Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e84845baf: 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 #5192e6f7bc551Run #5192e84845bafDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)798 656 -142 -17.8%
Incl. Wall Time (microsec) per call 114 94 -20 -17.8%
Excl. Wall Time (microsec)109 100 -9 -8.3%
Incl. CPU (microsecs)629 587 -42 -6.7%
Incl. CPU (microsecs) per call 90 84 -6 -6.7%
Excl. CPU (microsec)94 91 -3 -3.2%
Incl. MemUse (bytes)75,864 75,856 -8 -0.0%
Incl. MemUse (bytes) per call 10,838 10,837 -1 -0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)73,600 73,592 -8 -0.0%
Incl. PeakMemUse (bytes) per call 10,514 10,513 -1 -0.0%
Excl. PeakMemUse (bytes)1,824 1,824 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% -142 -27.8% -42 -4.1% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-9 -6.3% -3 -7.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -142 -100.0% -42 -100.0% -8 -100.0% -8 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -94 -66.2% -39 -92.9% 0 0.0% 0 0.0%
unserialize@10 N/A% -39 -27.5% 0 0.0% -8 -100.0% -8 -100.0%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%