Diff Report
Run #54f283c5bb5f3: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54f28ca8966ab: 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 #54f28ca8966abDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)18,149 18,103 -46 -0.3%
Incl. Wall Time (microsec) per call 161 160 -0 -0.3%
Excl. Wall Time (microsec)1,326 1,327 1 0.1%
Incl. MemUse (bytes)1,995,824 1,995,704 -120 -0.0%
Incl. MemUse (bytes) per call 17,662 17,661 -1 -0.0%
Excl. MemUse (bytes)-933,296 -933,288 8 0.0%
Incl. PeakMemUse (bytes)3,012,776 3,012,840 64 0.0%
Incl. PeakMemUse (bytes) per call 26,662 26,662 1 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% -46 -1.0% -120 -0.1% 64 0.0%
Exclusive Metrics Diff for Current Function1 2.2% 8 6.7% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -46 -100.0% -120 -100.0% 64 100.0%
Child functions
unserialize0 N/A% -54 -117.4% -120 -100.0% 64 100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 20 43.5% 0 0.0% 0 0.0%
explode0 N/A% -13 -28.3% -8 -6.7% 0 0.0%