Diff Report
Run #51a184d5a049b: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a184397f8eb: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a184d5a049bRun #51a184397f8ebDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)25,067 25,205 138 0.6%
Incl. Wall Time (microsec) per call 285 286 2 0.6%
Excl. Wall Time (microsec)2,145 2,146 1 0.0%
Incl. CPU (microsecs)24,001 28,001 4,000 16.7%
Incl. CPU (microsecs) per call 273 318 45 16.7%
Excl. CPU (microsec)8,000 0 -8,000 -100.0%
Incl. MemUse (bytes)887,124 887,124 0 0.0%
Incl. MemUse (bytes) per call 10,081 10,081 0 0.0%
Excl. MemUse (bytes)-235,672 -235,672 0 0.0%
Incl. PeakMemUse (bytes)1,250,904 1,250,904 0 0.0%
Incl. PeakMemUse (bytes) per call 14,215 14,215 0 0.0%
Excl. PeakMemUse (bytes)3,076 3,076 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% 138 10.4% 4,000 400000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.7% -8,000 -200.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 138 100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 89 64.5% -1 -0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 45 32.6% 12,001 300.0% 0 N/A% 0 N/A%
explode0 N/A% 3 2.2% 0 0.0% 0 N/A% 0 N/A%