Diff Report
Run #54df8d322535a: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54df9298c351d: XHProf Run (Namespace=drupal-perf-davidhernandez)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54df8d322535aRun #54df9298c351dDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)11,002 11,418 416 3.8%
Incl. Wall Time (microsec) per call 95 98 4 3.8%
Excl. Wall Time (microsec)895 921 26 2.9%
Incl. MemUse (bytes)1,960,792 1,960,584 -208 -0.0%
Incl. MemUse (bytes) per call 16,903 16,902 -2 -0.0%
Excl. MemUse (bytes)-925,776 -925,744 32 0.0%
Incl. PeakMemUse (bytes)2,920,952 2,920,488 -464 -0.0%
Incl. PeakMemUse (bytes) per call 25,181 25,177 -4 -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% 416 1.6% -208 -0.9% -464 -2.1%
Exclusive Metrics Diff for Current Function26 6.2% 32 15.4% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 416 100.0% -208 -100.0% -464 -100.0%
Child functions
unserialize0 N/A% 291 70.0% -240 -115.4% -704 -151.7%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 105 25.2% 0 0.0% 240 51.7%
explode0 N/A% -6 -1.4% 0 0.0% 0 0.0%