Diff Report
Run #51afe9f952272: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe9a0d59b4: 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 #51afe9f952272Run #51afe9a0d59b4DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)757 787 30 4.0%
Incl. Wall Time (microsec) per call 108 112 4 4.0%
Excl. Wall Time (microsec)112 147 35 31.2%
Incl. CPU (microsecs)549 683 134 24.4%
Incl. CPU (microsecs) per call 78 98 19 24.4%
Excl. CPU (microsec)100 132 32 32.0%
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)-11,944 -11,944 0 0.0%
Incl. PeakMemUse (bytes)70,456 70,456 0 0.0%
Incl. PeakMemUse (bytes) per call 10,065 10,065 0 0.0%
Excl. PeakMemUse (bytes)1,968 1,968 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% 30 2.7% 134 19.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function35 116.7% 32 23.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 30 100.0% 134 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -47 -156.7% 61 45.5% 0 N/A% 0 N/A%
unserialize@10 N/A% 42 140.0% 41 30.6% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%