Diff Report
Run #54e141c217b7e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e146d617a96: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54e141c217b7eRun #54e146d617a96DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)9,529 8,773 -756 -7.9%
Incl. Wall Time (microsec) per call 108 100 -9 -7.9%
Excl. Wall Time (microsec)1,008 891 -117 -11.6%
Incl. MemUse (bytes)1,452,456 1,452,112 -344 -0.0%
Incl. MemUse (bytes) per call 16,505 16,501 -4 -0.0%
Excl. MemUse (bytes)-196,080 -196,056 24 0.0%
Incl. PeakMemUse (bytes)1,323,136 1,350,168 27,032 2.0%
Incl. PeakMemUse (bytes) per call 15,036 15,343 307 2.0%
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% -756 -1.0% -344 -0.0% 27,032 1.6%
Exclusive Metrics Diff for Current Function-117 -15.5% 24 7.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -756 -100.0% -344 -100.0% 27,032 100.0%
Child functions
unserialize0 N/A% -514 -68.0% -368 -107.0% 22,216 82.2%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -126 -16.7% 0 0.0% 4,768 17.6%
explode0 N/A% 1 0.1% 0 0.0% 48 0.2%