Diff Report
Run #519dd9ab8b74d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519dd86a86681: 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 #519dd9ab8b74dRun #519dd86a86681DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)911 918 7 0.8%
Incl. Wall Time (microsec) per call 70 71 1 0.8%
Excl. Wall Time (microsec)177 177 0 0.0%
Incl. CPU (microsecs)786 789 3 0.4%
Incl. CPU (microsecs) per call 60 61 0 0.4%
Excl. CPU (microsec)170 160 -10 -5.9%
Incl. MemUse (bytes)101,896 101,888 -8 -0.0%
Incl. MemUse (bytes) per call 7,838 7,838 -1 -0.0%
Excl. MemUse (bytes)-16,608 -16,608 0 0.0%
Incl. PeakMemUse (bytes)85,624 85,616 -8 -0.0%
Incl. PeakMemUse (bytes) per call 6,586 6,586 -1 -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% 7 0.0% 3 0.0% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function0 0.0% -10 -333.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 7 100.0% 3 100.0% -8 -100.0% -8 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 11 157.1% 10 333.3% 0 0.0% 0 0.0%
unserialize@10 N/A% -5 -71.4% 3 100.0% -8 -100.0% -8 -100.0%
explode0 N/A% 1 14.3% 0 0.0% 0 0.0% 0 0.0%