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\Connection::merge

Drupal\Core\Database\Connection::mergeRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)225 231 6 2.7%
Incl. Wall Time (microsec) per call 225 231 6 2.7%
Excl. Wall Time (microsec)16 15 -1 -6.2%
Incl. CPU (microsecs)227 232 5 2.2%
Incl. CPU (microsecs) per call 227 232 5 2.2%
Excl. CPU (microsec)13 10 -3 -23.1%
Incl. MemUse (bytes)56,288 56,288 0 0.0%
Incl. MemUse (bytes) per call 56,288 56,288 0 0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)35,024 35,024 0 0.0%
Incl. PeakMemUse (bytes) per call 35,024 35,024 0 0.0%
Excl. PeakMemUse (bytes)1,504 1,504 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::merge [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\Connection::merge0 N/A% 6 0.2% 5 0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -16.7% -3 -60.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 6 100.0% 5 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 6 100.0% 6 120.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% 1 16.7% 2 40.0% 0 N/A% 0 N/A%