Diff Report
Run #51b517a409f93: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b51807d6d9d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51b517a409f93Run #51b51807d6d9dDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)841 930 89 10.6%
Incl. Wall Time (microsec) per call 120 133 13 10.6%
Excl. Wall Time (microsec)157 139 -18 -11.5%
Incl. CPU (microsecs)704 728 24 3.4%
Incl. CPU (microsecs) per call 101 104 3 3.4%
Excl. CPU (microsec)138 122 -16 -11.6%
Incl. MemUse (bytes)75,672 75,672 0 0.0%
Incl. MemUse (bytes) per call 10,810 10,810 0 0.0%
Excl. MemUse (bytes)-11,720 -11,720 0 0.0%
Incl. PeakMemUse (bytes)64,088 64,088 0 0.0%
Incl. PeakMemUse (bytes) per call 9,155 9,155 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% 89 7.1% 24 1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-18 -20.2% -16 -66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 89 100.0% 24 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 58 65.2% -10 -41.7% 0 N/A% 0 N/A%
unserialize@10 N/A% 49 55.1% 50 208.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%