Diff Report
Run #51a155e569388: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a152cadd6cc: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a155e569388Run #51a152cadd6ccDiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)39,248 39,152 -96 -0.2%
Incl. Wall Time (microsec) per call 282 282 -1 -0.2%
Excl. Wall Time (microsec)3,447 3,465 18 0.5%
Incl. CPU (microsecs)24,002 28,001 3,999 16.7%
Incl. CPU (microsecs) per call 173 201 29 16.7%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,566,776 1,566,776 0 0.0%
Incl. MemUse (bytes) per call 11,272 11,272 0 0.0%
Excl. MemUse (bytes)-353,708 -353,708 0 0.0%
Incl. PeakMemUse (bytes)1,914,828 1,914,828 0 0.0%
Incl. PeakMemUse (bytes) per call 13,776 13,776 0 0.0%
Excl. PeakMemUse (bytes)6,976 6,976 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% -96 -3.5% 3,999 399900.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function18 18.8% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -96 -100.0% 3,999 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -64 -66.7% 0 0.0% 0 N/A% 0 N/A%
unserialize0 N/A% -49 -51.0% 3,999 100.0% 0 N/A% 0 N/A%
explode0 N/A% -1 -1.0% 0 0.0% 0 N/A% 0 N/A%