Diff Report
Run #51e221c38f48f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e2215579f70: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #51e221c38f48fRun #51e2215579f70DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)194 190 -4 -2.1%
Incl. Wall Time (microsec) per call 194 190 -4 -2.1%
Excl. Wall Time (microsec)14 10 -4 -28.6%
Incl. CPU (microsecs)194 192 -2 -1.0%
Incl. CPU (microsecs) per call 194 192 -2 -1.0%
Excl. CPU (microsec)12 11 -1 -8.3%
Incl. MemUse (bytes)56,312 56,312 0 0.0%
Incl. MemUse (bytes) per call 56,312 56,312 0 0.0%
Excl. MemUse (bytes)2,480 2,480 0 0.0%
Incl. PeakMemUse (bytes)49,224 49,720 496 1.0%
Incl. PeakMemUse (bytes) per call 49,224 49,720 496 1.0%
Excl. PeakMemUse (bytes)2,168 2,168 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 -2.6% -2 -0.2% 0 0.0% 496 1.9%
Exclusive Metrics Diff for Current Function-4 -100.0% -1 -50.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -4 -100.0% -2 -100.0% 0 N/A% 496 100.0%
Child functions
Drupal\Core\Database\Query\Merge::__construct0 N/A% 3 75.0% 2 100.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -3 -75.0% -3 -150.0% 0 N/A% 496 100.0%