Diff Report
Run #51a14d7a98950: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a14c32c53db: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a14d7a98950Run #51a14c32c53dbDiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)39,523 39,312 -211 -0.5%
Incl. Wall Time (microsec) per call 284 283 -2 -0.5%
Excl. Wall Time (microsec)3,450 3,463 13 0.4%
Incl. CPU (microsecs)40,002 32,002 -8,000 -20.0%
Incl. CPU (microsecs) per call 288 230 -58 -20.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)1,566,484 1,566,484 0 0.0%
Incl. MemUse (bytes) per call 11,270 11,270 0 0.0%
Excl. MemUse (bytes)-353,552 -353,552 0 0.0%
Incl. PeakMemUse (bytes)1,905,076 1,905,076 0 0.0%
Incl. PeakMemUse (bytes) per call 13,706 13,706 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% -211 -2.2% -8,000 -66.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function13 6.2% -4,000 -50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -211 -100.0% -8,000 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -142 -67.3% -4,000 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -81 -38.4% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% -1 -0.5% 0 0.0% 0 N/A% 0 N/A%