Diff Report
Run #54f283c5bb5f3: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f28d53cc42b: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54f283c5bb5f3Run #54f28d53cc42bDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)18,149 16,647 -1,502 -8.3%
Incl. Wall Time (microsec) per call 161 147 -13 -8.3%
Excl. Wall Time (microsec)1,326 1,225 -101 -7.6%
Incl. MemUse (bytes)1,995,824 1,995,680 -144 -0.0%
Incl. MemUse (bytes) per call 17,662 17,661 -1 -0.0%
Excl. MemUse (bytes)-933,296 -933,256 40 0.0%
Incl. PeakMemUse (bytes)3,012,776 3,012,760 -16 -0.0%
Incl. PeakMemUse (bytes) per call 26,662 26,662 -0 -0.0%
Excl. PeakMemUse (bytes)936 936 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% -1,502 -13.9% -144 -0.1% -16 -0.0%
Exclusive Metrics Diff for Current Function-101 -6.7% 40 27.8% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,502 -100.0% -144 -100.0% -16 -100.0%
Child functions
unserialize0 N/A% -985 -65.6% -184 -127.8% -16 -100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -387 -25.8% 0 0.0% 0 0.0%
explode0 N/A% -29 -1.9% 0 0.0% 0 0.0%