Diff Report
Run #51a152cadd6cc: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a15418571e4: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a152cadd6ccRun #51a15418571e4DiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)39,152 39,185 33 0.1%
Incl. Wall Time (microsec) per call 282 282 0 0.1%
Excl. Wall Time (microsec)3,465 3,443 -22 -0.6%
Incl. CPU (microsecs)28,001 44,001 16,000 57.1%
Incl. CPU (microsecs) per call 201 317 115 57.1%
Excl. CPU (microsec)0 4,000 4,000 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% 33 0.8% 16,000 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-22 -66.7% 4,000 25.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 33 100.0% 16,000 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 43 130.3% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 14 42.4% 12,000 75.0% 0 N/A% 0 N/A%
explode0 N/A% -2 -6.1% 0 0.0% 0 N/A% 0 N/A%