Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbcc2155d3: 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 #518fb7370421eRun #518fbcc2155d3DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)733 784 51 7.0%
Incl. Wall Time (microsec) per call 105 112 7 7.0%
Excl. Wall Time (microsec)98 104 6 6.1%
Incl. CPU (microsecs)612 631 19 3.1%
Incl. CPU (microsecs) per call 87 90 3 3.1%
Excl. CPU (microsec)89 84 -5 -5.6%
Incl. MemUse (bytes)75,840 75,840 0 0.0%
Incl. MemUse (bytes) per call 10,834 10,834 0 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)72,704 72,704 0 0.0%
Incl. PeakMemUse (bytes) per call 10,386 10,386 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 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% 51 34.7% 19 2.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 11.8% -5 -26.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 51 100.0% 19 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 30 58.8% 6 31.6% 0 N/A% 0 N/A%
unserialize@10 N/A% 15 29.4% 17 89.5% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 1 5.3% 0 N/A% 0 N/A%