Diff Report
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d73f55c548: 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 #517d7319aefb8Run #517d73f55c548DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)430 448 18 4.2%
Incl. Wall Time (microsec) per call 61 64 3 4.2%
Excl. Wall Time (microsec)85 99 14 16.5%
Incl. CPU (microsecs)433 453 20 4.6%
Incl. CPU (microsecs) per call 62 65 3 4.6%
Excl. CPU (microsec)73 89 16 21.9%
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% 18 0.2% 20 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function14 77.8% 16 80.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 18 100.0% 20 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 15 83.3% 19 95.0% 0 N/A% 0 N/A%
unserialize@10 N/A% -12 -66.7% -15 -75.0% 0 N/A% 0 N/A%
explode0 N/A% 1 5.6% 0 0.0% 0 N/A% 0 N/A%