Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #51ec485525502Run #51ec489b18752DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)241 165 -76 -31.5%
Incl. Wall Time (microsec) per call 241 165 -76 -31.5%
Excl. Wall Time (microsec)50 16 -34 -68.0%
Incl. CPU (microsecs)243 167 -76 -31.3%
Incl. CPU (microsecs) per call 243 167 -76 -31.3%
Excl. CPU (microsec)46 14 -32 -69.6%
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)34,808 34,808 0 0.0%
Incl. PeakMemUse (bytes) per call 34,808 34,808 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% -76 -7.4% -76 -19.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-34 -44.7% -32 -42.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -76 -100.0% -76 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -35 -46.1% -38 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% -7 -9.2% -6 -7.9% 0 N/A% 0 N/A%