Diff Report
Run #55f2459f810af: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f2450b58930: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f2459f810afRun #55f2450b58930DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)20,925 21,099 174 0.8%
Incl. Wall Time (microsec) per call 167 169 1 0.8%
Excl. Wall Time (microsec)1,159 1,175 16 1.4%
Incl. MemUse (bytes)4,257,288 4,256,920 -368 -0.0%
Incl. MemUse (bytes) per call 34,058 34,055 -3 -0.0%
Excl. MemUse (bytes)-1,092,760 -1,092,664 96 0.0%
Incl. PeakMemUse (bytes)6,058,768 6,055,056 -3,712 -0.1%
Incl. PeakMemUse (bytes) per call 48,470 48,440 -30 -0.1%
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% 174 1.8% -368 -0.4% -3,712 -3.7%
Exclusive Metrics Diff for Current Function16 9.2% 96 26.1% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 174 100.0% -368 -100.0% -3,712 -100.0%
Child functions
unserialize0 N/A% 212 121.8% -464 -126.1% -3,472 -93.5%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -50 -28.7% 0 0.0% -240 -6.5%
spl_autoload_call0 N/A% -4 -2.3% 0 0.0% 0 0.0%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0%