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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54f29b385ace9Run #54f29a0893b1fDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,471 11,090 -381 -3.3%
Incl. Wall Time (microsec) per call 99 96 -3 -3.3%
Excl. Wall Time (microsec)914 873 -41 -4.5%
Incl. MemUse (bytes)2,023,496 2,023,656 160 0.0%
Incl. MemUse (bytes) per call 17,444 17,445 1 0.0%
Excl. MemUse (bytes)-939,336 -939,376 -40 -0.0%
Incl. PeakMemUse (bytes)3,005,904 3,006,088 184 0.0%
Incl. PeakMemUse (bytes) per call 25,913 25,915 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 Function-41 -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%