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

Drupal\Core\Database\Database::getConnectionRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls5 4 -1 -20.0%
Incl. Wall Time (microsec)655 616 -39 -6.0%
Incl. Wall Time (microsec) per call 131 154 23 17.6%
Excl. Wall Time (microsec)26 20 -6 -23.1%
Incl. CPU (microsecs)449 421 -28 -6.2%
Incl. CPU (microsecs) per call 90 105 15 17.2%
Excl. CPU (microsec)30 23 -7 -23.3%
Incl. MemUse (bytes)155,856 154,736 -1,120 -0.7%
Incl. MemUse (bytes) per call 31,171 38,684 7,513 24.1%
Excl. MemUse (bytes)4,136 3,344 -792 -19.1%
Incl. PeakMemUse (bytes)151,640 151,024 -616 -0.4%
Incl. PeakMemUse (bytes) per call 30,328 37,756 7,428 24.5%
Excl. PeakMemUse (bytes)2,032 1,744 -288 -14.2%

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::getConnection-1 -100.0% -39 -3.3% -28 -2.8% -1,120 -1.4% -616 -0.8%
Exclusive Metrics Diff for Current Function-6 -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_query-1 -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%