Diff Report
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a944519b58c: 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 #51a9457328375Run #51a944519b58cDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)711 729 18 2.5%
Incl. Wall Time (microsec) per call 102 104 3 2.5%
Excl. Wall Time (microsec)98 95 -3 -3.1%
Incl. CPU (microsecs)567 585 18 3.2%
Incl. CPU (microsecs) per call 81 84 3 3.2%
Excl. CPU (microsec)85 90 5 5.9%
Incl. MemUse (bytes)75,928 75,928 0 0.0%
Incl. MemUse (bytes) per call 10,847 10,847 0 0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)65,272 65,272 0 0.0%
Incl. PeakMemUse (bytes) per call 9,325 9,325 0 0.0%
Excl. PeakMemUse (bytes)2,208 2,208 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% 18 2.1% 18 2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -16.7% 5 27.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 18 100.0% 18 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 11 61.1% 9 50.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 9 50.0% 2 11.1% 0 N/A% 0 N/A%
explode0 N/A% 1 5.6% 2 11.1% 0 N/A% 0 N/A%