Diff Report
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e79892b1de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #518e77f228c59Run #518e79892b1deDiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)22,019 22,092 73 0.3%
Incl. Wall Time (microsec) per call 324 325 1 0.3%
Excl. Wall Time (microsec)1,086 1,062 -24 -2.2%
Incl. CPU (microsecs)18,001 18,184 183 1.0%
Incl. CPU (microsecs) per call 265 267 3 1.0%
Excl. CPU (microsec)996 961 -35 -3.5%
Incl. MemUse (bytes)1,607,280 1,607,280 0 0.0%
Incl. MemUse (bytes) per call 23,636 23,636 0 0.0%
Excl. MemUse (bytes)-172,176 -172,176 0 0.0%
Incl. PeakMemUse (bytes)2,165,632 2,165,632 0 0.0%
Incl. PeakMemUse (bytes) per call 31,848 31,848 0 0.0%
Excl. PeakMemUse (bytes)9,792 9,792 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. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 73 146.0% 183 389.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-24 -32.9% -35 -19.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 73 100.0% 183 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 232 317.8% 94 51.4% 0 N/A% 0 N/A%
unserialize0 N/A% -130 -178.1% 125 68.3% 0 N/A% 0 N/A%
explode0 N/A% -5 -6.8% -1 -0.5% 0 N/A% 0 N/A%