Diff Report
Run #519de1c349c58: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de26535836: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519de1c349c58Run #519de26535836DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)130 121 -9 -6.9%
Incl. Wall Time (microsec) per call 43 40 -3 -6.9%
Excl. Wall Time (microsec)40 39 -1 -2.5%
Incl. CPU (microsecs)132 124 -8 -6.1%
Incl. CPU (microsecs) per call 44 41 -3 -6.1%
Excl. CPU (microsec)38 39 1 2.6%
Incl. MemUse (bytes)17,928 17,928 0 0.0%
Incl. MemUse (bytes) per call 5,976 5,976 0 0.0%
Excl. MemUse (bytes)-1,208 -1,208 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -9 -0.0% -8 -0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -11.1% 1 12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -9 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -8 -88.9% -7 -87.5% 0 N/A% 0 N/A%
unserialize@10 N/A% 0 0.0% -2 -25.0% 0 N/A% 0 N/A%