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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fe58959c26Run #519fe4bc90ab9DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)19,284 19,673 389 2.0%
Incl. Wall Time (microsec) per call 159 163 3 2.0%
Excl. Wall Time (microsec)1,917 1,914 -3 -0.2%
Incl. CPU (microsecs)24,002 16,000 -8,002 -33.3%
Incl. CPU (microsecs) per call 198 132 -66 -33.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,815,608 1,814,176 -1,432 -0.1%
Incl. MemUse (bytes) per call 15,005 14,993 -12 -0.1%
Excl. MemUse (bytes)-391,680 -391,344 336 0.1%
Incl. PeakMemUse (bytes)2,141,480 2,139,912 -1,568 -0.1%
Incl. PeakMemUse (bytes) per call 17,698 17,685 -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 Function-3 -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%