Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,381 995 -386 -28.0%
Incl. Wall Time (microsec) per call 138 100 -39 -28.0%
Excl. Wall Time (microsec)44 47 3 6.8%
Incl. CPU (microsecs)758 570 -188 -24.8%
Incl. CPU (microsecs) per call 76 57 -19 -24.8%
Excl. CPU (microsec)58 60 2 3.4%
Incl. MemUse (bytes)159,696 159,680 -16 -0.0%
Incl. MemUse (bytes) per call 15,970 15,968 -2 -0.0%
Excl. MemUse (bytes)6,568 6,568 0 0.0%
Incl. PeakMemUse (bytes)153,320 153,304 -16 -0.0%
Incl. PeakMemUse (bytes) per call 15,332 15,330 -2 -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% -386 -103.2% -188 -17.8% -16 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function3 0.8% 2 1.1% 0 0.0% 0 0.0%
Parent functions
call_user_func0 N/A% -388 -100.5% -190 -101.1% -16 -100.0% -16 -100.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
db_insert0 N/A% 1 0.3% 3 1.6% 0 0.0% 0 0.0%
db_delete0 N/A% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
db_query0 N/A% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
db_query_range0 N/A% 0 0.0% -1 -0.5% 0 0.0% 0 0.0%
db_select0 N/A% 0 0.0% -2 -1.1% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% -389 -100.8% -190 -101.1% -16 -100.0% -16 -100.0%