Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e86ee04ad: 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 #5192e6f7bc551Run #5192e86ee04adDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)798 774 -24 -3.0%
Incl. Wall Time (microsec) per call 114 111 -3 -3.0%
Excl. Wall Time (microsec)109 104 -5 -4.6%
Incl. CPU (microsecs)629 651 22 3.5%
Incl. CPU (microsecs) per call 90 93 3 3.5%
Excl. CPU (microsec)94 89 -5 -5.3%
Incl. MemUse (bytes)75,864 75,864 0 0.0%
Incl. MemUse (bytes) per call 10,838 10,838 0 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)73,600 73,600 0 0.0%
Incl. PeakMemUse (bytes) per call 10,514 10,514 0 0.0%
Excl. PeakMemUse (bytes)1,824 1,824 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% -24 -10.3% 22 1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -20.8% -5 -22.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -24 -100.0% 22 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -49 -204.2% -11 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 30 125.0% 39 177.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -4.5% 0 N/A% 0 N/A%