Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5190217a23e77: 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 #51901ff69a8a6Run #5190217a23e77DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)677 673 -4 -0.6%
Incl. Wall Time (microsec) per call 97 96 -1 -0.6%
Excl. Wall Time (microsec)104 103 -1 -1.0%
Incl. CPU (microsecs)560 550 -10 -1.8%
Incl. CPU (microsecs) per call 80 79 -1 -1.8%
Excl. CPU (microsec)95 95 0 0.0%
Incl. MemUse (bytes)75,864 75,848 -16 -0.0%
Incl. MemUse (bytes) per call 10,838 10,835 -2 -0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)71,936 71,992 56 0.1%
Incl. PeakMemUse (bytes) per call 10,277 10,285 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 Function-1 -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%