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

Drupal\Core\Database\Database::getConnectionRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,404 1,008 -396 -28.2%
Incl. Wall Time (microsec) per call 100 72 -28 -28.2%
Excl. Wall Time (microsec)59 57 -2 -3.4%
Incl. CPU (microsecs)774 651 -123 -15.9%
Incl. CPU (microsecs) per call 55 47 -9 -15.9%
Excl. CPU (microsec)70 74 4 5.7%
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 Function-2 -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%