Diff Report
Run #51a518f009231: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a524e76a9fb: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a518f009231Run #51a524e76a9fbDiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)23,071 23,212 141 0.6%
Incl. Wall Time (microsec) per call 320 322 2 0.6%
Excl. Wall Time (microsec)1,768 1,775 7 0.4%
Incl. CPU (microsecs)16,001 36,002 20,001 125.0%
Incl. CPU (microsecs) per call 222 500 278 125.0%
Excl. CPU (microsec)4,000 8,001 4,001 100.0%
Incl. MemUse (bytes)728,996 728,996 0 0.0%
Incl. MemUse (bytes) per call 10,125 10,125 0 0.0%
Excl. MemUse (bytes)-177,544 -177,544 0 0.0%
Incl. PeakMemUse (bytes)911,116 911,116 0 0.0%
Incl. PeakMemUse (bytes) per call 12,654 12,654 0 0.0%
Excl. PeakMemUse (bytes)1,568 1,568 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. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 141 22.1% 20,001 499.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 5.0% 4,001 20.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 141 100.0% 20,001 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -1 -0.7% 16,001 80.0% 0 N/A% 0 N/A%
unserialize0 N/A% 137 97.2% -1 -0.0% 0 N/A% 0 N/A%
explode0 N/A% -2 -1.4% 0 0.0% 0 N/A% 0 N/A%