Diff Report
Run #54dec09b09eb9: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54dec1ab3dfb1: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54dec09b09eb9Run #54dec1ab3dfb1DiffDiff%
Number of Function Calls228 228 0 0.0%
Incl. Wall Time (microsec)13,436 13,583 147 1.1%
Incl. Wall Time (microsec) per call 59 60 1 1.1%
Excl. Wall Time (microsec)1,900 1,926 26 1.4%
Incl. MemUse (bytes)1,873,896 1,873,896 0 0.0%
Incl. MemUse (bytes) per call 8,219 8,219 0 0.0%
Excl. MemUse (bytes)-909,592 -909,592 0 0.0%
Incl. PeakMemUse (bytes)2,909,464 2,909,464 0 0.0%
Incl. PeakMemUse (bytes) per call 12,761 12,761 0 0.0%
Excl. PeakMemUse (bytes)680 680 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 147 6.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function26 17.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 147 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 79 53.7% 0 N/A% 0 N/A%
unserialize0 N/A% 47 32.0% 0 N/A% 0 N/A%
explode0 N/A% -5 -3.4% 0 N/A% 0 N/A%