Diff Report
Run #519fc98bf3bad: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519fc98bf3badRun #519fc956834f6DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)473 479 6 1.3%
Incl. Wall Time (microsec) per call 68 68 1 1.3%
Excl. Wall Time (microsec)89 90 1 1.1%
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)75,840 75,840 0 0.0%
Incl. MemUse (bytes) per call 10,834 10,834 0 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)71,680 71,680 0 0.0%
Incl. PeakMemUse (bytes) per call 10,240 10,240 0 0.0%
Excl. PeakMemUse (bytes)2,136 2,136 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% 6 5.0% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 16.7% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 6 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 5 83.3% 0 N/A% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
unserialize@10 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%