Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3b171080: 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 #5198b38f0f1d5Run #5198b3b171080DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)690 704 14 2.0%
Incl. Wall Time (microsec) per call 86 88 2 2.0%
Excl. Wall Time (microsec)94 94 0 0.0%
Incl. CPU (microsecs)566 553 -13 -2.3%
Incl. CPU (microsecs) per call 71 69 -2 -2.3%
Excl. CPU (microsec)83 84 1 1.2%
Incl. MemUse (bytes)82,288 82,288 0 0.0%
Incl. MemUse (bytes) per call 10,286 10,286 0 0.0%
Excl. MemUse (bytes)-13,120 -13,120 0 0.0%
Incl. PeakMemUse (bytes)77,616 77,616 0 0.0%
Incl. PeakMemUse (bytes) per call 9,702 9,702 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 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% 14 33.3% -13 -24.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% 1 7.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 14 100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 16 114.3% -14 -107.7% 0 N/A% 0 N/A%
unserialize@10 N/A% -2 -14.3% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%