Diff Report
Run #565914310b034: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659123816918: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #565914310b034Run #5659123816918DiffDiff%
Number of Function Calls21 21 0 0.0%
Incl. Wall Time (microsec)6,966 6,988 22 0.3%
Incl. Wall Time (microsec) per call 332 333 1 0.3%
Excl. Wall Time (microsec)317 318 1 0.3%
Incl. MemUse (bytes)955,432 955,592 160 0.0%
Incl. MemUse (bytes) per call 45,497 45,504 8 0.0%
Excl. MemUse (bytes)-1,397,744 -1,397,736 8 0.0%
Incl. PeakMemUse (bytes)2,130,112 2,128,776 -1,336 -0.1%
Incl. PeakMemUse (bytes) per call 101,434 101,370 -64 -0.1%
Excl. PeakMemUse (bytes)744 744 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% 22 1.6% 160 7.6% -1,336 -50.8%
Exclusive Metrics Diff for Current Function1 4.5% 8 5.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 22 100.0% 160 100.0% -1,336 -100.0%
Child functions
unserialize0 N/A% 15 68.2% 112 70.0% -408 -30.5%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 14 63.6% 40 25.0% -928 -69.5%
spl_autoload_call0 N/A% -7 -31.8% 0 0.0% 0 0.0%
explode0 N/A% -1 -4.5% 0 0.0% 0 0.0%