Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)1,415 952 -463 -32.7%
Incl. Wall Time (microsec) per call 109 73 -36 -32.7%
Excl. Wall Time (microsec)53 54 1 1.9%
Incl. CPU (microsecs)774 583 -191 -24.7%
Incl. CPU (microsecs) per call 60 45 -15 -24.7%
Excl. CPU (microsec)71 66 -5 -7.0%
Incl. MemUse (bytes)159,680 159,680 0 0.0%
Incl. MemUse (bytes) per call 12,283 12,283 0 0.0%
Excl. MemUse (bytes)6,568 6,568 0 0.0%
Incl. PeakMemUse (bytes)153,304 153,304 0 0.0%
Incl. PeakMemUse (bytes) per call 11,793 11,793 0 0.0%
Excl. PeakMemUse (bytes)3,032 3,032 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% -463 -15.8% -191 -6.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.2% -5 -2.6% 0 N/A% 0 N/A%
Parent functions
call_user_func0 N/A% -463 -100.0% -187 -97.9% 0 N/A% 0 N/A%
db_query0 N/A% 1 0.2% 0 0.0% 0 N/A% 0 N/A%
db_delete0 N/A% -1 -0.2% -1 -0.5% 0 N/A% 0 N/A%
db_insert0 N/A% 0 0.0% 0 0.0% 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%
db_query_range0 N/A% 0 0.0% -2 -1.0% 0 N/A% 0 N/A%
db_select0 N/A% 0 0.0% -1 -0.5% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% -464 -100.2% -186 -97.4% 0 N/A% 0 N/A%