Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: 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 #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)456 491 35 7.7%
Incl. Wall Time (microsec) per call 65 70 5 7.7%
Excl. Wall Time (microsec)90 95 5 5.6%
Incl. CPU (microsecs)462 500 38 8.2%
Incl. CPU (microsecs) per call 66 71 5 8.2%
Excl. CPU (microsec)81 86 5 6.2%
Incl. MemUse (bytes)106,816 106,816 0 0.0%
Incl. MemUse (bytes) per call 15,259 15,259 0 0.0%
Excl. MemUse (bytes)-12,288 -12,288 0 0.0%
Incl. PeakMemUse (bytes)110,840 110,840 0 0.0%
Incl. PeakMemUse (bytes) per call 15,834 15,834 0 0.0%
Excl. PeakMemUse (bytes)2,136 2,136 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% 35 0.9% 38 0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function5 14.3% 5 13.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 35 100.0% 38 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 27 77.1% 25 65.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 3 8.6% 8 21.1% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%