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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #553ba42a8e87eRun #553b9a86a14e1DiffDiff%
Number of Function Calls477 477 0 0.0%
Incl. Wall Time (microsec)26,711 27,059 348 1.3%
Incl. Wall Time (microsec) per call 56 57 1 1.3%
Excl. Wall Time (microsec)2,412 2,376 -36 -1.5%
Incl. MemUse (bytes)4,349,848 4,346,480 -3,368 -0.1%
Incl. MemUse (bytes) per call 9,119 9,112 -7 -0.1%
Excl. MemUse (bytes)-595,456 -595,440 16 0.0%
Incl. PeakMemUse (bytes)4,389,984 4,313,280 -76,704 -1.7%
Incl. PeakMemUse (bytes) per call 9,203 9,043 -161 -1.7%
Excl. PeakMemUse (bytes)600 560 -40 -6.7%

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 Function-36 -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
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 767 220.4% 64 1.9% -2,400 -3.1%
unserialize0 N/A% -358 -102.9% -3,464 -102.9% -74,224 -96.8%
explode0 N/A% -25 -7.2% 16 0.5% -40 -0.1%