Diff Report
Run #53180bc98020f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #53180bc98020fRun #53180b3960796DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)757 817 60 7.9%
Incl. Wall Time (microsec) per call 84 91 7 7.9%
Excl. Wall Time (microsec)113 121 8 7.1%
Incl. CPU (microsecs)732 795 63 8.6%
Incl. CPU (microsecs) per call 81 88 7 8.6%
Excl. CPU (microsec)99 107 8 8.1%
Incl. MemUse (bytes)119,864 119,864 0 0.0%
Incl. MemUse (bytes) per call 13,318 13,318 0 0.0%
Excl. MemUse (bytes)-23,832 -23,832 0 0.0%
Incl. PeakMemUse (bytes)169,136 169,136 0 0.0%
Incl. PeakMemUse (bytes) per call 18,793 18,793 0 0.0%
Excl. PeakMemUse (bytes)704 704 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% 60 1.7% 63 1.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function8 13.3% 8 12.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 60 100.0% 63 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 51 85.0% 53 84.1% 0 N/A% 0 N/A%
unserialize@10 N/A% 1 1.7% 3 4.8% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -1.6% 0 N/A% 0 N/A%