Diff Report
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990ceb6ce00: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51990c6b6ce43Run #51990ceb6ce00DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)706 708 2 0.3%
Incl. Wall Time (microsec) per call 88 89 0 0.3%
Excl. Wall Time (microsec)112 110 -2 -1.8%
Incl. CPU (microsecs)623 624 1 0.2%
Incl. CPU (microsecs) per call 78 78 0 0.2%
Excl. CPU (microsec)102 100 -2 -2.0%
Incl. MemUse (bytes)82,304 82,280 -24 -0.0%
Incl. MemUse (bytes) per call 10,288 10,285 -3 -0.0%
Excl. MemUse (bytes)-13,112 -13,112 0 0.0%
Incl. PeakMemUse (bytes)77,584 77,560 -24 -0.0%
Incl. PeakMemUse (bytes) per call 9,698 9,695 -3 -0.0%
Excl. PeakMemUse (bytes)1,728 1,728 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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\Cache\DatabaseBackend::prepareItem@10 N/A% 2 0.4% 1 0.1% -24 -0.1% -24 -0.1%
Exclusive Metrics Diff for Current Function-2 -100.0% -2 -200.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 2 100.0% 1 100.0% -24 -100.0% -24 -100.0%
Child functions
unserialize@10 N/A% 7 350.0% 5 500.0% -24 -100.0% -16 -66.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -3 -150.0% -2 -200.0% 0 0.0% -8 -33.3%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%