Diff Report
Run #54e157d33da83: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e1529b7f3e4: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54e157d33da83Run #54e1529b7f3e4DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)8,481 9,423 942 11.1%
Incl. Wall Time (microsec) per call 96 107 11 11.1%
Excl. Wall Time (microsec)875 1,002 127 14.5%
Incl. MemUse (bytes)1,452,112 1,452,456 344 0.0%
Incl. MemUse (bytes) per call 16,501 16,505 4 0.0%
Excl. MemUse (bytes)-196,056 -196,080 -24 -0.0%
Incl. PeakMemUse (bytes)1,350,168 1,323,136 -27,032 -2.0%
Incl. PeakMemUse (bytes) per call 15,343 15,036 -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% 942 1.1% 344 0.0% -27,032 -1.6%
Exclusive Metrics Diff for Current Function127 13.5% -24 -7.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 942 100.0% 344 100.0% -27,032 -100.0%
Child functions
unserialize0 N/A% 562 59.7% 368 107.0% -22,216 -82.2%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 251 26.6% 0 0.0% -4,768 -17.6%
explode0 N/A% 2 0.2% 0 0.0% -48 -0.2%