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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a524e76a9fbRun #51a518f009231DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)23,212 23,071 -141 -0.6%
Incl. Wall Time (microsec) per call 322 320 -2 -0.6%
Excl. Wall Time (microsec)1,775 1,768 -7 -0.4%
Incl. CPU (microsecs)36,002 16,001 -20,001 -55.6%
Incl. CPU (microsecs) per call 500 222 -278 -55.6%
Excl. CPU (microsec)8,001 4,000 -4,001 -50.0%
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 Function-7 -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
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%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 1 0.7% -16,001 -80.0% 0 N/A% 0 N/A%