Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: 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 #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)119 116 -3 -2.5%
Incl. Wall Time (microsec) per call 40 39 -1 -2.5%
Excl. Wall Time (microsec)39 35 -4 -10.3%
Incl. CPU (microsecs)121 121 0 0.0%
Incl. CPU (microsecs) per call 40 40 0 0.0%
Excl. CPU (microsec)31 33 2 6.5%
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% -3 -0.1% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -133.3% 2 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -3 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 1 33.3% -2 N/A% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%