Diff Report
Run #51990d1de2dc4: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51990d1de2dc4Run #51990c6b6ce43DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)15,315 15,114 -201 -1.3%
Incl. Wall Time (microsec) per call 236 233 -3 -1.3%
Excl. Wall Time (microsec)889 844 -45 -5.1%
Incl. CPU (microsecs)13,449 13,258 -191 -1.4%
Incl. CPU (microsecs) per call 207 204 -3 -1.4%
Excl. CPU (microsec)788 749 -39 -4.9%
Incl. MemUse (bytes)1,328,368 1,328,368 0 0.0%
Incl. MemUse (bytes) per call 20,436 20,436 0 0.0%
Excl. MemUse (bytes)-211,736 -211,736 0 0.0%
Incl. PeakMemUse (bytes)1,339,784 1,339,784 0 0.0%
Incl. PeakMemUse (bytes) per call 20,612 20,612 0 0.0%
Excl. PeakMemUse (bytes)4,032 4,032 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% -201 -55.4% -191 -909.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-45 -22.4% -39 -20.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -201 -100.0% -191 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -132 -65.7% -82 -42.9% 0 N/A% 0 N/A%
unserialize0 N/A% -25 -12.4% -73 -38.2% 0 N/A% 0 N/A%
explode0 N/A% 1 0.5% 3 1.6% 0 N/A% 0 N/A%