Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: 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 #51ec52a09990aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)225 204 -21 -9.3%
Incl. Wall Time (microsec) per call 225 204 -21 -9.3%
Excl. Wall Time (microsec)16 14 -2 -12.5%
Incl. CPU (microsecs)227 208 -19 -8.4%
Incl. CPU (microsecs) per call 227 208 -19 -8.4%
Excl. CPU (microsec)13 15 2 15.4%
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% -21 -0.5% -19 -0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -9.5% 2 10.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -21 -100.0% -19 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -17 -81.0% -16 -84.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% -2 -9.5% -5 -26.3% 0 N/A% 0 N/A%