Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec2301b5aa5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51ec227a9cea0Run #51ec2301b5aa5DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)976 1,398 422 43.2%
Incl. Wall Time (microsec) per call 70 100 30 43.2%
Excl. Wall Time (microsec)55 56 1 1.8%
Incl. CPU (microsecs)612 772 160 26.1%
Incl. CPU (microsecs) per call 44 55 11 26.1%
Excl. CPU (microsec)72 70 -2 -2.8%
Incl. MemUse (bytes)159,680 159,680 0 0.0%
Incl. MemUse (bytes) per call 11,406 11,406 0 0.0%
Excl. MemUse (bytes)6,568 6,568 0 0.0%
Incl. PeakMemUse (bytes)153,120 153,120 0 0.0%
Incl. PeakMemUse (bytes) per call 10,937 10,937 0 0.0%
Excl. PeakMemUse (bytes)2,744 2,744 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::getConnection [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\Database::getConnection0 N/A% 422 15.4% 160 2.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.2% -2 -1.2% 0 N/A% 0 N/A%
Parent functions
call_user_func0 N/A% 421 99.8% 160 100.0% 0 N/A% 0 N/A%
db_query0 N/A% 1 0.2% -2 -1.2% 0 N/A% 0 N/A%
db_delete0 N/A% 0 0.0% 1 0.6% 0 N/A% 0 N/A%
db_insert0 N/A% 0 0.0% -1 -0.6% 0 N/A% 0 N/A%
db_select0 N/A% 0 0.0% 1 0.6% 0 N/A% 0 N/A%
db_query_range0 N/A% 0 0.0% 1 0.6% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 421 99.8% 162 101.2% 0 N/A% 0 N/A%