Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4887d3a25: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #519a4774889ddRun #519a4887d3a25DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)4,645 23,480 18,835 405.5%
Incl. Wall Time (microsec) per call 2,323 11,740 9,418 405.5%
Excl. Wall Time (microsec)136 714 578 425.0%
Incl. CPU (microsecs)4,000 4,000 0 0.0%
Incl. CPU (microsecs) per call 2,000 2,000 0 0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)168,776 168,776 0 0.0%
Incl. MemUse (bytes) per call 84,388 84,388 0 0.0%
Excl. MemUse (bytes)8,960 8,960 0 0.0%
Incl. PeakMemUse (bytes)161,736 161,920 184 0.1%
Incl. PeakMemUse (bytes) per call 80,868 80,960 92 0.1%
Excl. PeakMemUse (bytes)5,120 5,120 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% 18,835 0.1% 0 0.0% 0 0.0% 184 12.2%
Exclusive Metrics Diff for Current Function578 3.1% 0 N/A% 0 N/A% 0 0.0%
Parent function
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire0 N/A% 18,835 100.0% 0 N/A% 0 N/A% 184 100.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 16,115 85.6% 0 N/A% 0 N/A% 184 100.0%
Drupal\Core\Database\Query\Merge::__construct0 N/A% 2,142 11.4% 0 N/A% 0 N/A% 0 0.0%