 1 0.0%
Excl. MemUse (bytes)5,840 5,840 0 0.0%
Incl. PeakMemUse (bytes)192,152 192,160 8 0.0%
Incl. PeakMemUse (bytes) per call 27,450 27,451 1 0.0%
Excl. PeakMemUse (bytes)4,928 4,928 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% -83 -30.3% -87 -33.5% 8 50.0% 8 12.5%
Exclusive Metrics Diff for Current Function0 0.0% -4 -4.6% 0 0.0% 0 0.0%
Parent functions
Drupal\user\UserData::get0 N/A% -81 -97.6% -81 -93.1% 8 100.0% 8 100.0%
db_select0 N/A% -4 -4.8% -4 -4.6% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 2 2.4% -2 -2.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -50 -60.2% -52 -59.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -33 -39.8% -31 -35.6% 8 100.0% 8 100.0%