Diff Report
Run #54f295e72ec52: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f29712d4f96: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54f295e72ec52Run #54f29712d4f96DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,068 11,122 54 0.5%
Incl. Wall Time (microsec) per call 95 96 0 0.5%
Excl. Wall Time (microsec)882 886 4 0.5%
Incl. MemUse (bytes)2,023,656 2,023,504 -152 -0.0%
Incl. MemUse (bytes) per call 17,445 17,444 -1 -0.0%
Excl. MemUse (bytes)-939,376 -939,336 40 0.0%
Incl. PeakMemUse (bytes)3,006,088 3,006,008 -80 -0.0%
Incl. PeakMemUse (bytes) per call 25,915 25,914 -1 -0.0%
Excl. PeakMemUse (bytes)872 872 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% 54 0.1% -152 -0.3% -80 -0.1%
Exclusive Metrics Diff for Current Function4 7.4% 40 26.3% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 54 100.0% -152 -100.0% -80 -100.0%
Child functions
unserialize0 N/A% 87 161.1% -192 -126.3% -80 -100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -38 -70.4% 0 0.0% 0 0.0%
explode0 N/A% 1 1.9% 0 0.0% 0 0.0%