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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fd0d6038b3Run #519fd0873c1d7DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)17,788 17,931 143 0.8%
Incl. Wall Time (microsec) per call 165 166 1 0.8%
Excl. Wall Time (microsec)1,641 1,722 81 4.9%
Incl. CPU (microsecs)8,000 24,000 16,000 200.0%
Incl. CPU (microsecs) per call 74 222 148 200.0%
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 Function81 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%