Diff Report
Run #519dd86a86681: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519dd95192eac: 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 #519dd86a86681Run #519dd95192eacDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)918 916 -2 -0.2%
Incl. Wall Time (microsec) per call 71 70 -0 -0.2%
Excl. Wall Time (microsec)177 171 -6 -3.4%
Incl. CPU (microsecs)789 785 -4 -0.5%
Incl. CPU (microsecs) per call 61 60 -0 -0.5%
Excl. CPU (microsec)160 144 -16 -10.0%
Incl. MemUse (bytes)101,888 101,888 0 0.0%
Incl. MemUse (bytes) per call 7,838 7,838 0 0.0%
Excl. MemUse (bytes)-16,608 -16,608 0 0.0%
Incl. PeakMemUse (bytes)85,616 85,616 0 0.0%
Incl. PeakMemUse (bytes) per call 6,586 6,586 0 0.0%
Excl. PeakMemUse (bytes)2,064 2,064 0 0.0%

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% -2 -0.2% -4 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -300.0% -16 -400.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -2 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 8 400.0% 9 225.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -4 -200.0% 2 50.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%