Diff Report
Run #519fe4bc90ab9: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fe58959c26: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fe4bc90ab9Run #519fe58959c26DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)19,673 19,284 -389 -2.0%
Incl. Wall Time (microsec) per call 163 159 -3 -2.0%
Excl. Wall Time (microsec)1,914 1,917 3 0.2%
Incl. CPU (microsecs)16,000 24,002 8,002 50.0%
Incl. CPU (microsecs) per call 132 198 66 50.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)1,814,176 1,815,608 1,432 0.1%
Incl. MemUse (bytes) per call 14,993 15,005 12 0.1%
Excl. MemUse (bytes)-391,344 -391,680 -336 -0.1%
Incl. PeakMemUse (bytes)2,139,912 2,141,480 1,568 0.1%
Incl. PeakMemUse (bytes) per call 17,685 17,698 13 0.1%
Excl. PeakMemUse (bytes)4,536 4,536 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% -389 -84.2% 8,002 800200.0% 1,432 2.3% 1,568 2.0%
Exclusive Metrics Diff for Current Function3 0.8% -4,000 -50.0% -336 -23.5% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -389 -100.0% 8,002 100.0% 1,432 100.0% 1,568 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -218 -56.0% 8,000 100.0% 0 0.0% 112 7.1%
unserialize0 N/A% -175 -45.0% 4,002 50.0% 1,768 123.5% 1,456 92.9%
explode0 N/A% 1 0.3% 0 0.0% 0 0.0% 0 0.0%