Diff Report
Run #51afe9a0d59b4: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe9f952272: 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 #51afe9a0d59b4Run #51afe9f952272DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)787 757 -30 -3.8%
Incl. Wall Time (microsec) per call 112 108 -4 -3.8%
Excl. Wall Time (microsec)147 112 -35 -23.8%
Incl. CPU (microsecs)683 549 -134 -19.6%
Incl. CPU (microsecs) per call 98 78 -19 -19.6%
Excl. CPU (microsec)132 100 -32 -24.2%
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 Function-35 -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%