Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5d631cb28: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51ec5ca916d7dRun #51ec5d631cb28DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)1,396 946 -450 -32.2%
Incl. Wall Time (microsec) per call 116 79 -38 -32.2%
Excl. Wall Time (microsec)49 49 0 0.0%
Incl. CPU (microsecs)771 583 -188 -24.4%
Incl. CPU (microsecs) per call 64 49 -16 -24.4%
Excl. CPU (microsec)66 64 -2 -3.0%
Incl. MemUse (bytes)159,680 159,680 0 0.0%
Incl. MemUse (bytes) per call 13,307 13,307 0 0.0%
Excl. MemUse (bytes)6,568 6,568 0 0.0%
Incl. PeakMemUse (bytes)153,344 153,448 104 0.1%
Incl. PeakMemUse (bytes) per call 12,779 12,787 9 0.1%
Excl. PeakMemUse (bytes)3,072 3,072 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% -450 -5.6% -188 -2.1% 0 0.0% 104 0.2%
Exclusive Metrics Diff for Current Function0 0.0% -2 -1.1% 0 N/A% 0 0.0%
Parent functions
call_user_func0 N/A% -450 -100.0% -186 -98.9% 0 N/A% 104 100.0%
db_insert0 N/A% 0 0.0% 1 0.5% 0 N/A% 0 0.0%
db_delete0 N/A% 0 0.0% -1 -0.5% 0 N/A% 0 0.0%
db_select0 N/A% 0 0.0% 1 0.5% 0 N/A% 0 0.0%
db_query0 N/A% 0 0.0% -1 -0.5% 0 N/A% 0 0.0%
db_query_range0 N/A% 0 0.0% -1 -0.5% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% -1 -0.5% 0 N/A% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% -450 -100.0% -186 -98.9% 0 N/A% 104 100.0%