Diff Report
Run #5206d663ca0ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5206d6d973591: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5206d663ca0baRun #5206d6d973591DiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)31,516 31,027 -489 -1.6%
Incl. Wall Time (microsec) per call 281 277 -4 -1.6%
Excl. Wall Time (microsec)2,384 2,384 0 0.0%
Incl. CPU (microsecs)26,490 26,232 -258 -1.0%
Incl. CPU (microsecs) per call 237 234 -2 -1.0%
Excl. CPU (microsec)2,225 2,239 14 0.6%
Incl. MemUse (bytes)2,408,080 2,408,080 0 0.0%
Incl. MemUse (bytes) per call 21,501 21,501 0 0.0%
Excl. MemUse (bytes)-343,792 -343,792 0 0.0%
Incl. PeakMemUse (bytes)2,939,432 2,939,432 0 0.0%
Incl. PeakMemUse (bytes) per call 26,245 26,245 0 0.0%
Excl. PeakMemUse (bytes)8,664 8,664 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% -489 -171.6% -258 -150.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% 14 5.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -489 -100.0% -258 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -573 -117.2% -238 -92.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 74 15.1% -41 -15.9% 0 N/A% 0 N/A%
explode0 N/A% 10 2.0% 7 2.7% 0 N/A% 0 N/A%