Diff Report
Run #54e199664caef: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e1a1589bdae: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54e199664caefRun #54e1a1589bdaeDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)8,546 9,101 555 6.5%
Incl. Wall Time (microsec) per call 97 103 6 6.5%
Excl. Wall Time (microsec)940 910 -30 -3.2%
Incl. MemUse (bytes)1,452,496 1,452,496 0 0.0%
Incl. MemUse (bytes) per call 16,506 16,506 0 0.0%
Excl. MemUse (bytes)-196,056 -196,056 0 0.0%
Incl. PeakMemUse (bytes)1,323,360 1,323,360 0 0.0%
Incl. PeakMemUse (bytes) per call 15,038 15,038 0 0.0%
Excl. PeakMemUse (bytes)560 560 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% 555 31.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-30 -5.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 555 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 429 77.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 159 28.6% 0 N/A% 0 N/A%
explode0 N/A% -3 -0.5% 0 N/A% 0 N/A%