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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519abb02c8da6Run #519abd5ae932aDiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)57,635 57,978 343 0.6%
Incl. Wall Time (microsec) per call 476 479 3 0.6%
Excl. Wall Time (microsec)2,642 2,553 -89 -3.4%
Incl. CPU (microsecs)60,003 64,003 4,000 6.7%
Incl. CPU (microsecs) per call 496 529 33 6.7%
Excl. CPU (microsec)12,001 0 -12,001 -100.0%
Incl. MemUse (bytes)1,037,044 1,037,060 16 0.0%
Incl. MemUse (bytes) per call 8,571 8,571 0 0.0%
Excl. MemUse (bytes)-373,940 -373,936 4 0.0%
Incl. PeakMemUse (bytes)1,567,896 1,567,760 -136 -0.0%
Incl. PeakMemUse (bytes) per call 12,958 12,957 -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 Function-89 -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%