Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a23ef211f9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #526a239923027Run #526a23ef211f9DiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)9,070 8,805 -265 -2.9%
Incl. Wall Time (microsec) per call 144 140 -4 -2.9%
Excl. Wall Time (microsec)999 926 -73 -7.3%
Incl. CPU (microsecs)7,809 7,657 -152 -1.9%
Incl. CPU (microsecs) per call 124 122 -2 -1.9%
Excl. CPU (microsec)901 842 -59 -6.5%
Incl. MemUse (bytes)865,280 865,280 0 0.0%
Incl. MemUse (bytes) per call 13,735 13,735 0 0.0%
Excl. MemUse (bytes)-149,560 -149,560 0 0.0%
Incl. PeakMemUse (bytes)1,248,536 1,248,536 0 0.0%
Incl. PeakMemUse (bytes) per call 19,818 19,818 0 0.0%
Excl. PeakMemUse (bytes)5,968 5,968 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% -265 -28.0% -152 -10.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-73 -27.5% -59 -38.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -265 -100.0% -152 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -329 -124.2% -220 -144.7% 0 N/A% 0 N/A%
unserialize0 N/A% 140 52.8% 129 84.9% 0 N/A% 0 N/A%
explode0 N/A% -3 -1.1% -2 -1.3% 0 N/A% 0 N/A%