Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)379 318 -61 -16.1%
Incl. Wall Time (microsec) per call 379 318 -61 -16.1%
Excl. Wall Time (microsec)11 10 -1 -9.1%
Incl. CPU (microsecs)381 319 -62 -16.3%
Incl. CPU (microsecs) per call 381 319 -62 -16.3%
Excl. CPU (microsec)10 7 -3 -30.0%
Incl. MemUse (bytes)110,336 110,336 0 0.0%
Incl. MemUse (bytes) per call 110,336 110,336 0 0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -61 -2.7% -62 -3.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -1.6% -3 -4.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -61 -100.0% -62 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -44 -72.1% -43 -69.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% -16 -26.2% -16 -25.8% 0 N/A% 0 N/A%