Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)183 179 -4 -2.2%
Incl. Wall Time (microsec) per call 183 179 -4 -2.2%
Excl. Wall Time (microsec)12 12 0 0.0%
Incl. CPU (microsecs)189 183 -6 -3.2%
Incl. CPU (microsecs) per call 189 183 -6 -3.2%
Excl. CPU (microsec)13 14 1 7.7%
Incl. MemUse (bytes)56,272 56,272 0 0.0%
Incl. MemUse (bytes) per call 56,272 56,272 0 0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)34,832 34,776 -56 -0.2%
Incl. PeakMemUse (bytes) per call 34,832 34,776 -56 -0.2%
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% -4 -0.2% -6 -0.8% 0 N/A% -56 N/A%
Exclusive Metrics Diff for Current Function0 0.0% 1 16.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -4 -100.0% -6 -100.0% 0 N/A% -56 -100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -4 -100.0% -6 -100.0% 0 N/A% -56 -100.0%
Drupal\Core\Database\Query\Merge::__construct0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 0.0%