Diff Report
Run #5198f92a4c3fa: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5198f7eab7067: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #5198f92a4c3faRun #5198f7eab7067DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,499 1,495 -4 -0.3%
Incl. Wall Time (microsec) per call 150 150 -0 -0.3%
Excl. Wall Time (microsec)308 306 -2 -0.6%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)141,376 141,376 0 0.0%
Incl. MemUse (bytes) per call 14,138 14,138 0 0.0%
Excl. MemUse (bytes)-14,856 -14,856 0 0.0%
Incl. PeakMemUse (bytes)175,496 175,496 0 0.0%
Incl. PeakMemUse (bytes) per call 17,550 17,550 0 0.0%
Excl. PeakMemUse (bytes)624 624 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -4 -0.4% 0 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -50.0% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -4 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -3 -75.0% 0 N/A% 0 N/A% 0 N/A%
unserialize@10 N/A% 1 25.0% 0 N/A% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%