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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a184397f8ebRun #51a184d5a049bDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)25,205 25,067 -138 -0.5%
Incl. Wall Time (microsec) per call 286 285 -2 -0.5%
Excl. Wall Time (microsec)2,146 2,145 -1 -0.0%
Incl. CPU (microsecs)28,001 24,001 -4,000 -14.3%
Incl. CPU (microsecs) per call 318 273 -45 -14.3%
Excl. CPU (microsec)0 8,000 8,000 N/A%
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 Function-1 -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%