Diff Report
Run #550de0b43acdf: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #550de112c2927: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #550de0b43acdfRun #550de112c2927DiffDiff%
Number of Function Calls17 17 0 0.0%
Incl. Wall Time (microsec)2,786 2,562 -224 -8.0%
Incl. Wall Time (microsec) per call 164 151 -13 -8.0%
Excl. Wall Time (microsec)226 205 -21 -9.3%
Incl. MemUse (bytes)247,496 232,192 -15,304 -6.2%
Incl. MemUse (bytes) per call 14,559 13,658 -900 -6.2%
Excl. MemUse (bytes)-30,240 -27,264 2,976 9.8%
Incl. PeakMemUse (bytes)221,344 203,208 -18,136 -8.2%
Incl. PeakMemUse (bytes) per call 13,020 11,953 -1,067 -8.2%
Excl. PeakMemUse (bytes)680 680 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% -224 -1.9% -15,304 -363.0% -18,136 -539.8%
Exclusive Metrics Diff for Current Function-21 -9.4% 2,976 19.4% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -224 -100.0% -15,304 -100.0% -18,136 -100.0%
Child functions
unserialize0 N/A% -121 -54.0% -18,280 -119.4% -18,136 -100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -81 -36.2% 0 0.0% 0 0.0%
explode0 N/A% -1 -0.4% 0 0.0% 0 0.0%