Diff Report
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e79892b1de: 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 #518e77f228c59Run #518e79892b1deDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)738 663 -75 -10.2%
Incl. Wall Time (microsec) per call 105 95 -11 -10.2%
Excl. Wall Time (microsec)95 93 -2 -2.1%
Incl. CPU (microsecs)606 542 -64 -10.6%
Incl. CPU (microsecs) per call 87 77 -9 -10.6%
Excl. CPU (microsec)80 82 2 2.5%
Incl. MemUse (bytes)75,912 75,912 0 0.0%
Incl. MemUse (bytes) per call 10,845 10,845 0 0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)74,064 74,064 0 0.0%
Incl. PeakMemUse (bytes) per call 10,581 10,581 0 0.0%
Excl. PeakMemUse (bytes)2,208 2,208 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% -75 -150.0% -64 -136.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -2.7% 2 3.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -75 -100.0% -64 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -65 -86.7% -63 -98.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -8 -10.7% -2 -3.1% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%