Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf19d00e96: 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 #53ccf06f3ae60Run #53ccf19d00e96DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)3,082 3,069 -13 -0.4%
Incl. Wall Time (microsec) per call 1,027 1,023 -4 -0.4%
Excl. Wall Time (microsec)40 38 -2 -5.0%
Incl. CPU (microsecs)3,086 3,073 -13 -0.4%
Incl. CPU (microsecs) per call 1,029 1,024 -4 -0.4%
Excl. CPU (microsec)34 34 0 0.0%
Incl. MemUse (bytes)1,280,736 1,280,736 0 0.0%
Incl. MemUse (bytes) per call 426,912 426,912 0 0.0%
Excl. MemUse (bytes)-173,480 -173,480 0 0.0%
Incl. PeakMemUse (bytes)1,529,600 1,529,600 0 0.0%
Incl. PeakMemUse (bytes) per call 509,867 509,867 0 0.0%
Excl. PeakMemUse (bytes)1,104 1,104 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% -13 -1.0% -13 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -15.4% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -13 -100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -14 -107.7% -16 -123.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 3 23.1% 2 15.4% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 1 7.7% 0 N/A% 0 N/A%