Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls4 5 1 25.0%
Incl. Wall Time (microsec)616 655 39 6.3%
Incl. Wall Time (microsec) per call 154 131 -23 -14.9%
Excl. Wall Time (microsec)20 26 6 30.0%
Incl. CPU (microsecs)421 449 28 6.7%
Incl. CPU (microsecs) per call 105 90 -15 -14.7%
Excl. CPU (microsec)23 30 7 30.4%
Incl. MemUse (bytes)154,736 155,856 1,120 0.7%
Incl. MemUse (bytes) per call 38,684 31,171 -7,513 -19.4%
Excl. MemUse (bytes)3,344 4,136 792 23.7%
Incl. PeakMemUse (bytes)151,024 151,640 616 0.4%
Incl. PeakMemUse (bytes) per call 37,756 30,328 -7,428 -19.7%
Excl. PeakMemUse (bytes)1,744 2,032 288 16.5%

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::getConnection1 100.0% 39 3.3% 28 2.8% 1,120 1.4% 616 0.8%
Exclusive Metrics Diff for Current Function6 15.4% 7 25.0% 792 70.7% 288 46.8%
Parent functions
call_user_func0 0.0% 33 84.6% 21 75.0% 328 29.3% 328 53.2%
db_query1 100.0% 5 12.8% 6 21.4% 792 70.7% 288 46.8%
db_select0 0.0% 1 2.6% 0 0.0% 0 0.0% 0 0.0%
db_query_range0 0.0% 0 0.0% 1 3.6% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 33 84.6% 21 75.0% 328 29.3% 328 53.2%