Diff Report
Run #519de2415c35a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de1c349c58: 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 #519de2415c35aRun #519de1c349c58DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)119 130 11 9.2%
Incl. Wall Time (microsec) per call 40 43 4 9.2%
Excl. Wall Time (microsec)37 40 3 8.1%
Incl. CPU (microsecs)122 132 10 8.2%
Incl. CPU (microsecs) per call 41 44 3 8.2%
Excl. CPU (microsec)31 38 7 22.6%
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% 11 1.5% 10 3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 27.3% 7 70.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 11 100.0% 10 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 8 72.7% 7 70.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 0 0.0% -4 -40.0% 0 N/A% 0 N/A%