Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)179 216 37 20.7%
Incl. Wall Time (microsec) per call 179 216 37 20.7%
Excl. Wall Time (microsec)12 17 5 41.7%
Incl. CPU (microsecs)183 217 34 18.6%
Incl. CPU (microsecs) per call 183 217 34 18.6%
Excl. CPU (microsec)14 15 1 7.1%
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)34,776 34,776 0 0.0%
Incl. PeakMemUse (bytes) per call 34,776 34,776 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% 37 9.9% 34 3.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function5 13.5% 1 2.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 37 100.0% 34 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 36 97.3% 37 108.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% -4 -10.8% -4 -11.8% 0 N/A% 0 N/A%