Diff Report
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb45dd257: 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 #51f5bb078e5a7Run #51f5bb45dd257DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,000 995 -5 -0.5%
Incl. Wall Time (microsec) per call 111 111 -1 -0.5%
Excl. Wall Time (microsec)104 100 -4 -3.8%
Incl. CPU (microsecs)705 689 -16 -2.3%
Incl. CPU (microsecs) per call 78 77 -2 -2.3%
Excl. CPU (microsec)90 87 -3 -3.3%
Incl. MemUse (bytes)81,912 81,912 0 0.0%
Incl. MemUse (bytes) per call 9,101 9,101 0 0.0%
Excl. MemUse (bytes)-13,752 -13,752 0 0.0%
Incl. PeakMemUse (bytes)97,728 97,728 0 0.0%
Incl. PeakMemUse (bytes) per call 10,859 10,859 0 0.0%
Excl. PeakMemUse (bytes)1,328 1,328 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% -5 -0.7% -16 -13.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -80.0% -3 -18.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -5 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -5 -100.0% -14 -87.5% 0 N/A% 0 N/A%
unserialize@10 N/A% 3 60.0% 1 6.2% 0 N/A% 0 N/A%
explode0 N/A% 1 20.0% 0 0.0% 0 N/A% 0 N/A%