Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51ec623000e0cRun #51ec6582d0962DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,008 1,404 396 39.3%
Incl. Wall Time (microsec) per call 72 100 28 39.3%
Excl. Wall Time (microsec)57 59 2 3.5%
Incl. CPU (microsecs)651 774 123 18.9%
Incl. CPU (microsecs) per call 47 55 9 18.9%
Excl. CPU (microsec)74 70 -4 -5.4%
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)153,016 153,016 0 0.0%
Incl. PeakMemUse (bytes) per call 10,930 10,930 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% 396 15.4% 123 10.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 0.5% -4 -3.3% 0 N/A% 0 N/A%
Parent functions
call_user_func0 N/A% 393 99.2% 126 102.4% 0 N/A% 0 N/A%
db_query0 N/A% 2 0.5% 4 3.3% 0 N/A% 0 N/A%
db_insert0 N/A% 1 0.3% -2 -1.6% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -1 -0.3% -5 -4.1% 0 N/A% 0 N/A%
db_select0 N/A% 1 0.3% 1 0.8% 0 N/A% 0 N/A%
db_delete0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
db_query_range0 N/A% 0 0.0% -1 -0.8% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 394 99.5% 127 103.3% 0 N/A% 0 N/A%