Diff Report
Run #553b9a86a14e1: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #553ba00bcf766: 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 #553ba00bcf766DiffDiff%
Number of Function Calls477 477 0 0.0%
Incl. Wall Time (microsec)27,059 27,520 461 1.7%
Incl. Wall Time (microsec) per call 57 58 1 1.7%
Excl. Wall Time (microsec)2,376 2,430 54 2.3%
Incl. MemUse (bytes)4,346,480 4,347,248 768 0.0%
Incl. MemUse (bytes) per call 9,112 9,114 2 0.0%
Excl. MemUse (bytes)-595,440 -595,424 16 0.0%
Incl. PeakMemUse (bytes)4,313,280 4,291,216 -22,064 -0.5%
Incl. PeakMemUse (bytes) per call 9,043 8,996 -46 -0.5%
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% 461 1.3% 768 0.1% -22,064 -1.9%
Exclusive Metrics Diff for Current Function54 11.7% 16 2.1% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 461 100.0% 768 100.0% -22,064 -100.0%
Child functions
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 463 100.4% -48 -6.2% 1,680 7.6%
unserialize0 N/A% -75 -16.3% 776 101.0% -23,744 -107.6%
explode0 N/A% 19 4.1% 24 3.1% 0 0.0%