Diff Report
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d51ae434de: 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 #517d52b5a5611Run #517d51ae434deDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)483 427 -56 -11.6%
Incl. Wall Time (microsec) per call 69 61 -8 -11.6%
Excl. Wall Time (microsec)104 91 -13 -12.5%
Incl. CPU (microsecs)486 432 -54 -11.1%
Incl. CPU (microsecs) per call 69 62 -8 -11.1%
Excl. CPU (microsec)90 74 -16 -17.8%
Incl. MemUse (bytes)104,936 104,936 0 0.0%
Incl. MemUse (bytes) per call 14,991 14,991 0 0.0%
Excl. MemUse (bytes)-11,648 -11,648 0 0.0%
Incl. PeakMemUse (bytes)108,224 108,224 0 0.0%
Incl. PeakMemUse (bytes) per call 15,461 15,461 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 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% -56 -2.3% -54 -3.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-13 -23.2% -16 -29.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -56 -100.0% -54 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -23 -41.1% -24 -44.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -20 -35.7% -18 -33.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 4 7.4% 0 N/A% 0 N/A%