Diff Report
Run #54f29a0893b1f: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f29b385ace9: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54f29a0893b1fRun #54f29b385ace9DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,090 11,471 381 3.4%
Incl. Wall Time (microsec) per call 96 99 3 3.4%
Excl. Wall Time (microsec)873 914 41 4.7%
Incl. MemUse (bytes)2,023,656 2,023,496 -160 -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 3,005,904 -184 -0.0%
Incl. PeakMemUse (bytes) per call 25,915 25,913 -2 -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% 381 0.4% -160 -0.2% -184 -0.2%
Exclusive Metrics Diff for Current Function41 10.8% 40 25.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 381 100.0% -160 -100.0% -184 -100.0%
Child functions
unserialize0 N/A% 274 71.9% -192 -120.0% -184 -100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 60 15.7% 0 0.0% 0 0.0%
explode0 N/A% 6 1.6% -8 -5.0% 0 0.0%