Diff Report
Run #51990ceb6ce00: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990c6b6ce43: 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 #51990ceb6ce00Run #51990c6b6ce43DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)708 706 -2 -0.3%
Incl. Wall Time (microsec) per call 89 88 -0 -0.3%
Excl. Wall Time (microsec)110 112 2 1.8%
Incl. CPU (microsecs)624 623 -1 -0.2%
Incl. CPU (microsecs) per call 78 78 -0 -0.2%
Excl. CPU (microsec)100 102 2 2.0%
Incl. MemUse (bytes)82,280 82,304 24 0.0%
Incl. MemUse (bytes) per call 10,285 10,288 3 0.0%
Excl. MemUse (bytes)-13,112 -13,112 0 0.0%
Incl. PeakMemUse (bytes)77,560 77,584 24 0.0%
Incl. PeakMemUse (bytes) per call 9,695 9,698 3 0.0%
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% -2 -0.4% -1 -0.1% 24 0.1% 24 0.1%
Exclusive Metrics Diff for Current Function2 100.0% 2 200.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -2 -100.0% -1 -100.0% 24 100.0% 24 100.0%
Child functions
unserialize@10 N/A% -7 -350.0% -5 -500.0% 24 100.0% 16 66.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 3 150.0% 2 200.0% 0 0.0% 8 33.3%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%