Diff Report
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5476d8061: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ca5414b31d9Run #51ca5476d8061DiffDiff%
Number of Function Calls64 64 0 0.0%
Incl. Wall Time (microsec)26,997 27,208 211 0.8%
Incl. Wall Time (microsec) per call 422 425 3 0.8%
Excl. Wall Time (microsec)1,331 1,339 8 0.6%
Incl. CPU (microsecs)22,623 22,835 212 0.9%
Incl. CPU (microsecs) per call 353 357 3 0.9%
Excl. CPU (microsec)1,239 1,255 16 1.3%
Incl. MemUse (bytes)1,977,968 1,977,968 0 0.0%
Incl. MemUse (bytes) per call 30,906 30,906 0 0.0%
Excl. MemUse (bytes)-180,944 -180,944 0 0.0%
Incl. PeakMemUse (bytes)2,470,624 2,470,624 0 0.0%
Incl. PeakMemUse (bytes) per call 38,604 38,604 0 0.0%
Excl. PeakMemUse (bytes)5,528 5,528 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% 211 17.5% 212 56.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function8 3.8% 16 7.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 211 100.0% 212 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 246 116.6% 200 94.3% 0 N/A% 0 N/A%
unserialize0 N/A% -38 -18.0% 1 0.5% 0 N/A% 0 N/A%
explode0 N/A% -5 -2.4% -5 -2.4% 0 N/A% 0 N/A%