Diff Report
Run #519fd0873c1d7: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fd13122e91: 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 #519fd13122e91DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)17,931 18,247 316 1.8%
Incl. Wall Time (microsec) per call 166 169 3 1.8%
Excl. Wall Time (microsec)1,722 1,664 -58 -3.4%
Incl. CPU (microsecs)24,000 16,003 -7,997 -33.3%
Incl. CPU (microsecs) per call 222 148 -74 -33.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,580,736 1,581,992 1,256 0.1%
Incl. MemUse (bytes) per call 14,636 14,648 12 0.1%
Excl. MemUse (bytes)-361,744 -361,952 -208 -0.1%
Incl. PeakMemUse (bytes)1,919,864 1,918,984 -880 -0.0%
Incl. PeakMemUse (bytes) per call 17,777 17,768 -8 -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% 316 30.0% -7,997 -799700.0% 1,256 10.4% -880 -98.2%
Exclusive Metrics Diff for Current Function-58 -18.4% 4,000 50.0% -208 -16.6% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 316 100.0% -7,997 -100.0% 1,256 100.0% -880 -100.0%
Child functions
unserialize0 N/A% 318 100.6% -3,998 -50.0% 1,424 113.4% -1,128 -128.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 61 19.3% -7,999 -100.0% 40 3.2% 248 28.2%
explode0 N/A% -5 -1.6% 0 0.0% 0 0.0% 0 0.0%