Diff Report
Run #54df8f50b2e01: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54df8d322535a: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54df8f50b2e01Run #54df8d322535aDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)10,727 11,002 275 2.6%
Incl. Wall Time (microsec) per call 92 95 2 2.6%
Excl. Wall Time (microsec)906 895 -11 -1.2%
Incl. MemUse (bytes)1,921,936 1,960,792 38,856 2.0%
Incl. MemUse (bytes) per call 16,568 16,903 335 2.0%
Excl. MemUse (bytes)-925,736 -925,776 -40 -0.0%
Incl. PeakMemUse (bytes)2,879,696 2,920,952 41,256 1.4%
Incl. PeakMemUse (bytes) per call 24,825 25,181 356 1.4%
Excl. PeakMemUse (bytes)1,192 1,224 32 2.7%

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% 275 4.2% 38,856 0.5% 41,256 0.6%
Exclusive Metrics Diff for Current Function-11 -4.0% -40 -0.1% 32 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 275 100.0% 38,856 100.0% 41,256 100.0%
Child functions
unserialize0 N/A% 311 113.1% 38,856 100.0% 41,744 101.2%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -32 -11.6% 0 0.0% -552 -1.3%
explode0 N/A% 7 2.5% 40 0.1% 32 0.1%