Diff Report
Run #553b9a86a14e1: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #553ba42a8e87e: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #553b9a86a14e1Run #553ba42a8e87eDiffDiff%
Number of Function Calls477 477 0 0.0%
Incl. Wall Time (microsec)27,059 26,711 -348 -1.3%
Incl. Wall Time (microsec) per call 57 56 -1 -1.3%
Excl. Wall Time (microsec)2,376 2,412 36 1.5%
Incl. MemUse (bytes)4,346,480 4,349,848 3,368 0.1%
Incl. MemUse (bytes) per call 9,112 9,119 7 0.1%
Excl. MemUse (bytes)-595,440 -595,456 -16 -0.0%
Incl. PeakMemUse (bytes)4,313,280 4,389,984 76,704 1.8%
Incl. PeakMemUse (bytes) per call 9,043 9,203 161 1.8%
Excl. PeakMemUse (bytes)560 600 40 7.1%

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% -348 -0.1% 3,368 0.2% 76,704 4.6%
Exclusive Metrics Diff for Current Function36 10.3% -16 -0.5% 40 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -348 -100.0% 3,368 100.0% 76,704 100.0%
Child functions
unserialize0 N/A% 358 102.9% 3,464 102.9% 74,224 96.8%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -767 -220.4% -64 -1.9% 2,400 3.1%
explode0 N/A% 25 7.2% -16 -0.5% 40 0.1%