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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54df8d322535aRun #54df8f50b2e01DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,002 10,727 -275 -2.5%
Incl. Wall Time (microsec) per call 95 92 -2 -2.5%
Excl. Wall Time (microsec)895 906 11 1.2%
Incl. MemUse (bytes)1,960,792 1,921,936 -38,856 -2.0%
Incl. MemUse (bytes) per call 16,903 16,568 -335 -2.0%
Excl. MemUse (bytes)-925,776 -925,736 40 0.0%
Incl. PeakMemUse (bytes)2,920,952 2,879,696 -41,256 -1.4%
Incl. PeakMemUse (bytes) per call 25,181 24,825 -356 -1.4%
Excl. PeakMemUse (bytes)1,224 1,192 -32 -2.6%

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 Function11 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%