Diff Report
Run #523f01e38fa84: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f01900df5c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f01e38fa84Run #523f01900df5cDiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)12,938 13,251 313 2.4%
Incl. Wall Time (microsec) per call 154 158 4 2.4%
Excl. Wall Time (microsec)1,346 1,365 19 1.4%
Incl. CPU (microsecs)10,524 10,575 51 0.5%
Incl. CPU (microsecs) per call 125 126 1 0.5%
Excl. CPU (microsec)1,237 1,234 -3 -0.2%
Incl. MemUse (bytes)1,562,840 1,562,840 0 0.0%
Incl. MemUse (bytes) per call 18,605 18,605 0 0.0%
Excl. MemUse (bytes)-246,632 -246,632 0 0.0%
Incl. PeakMemUse (bytes)1,691,264 1,691,264 0 0.0%
Incl. PeakMemUse (bytes) per call 20,134 20,134 0 0.0%
Excl. PeakMemUse (bytes)7,072 7,072 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% 313 92.1% 51 1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function19 6.1% -3 -5.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 313 100.0% 51 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 390 124.6% 150 294.1% 0 N/A% 0 N/A%
unserialize0 N/A% -106 -33.9% -98 -192.2% 0 N/A% 0 N/A%
explode0 N/A% 10 3.2% 2 3.9% 0 N/A% 0 N/A%