Diff Report
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a9459592df6: 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 #51a944519b58cRun #51a9459592df6DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)729 701 -28 -3.8%
Incl. Wall Time (microsec) per call 104 100 -4 -3.8%
Excl. Wall Time (microsec)95 90 -5 -5.3%
Incl. CPU (microsecs)585 558 -27 -4.6%
Incl. CPU (microsecs) per call 84 80 -4 -4.6%
Excl. CPU (microsec)90 84 -6 -6.7%
Incl. MemUse (bytes)75,928 75,912 -16 -0.0%
Incl. MemUse (bytes) per call 10,847 10,845 -2 -0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)65,272 65,168 -104 -0.2%
Incl. PeakMemUse (bytes) per call 9,325 9,310 -15 -0.2%
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% -28 -0.3% -27 -0.2% -16 -0.0% -104 -0.1%
Exclusive Metrics Diff for Current Function-5 -17.9% -6 -22.2% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -28 -100.0% -27 -100.0% -16 -100.0% -104 -100.0%
Child functions
unserialize@10 N/A% -16 -57.1% -15 -55.6% -16 -100.0% -104 -100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -7 -25.0% -5 -18.5% 0 0.0% 0 0.0%
explode0 N/A% 0 0.0% -1 -3.7% 0 0.0% 0 0.0%