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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54f29712d4f96Run #54f295e72ec52DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,122 11,068 -54 -0.5%
Incl. Wall Time (microsec) per call 96 95 -0 -0.5%
Excl. Wall Time (microsec)886 882 -4 -0.5%
Incl. MemUse (bytes)2,023,504 2,023,656 152 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)3,006,008 3,006,088 80 0.0%
Incl. PeakMemUse (bytes) per call 25,914 25,915 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 Function-4 -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%