Diff Report
Run #54e17147d69ca: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e177a08308d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54e17147d69caRun #54e177a08308dDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)8,839 9,535 696 7.9%
Incl. Wall Time (microsec) per call 100 108 8 7.9%
Excl. Wall Time (microsec)920 1,016 96 10.4%
Incl. MemUse (bytes)1,452,560 1,452,024 -536 -0.0%
Incl. MemUse (bytes) per call 16,506 16,500 -6 -0.0%
Excl. MemUse (bytes)-196,048 -196,024 24 0.0%
Incl. PeakMemUse (bytes)1,323,360 1,323,272 -88 -0.0%
Incl. PeakMemUse (bytes) per call 15,038 15,037 -1 -0.0%
Excl. PeakMemUse (bytes)560 592 32 5.7%

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% 696 0.6% -536 -2.4% -88 -0.4%
Exclusive Metrics Diff for Current Function96 13.8% 24 4.5% 32 36.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 696 100.0% -536 -100.0% -88 -100.0%
Child functions
unserialize0 N/A% 435 62.5% -584 -109.0% -136 -154.5%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 160 23.0% 24 4.5% 16 18.2%
explode0 N/A% 5 0.7% 0 0.0% 0 0.0%