Diff Report
Run #519abd5ae932a: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519abb02c8da6: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519abd5ae932aRun #519abb02c8da6DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)57,978 57,635 -343 -0.6%
Incl. Wall Time (microsec) per call 479 476 -3 -0.6%
Excl. Wall Time (microsec)2,553 2,642 89 3.5%
Incl. CPU (microsecs)64,003 60,003 -4,000 -6.2%
Incl. CPU (microsecs) per call 529 496 -33 -6.2%
Excl. CPU (microsec)0 12,001 12,001 N/A%
Incl. MemUse (bytes)1,037,060 1,037,044 -16 -0.0%
Incl. MemUse (bytes) per call 8,571 8,571 -0 -0.0%
Excl. MemUse (bytes)-373,936 -373,940 -4 -0.0%
Incl. PeakMemUse (bytes)1,567,760 1,567,896 136 0.0%
Incl. PeakMemUse (bytes) per call 12,957 12,958 1 0.0%
Excl. PeakMemUse (bytes)4,144 4,144 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% -343 -0.2% -4,000 -2.9% -16 -0.0% 136 0.5%
Exclusive Metrics Diff for Current Function89 25.9% 12,001 300.0% -4 -25.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -343 -100.0% -4,000 -100.0% -16 -100.0% 136 100.0%
Child functions
unserialize0 N/A% -330 -96.2% 0 0.0% -12 -75.0% 32 23.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -104 -30.3% -16,001 -400.0% 0 0.0% 128 94.1%
explode0 N/A% 2 0.6% 0 0.0% 0 0.0% -24 -17.6%