Diff Report
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e3ae1e6c: 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 #51981beb768adRun #51981e3ae1e6cDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)960 922 -38 -4.0%
Incl. Wall Time (microsec) per call 107 102 -4 -4.0%
Excl. Wall Time (microsec)138 129 -9 -6.5%
Incl. CPU (microsecs)793 768 -25 -3.2%
Incl. CPU (microsecs) per call 88 85 -3 -3.2%
Excl. CPU (microsec)126 114 -12 -9.5%
Incl. MemUse (bytes)149,104 149,104 0 0.0%
Incl. MemUse (bytes) per call 16,567 16,567 0 0.0%
Excl. MemUse (bytes)-20,736 -20,736 0 0.0%
Incl. PeakMemUse (bytes)145,968 145,968 0 0.0%
Incl. PeakMemUse (bytes) per call 16,219 16,219 0 0.0%
Excl. PeakMemUse (bytes)3,096 3,096 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% -38 -30.9% -25 -4.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -23.7% -12 -48.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -38 -100.0% -25 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -18 -47.4% -1 -4.0% 0 N/A% 0 N/A%
unserialize@10 N/A% -12 -31.6% -12 -48.0% 0 N/A% 0 N/A%
explode0 N/A% 1 2.6% 0 0.0% 0 N/A% 0 N/A%