Diff Report
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204421e7a2a2: 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 #5204417bc7ab7Run #5204421e7a2a2DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,062 1,013 -49 -4.6%
Incl. Wall Time (microsec) per call 118 113 -5 -4.6%
Excl. Wall Time (microsec)115 105 -10 -8.7%
Incl. CPU (microsecs)746 722 -24 -3.2%
Incl. CPU (microsecs) per call 83 80 -3 -3.2%
Excl. CPU (microsec)96 93 -3 -3.1%
Incl. MemUse (bytes)83,000 83,000 0 0.0%
Incl. MemUse (bytes) per call 9,222 9,222 0 0.0%
Excl. MemUse (bytes)-13,960 -13,960 0 0.0%
Incl. PeakMemUse (bytes)97,264 97,264 0 0.0%
Incl. PeakMemUse (bytes) per call 10,807 10,807 0 0.0%
Excl. PeakMemUse (bytes)1,328 1,328 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% -49 -5.7% -24 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -20.4% -3 -12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -49 -100.0% -24 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -37 -75.5% -14 -58.3% 0 N/A% 0 N/A%
unserialize@10 N/A% -2 -4.1% -6 -25.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -4.2% 0 N/A% 0 N/A%