Diff Report
Run #5198f7eab7067: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5198fa286ed27: 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 #5198f7eab7067Run #5198fa286ed27DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,495 1,511 16 1.1%
Incl. Wall Time (microsec) per call 150 151 2 1.1%
Excl. Wall Time (microsec)306 309 3 1.0%
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)141,376 141,456 80 0.1%
Incl. MemUse (bytes) per call 14,138 14,146 8 0.1%
Excl. MemUse (bytes)-14,856 -14,856 0 0.0%
Incl. PeakMemUse (bytes)175,496 175,576 80 0.0%
Incl. PeakMemUse (bytes) per call 17,550 17,558 8 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% 16 0.0% 0 0.0% 80 0.6% 80 0.6%
Exclusive Metrics Diff for Current Function3 18.8% 0 N/A% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 16 100.0% 0 N/A% 80 100.0% 80 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 11 68.8% 0 N/A% 0 0.0% 0 0.0%
unserialize@10 N/A% 2 12.5% 0 N/A% 80 100.0% 80 100.0%
explode0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%