Diff Report
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eefcaea15f: 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 #518eee9367b5dRun #518eefcaea15fDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)601 614 13 2.2%
Incl. Wall Time (microsec) per call 86 88 2 2.2%
Excl. Wall Time (microsec)88 93 5 5.7%
Incl. CPU (microsecs)532 551 19 3.6%
Incl. CPU (microsecs) per call 76 79 3 3.6%
Excl. CPU (microsec)79 81 2 2.5%
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)72,312 72,312 0 0.0%
Incl. PeakMemUse (bytes) per call 10,330 10,330 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% 13 19.7% 19 2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 38.5% 2 10.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 13 100.0% 19 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 11 84.6% 22 115.8% 0 N/A% 0 N/A%
unserialize@10 N/A% -3 -23.1% -4 -21.1% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -5.3% 0 N/A% 0 N/A%