Diff Report
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a188a760170: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a188154f4e0Run #51a188a760170DiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)22,009 21,685 -324 -1.5%
Incl. Wall Time (microsec) per call 349 344 -5 -1.5%
Excl. Wall Time (microsec)1,504 1,522 18 1.2%
Incl. CPU (microsecs)20,000 16,001 -3,999 -20.0%
Incl. CPU (microsecs) per call 317 254 -63 -20.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)689,240 689,240 0 0.0%
Incl. MemUse (bytes) per call 10,940 10,940 0 0.0%
Excl. MemUse (bytes)-167,836 -167,836 0 0.0%
Incl. PeakMemUse (bytes)949,260 949,260 0 0.0%
Incl. PeakMemUse (bytes) per call 15,068 15,068 0 0.0%
Excl. PeakMemUse (bytes)2,148 2,148 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% -324 -9.0% -3,999 -399900.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function18 5.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -324 -100.0% -3,999 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -251 -77.5% 1 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -87 -26.9% -4,000 -100.0% 0 N/A% 0 N/A%
explode0 N/A% -4 -1.2% 0 0.0% 0 N/A% 0 N/A%