Diff Report
Run #55f237e5dec64: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f23808ec628: 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 #55f23808ec628DiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)9,276 9,404 128 1.4%
Incl. Wall Time (microsec) per call 299 303 4 1.4%
Excl. Wall Time (microsec)314 335 21 6.7%
Incl. MemUse (bytes)1,693,448 1,693,448 0 0.0%
Incl. MemUse (bytes) per call 54,627 54,627 0 0.0%
Excl. MemUse (bytes)-580,256 -580,256 0 0.0%
Incl. PeakMemUse (bytes)2,829,376 2,829,352 -24 -0.0%
Incl. PeakMemUse (bytes) per call 91,270 91,269 -1 -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% 128 14.4% 0 0.0% -24 -60.0%
Exclusive Metrics Diff for Current Function21 16.4% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 128 100.0% 0 N/A% -24 -100.0%
Child functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 92 71.9% 0 N/A% -24 -100.0%
spl_autoload_call0 N/A% 14 10.9% 0 N/A% 0 0.0%
explode0 N/A% 2 1.6% 0 N/A% 0 0.0%
unserialize0 N/A% -1 -0.8% 0 N/A% 0 0.0%