Diff Report
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ca5ac5912c3Run #51ca5a4995c23DiffDiff%
Number of Function Calls85 85 0 0.0%
Incl. Wall Time (microsec)28,445 28,399 -46 -0.2%
Incl. Wall Time (microsec) per call 335 334 -1 -0.2%
Excl. Wall Time (microsec)1,875 1,930 55 2.9%
Incl. CPU (microsecs)23,970 23,972 2 0.0%
Incl. CPU (microsecs) per call 282 282 0 0.0%
Excl. CPU (microsec)1,774 1,833 59 3.3%
Incl. MemUse (bytes)2,078,264 2,078,264 0 0.0%
Incl. MemUse (bytes) per call 24,450 24,450 0 0.0%
Excl. MemUse (bytes)-224,872 -224,872 0 0.0%
Incl. PeakMemUse (bytes)2,574,184 2,574,184 0 0.0%
Incl. PeakMemUse (bytes) per call 30,285 30,285 0 0.0%
Excl. PeakMemUse (bytes)7,664 7,664 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% -46 -13.2% 2 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function55 119.6% 59 2950.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -46 -100.0% 2 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -456 -991.3% -174 -8700.0% 0 N/A% 0 N/A%
unserialize0 N/A% 357 776.1% 118 5900.0% 0 N/A% 0 N/A%
explode0 N/A% -2 -4.3% -1 -50.0% 0 N/A% 0 N/A%