Diff Report
Run #54df91f17bc7c: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54df8d322535a: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54df91f17bc7cRun #54df8d322535aDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,137 11,002 -135 -1.2%
Incl. Wall Time (microsec) per call 96 95 -1 -1.2%
Excl. Wall Time (microsec)912 895 -17 -1.9%
Incl. MemUse (bytes)1,960,792 1,960,792 0 0.0%
Incl. MemUse (bytes) per call 16,903 16,903 0 0.0%
Excl. MemUse (bytes)-925,776 -925,776 0 0.0%
Incl. PeakMemUse (bytes)2,920,952 2,920,952 0 0.0%
Incl. PeakMemUse (bytes) per call 25,181 25,181 0 0.0%
Excl. PeakMemUse (bytes)1,224 1,224 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -135 -8.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -12.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -135 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -75 -55.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -45 -33.3% 0 N/A% 0 N/A%
explode0 N/A% 2 1.5% 0 N/A% 0 N/A%