Diff Report
Run #520840a963a54: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #520840a963a54Run #5208407650493DiffDiff%
Number of Function Calls80 80 0 0.0%
Incl. Wall Time (microsec)7,943 7,838 -105 -1.3%
Incl. Wall Time (microsec) per call 99 98 -1 -1.3%
Excl. Wall Time (microsec)1,125 1,079 -46 -4.1%
Incl. CPU (microsecs)6,650 6,603 -47 -0.7%
Incl. CPU (microsecs) per call 83 83 -1 -0.7%
Excl. CPU (microsec)1,008 962 -46 -4.6%
Incl. MemUse (bytes)1,230,952 1,230,952 0 0.0%
Incl. MemUse (bytes) per call 15,387 15,387 0 0.0%
Excl. MemUse (bytes)-200,536 -200,536 0 0.0%
Incl. PeakMemUse (bytes)1,084,632 1,084,632 0 0.0%
Incl. PeakMemUse (bytes) per call 13,558 13,558 0 0.0%
Excl. PeakMemUse (bytes)4,616 4,616 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% -105 -97.2% -47 -26.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-46 -43.8% -46 -97.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -105 -100.0% -47 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -63 -60.0% -42 -89.4% 0 N/A% 0 N/A%
explode0 N/A% 2 1.9% -2 -4.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 2 1.9% 43 91.5% 0 N/A% 0 N/A%