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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f237e5dec64Run #55f238230dd98DiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)9,276 9,804 528 5.7%
Incl. Wall Time (microsec) per call 299 316 17 5.7%
Excl. Wall Time (microsec)314 344 30 9.6%
Incl. MemUse (bytes)1,693,448 1,693,704 256 0.0%
Incl. MemUse (bytes) per call 54,627 54,636 8 0.0%
Excl. MemUse (bytes)-580,256 -580,280 -24 -0.0%
Incl. PeakMemUse (bytes)2,829,376 2,830,472 1,096 0.0%
Incl. PeakMemUse (bytes) per call 91,270 91,306 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 Function30 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%