Diff Report
Run #523e4a8c453b2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523e49a66dc20: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523e4a8c453b2Run #523e49a66dc20DiffDiff%
Number of Function Calls60 60 0 0.0%
Incl. Wall Time (microsec)12,071 12,976 905 7.5%
Incl. Wall Time (microsec) per call 201 216 15 7.5%
Excl. Wall Time (microsec)923 937 14 1.5%
Incl. CPU (microsecs)10,274 11,014 740 7.2%
Incl. CPU (microsecs) per call 171 184 12 7.2%
Excl. CPU (microsec)812 844 32 3.9%
Incl. MemUse (bytes)2,227,608 2,227,608 0 0.0%
Incl. MemUse (bytes) per call 37,127 37,127 0 0.0%
Excl. MemUse (bytes)-457,208 -457,208 0 0.0%
Incl. PeakMemUse (bytes)2,471,528 2,471,528 0 0.0%
Incl. PeakMemUse (bytes) per call 41,192 41,192 0 0.0%
Excl. PeakMemUse (bytes)3,832 3,832 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% 905 10.2% 740 16.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function14 1.5% 32 4.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 905 100.0% 740 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 509 56.2% 500 67.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 375 41.4% 205 27.7% 0 N/A% 0 N/A%
explode0 N/A% 7 0.8% 3 0.4% 0 N/A% 0 N/A%