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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f2450b58930Run #55f2459f810afDiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)21,099 20,925 -174 -0.8%
Incl. Wall Time (microsec) per call 169 167 -1 -0.8%
Excl. Wall Time (microsec)1,175 1,159 -16 -1.4%
Incl. MemUse (bytes)4,256,920 4,257,288 368 0.0%
Incl. MemUse (bytes) per call 34,055 34,058 3 0.0%
Excl. MemUse (bytes)-1,092,664 -1,092,760 -96 -0.0%
Incl. PeakMemUse (bytes)6,055,056 6,058,768 3,712 0.1%
Incl. PeakMemUse (bytes) per call 48,440 48,470 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 Function-16 -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%