Diff Report
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #5391fd5a43e70Run #5391fc871e91dDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)297 281 -16 -5.4%
Incl. Wall Time (microsec) per call 149 141 -8 -5.4%
Excl. Wall Time (microsec)31 29 -2 -6.5%
Incl. CPU (microsecs)301 284 -17 -5.6%
Incl. CPU (microsecs) per call 151 142 -9 -5.6%
Excl. CPU (microsec)30 28 -2 -6.7%
Incl. MemUse (bytes)33,716 33,716 0 0.0%
Incl. MemUse (bytes) per call 16,858 16,858 0 0.0%
Excl. MemUse (bytes)1,512 1,512 0 0.0%
Incl. PeakMemUse (bytes)31,360 31,360 0 0.0%
Incl. PeakMemUse (bytes) per call 15,680 15,680 0 0.0%
Excl. PeakMemUse (bytes)1,296 1,296 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% -16 -1.0% -17 -4.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -12.5% -2 -11.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire0 N/A% -16 -100.0% -17 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Merge::__construct0 N/A% -10 -62.5% -10 -58.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -4 -25.0% -5 -29.4% 0 N/A% 0 N/A%