Diff Report
Run #519fd0873c1d7: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fd0d6038b3: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fd0873c1d7Run #519fd0d6038b3DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)17,931 17,788 -143 -0.8%
Incl. Wall Time (microsec) per call 166 165 -1 -0.8%
Excl. Wall Time (microsec)1,722 1,641 -81 -4.7%
Incl. CPU (microsecs)24,000 8,000 -16,000 -66.7%
Incl. CPU (microsecs) per call 222 74 -148 -66.7%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,580,736 1,580,736 0 0.0%
Incl. MemUse (bytes) per call 14,636 14,636 0 0.0%
Excl. MemUse (bytes)-361,744 -361,744 0 0.0%
Incl. PeakMemUse (bytes)1,919,864 1,919,864 0 0.0%
Incl. PeakMemUse (bytes) per call 17,777 17,777 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% -143 -207.2% -16,000 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-81 -56.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -143 -100.0% -16,000 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -102 -71.3% -12,000 -75.0% 0 N/A% 0 N/A%
unserialize0 N/A% 44 30.8% -4,000 -25.0% 0 N/A% 0 N/A%
explode0 N/A% -4 -2.8% 0 0.0% 0 N/A% 0 N/A%