Diff Report
Run #519ea984d991e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519ea884c38e9: 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 #519ea984d991eRun #519ea884c38e9DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)876 945 69 7.9%
Incl. Wall Time (microsec) per call 73 79 6 7.9%
Excl. Wall Time (microsec)161 166 5 3.1%
Incl. CPU (microsecs)763 822 59 7.7%
Incl. CPU (microsecs) per call 64 69 5 7.7%
Excl. CPU (microsec)147 164 17 11.6%
Incl. MemUse (bytes)97,440 97,440 0 0.0%
Incl. MemUse (bytes) per call 8,120 8,120 0 0.0%
Excl. MemUse (bytes)-15,792 -15,792 0 0.0%
Incl. PeakMemUse (bytes)83,160 83,160 0 0.0%
Incl. PeakMemUse (bytes) per call 6,930 6,930 0 0.0%
Excl. PeakMemUse (bytes)1,696 1,696 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% 69 0.2% 59 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function5 7.2% 17 28.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 69 100.0% 59 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 58 84.1% 57 96.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 5 7.2% -15 -25.4% 0 N/A% 0 N/A%
explode0 N/A% 1 1.4% 0 0.0% 0 N/A% 0 N/A%