Diff Report
Run #5190217a23e77: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #5190217a23e77Run #51901ff69a8a6DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)673 677 4 0.6%
Incl. Wall Time (microsec) per call 96 97 1 0.6%
Excl. Wall Time (microsec)103 104 1 1.0%
Incl. CPU (microsecs)550 560 10 1.8%
Incl. CPU (microsecs) per call 79 80 1 1.8%
Excl. CPU (microsec)95 95 0 0.0%
Incl. MemUse (bytes)75,848 75,864 16 0.0%
Incl. MemUse (bytes) per call 10,835 10,838 2 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)71,992 71,936 -56 -0.1%
Incl. PeakMemUse (bytes) per call 10,285 10,277 -8 -0.1%
Excl. PeakMemUse (bytes)1,728 1,728 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 1.9% 10 166.7% 16 0.1% -56 -0.2%
Exclusive Metrics Diff for Current Function1 25.0% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 4 100.0% 10 100.0% 16 100.0% -56 -100.0%
Child functions
unserialize@10 N/A% 4 100.0% 7 70.0% 16 100.0% -56 -100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -1 -25.0% 2 20.0% 0 0.0% 0 0.0%
explode0 N/A% 0 0.0% 1 10.0% 0 0.0% 0 0.0%