Diff Report
Run #55f238230dd98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f237e5dec64: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f238230dd98Run #55f237e5dec64DiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)9,804 9,276 -528 -5.4%
Incl. Wall Time (microsec) per call 316 299 -17 -5.4%
Excl. Wall Time (microsec)344 314 -30 -8.7%
Incl. MemUse (bytes)1,693,704 1,693,448 -256 -0.0%
Incl. MemUse (bytes) per call 54,636 54,627 -8 -0.0%
Excl. MemUse (bytes)-580,280 -580,256 24 0.0%
Incl. PeakMemUse (bytes)2,830,472 2,829,376 -1,096 -0.0%
Incl. PeakMemUse (bytes) per call 91,306 91,270 -35 -0.0%
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% -528 -24.3% -256 -246.2% -1,096 -171.2%
Exclusive Metrics Diff for Current Function-30 -5.7% 24 9.4% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -528 -100.0% -256 -100.0% -1,096 -100.0%
Child functions
unserialize0 N/A% -276 -52.3% -280 -109.4% -1,152 -105.1%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -209 -39.6% 0 0.0% 56 5.1%
spl_autoload_call0 N/A% -11 -2.1% 0 0.0% 0 0.0%
explode0 N/A% -2 -0.4% 0 0.0% 0 0.0%