Diff Report
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffc4c0008b: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519ffb7471c72Run #519ffc4c0008bDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)871 892 21 2.4%
Incl. Wall Time (microsec) per call 124 127 3 2.4%
Excl. Wall Time (microsec)162 164 2 1.2%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 571 0 -571 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)37,640 37,628 -12 -0.0%
Incl. MemUse (bytes) per call 5,377 5,375 -2 -0.0%
Excl. MemUse (bytes)-11,628 -11,628 0 0.0%
Incl. PeakMemUse (bytes)43,504 43,492 -12 -0.0%
Incl. PeakMemUse (bytes) per call 6,215 6,213 -2 -0.0%
Excl. PeakMemUse (bytes)676 676 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% 21 0.7% -4,000 -100.0% -12 -0.1% -12 -0.1%
Exclusive Metrics Diff for Current Function2 9.5% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 21 100.0% -4,000 -100.0% -12 -100.0% -12 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 18 85.7% -4,000 -100.0% 0 0.0% 0 0.0%
explode0 N/A% 1 4.8% 0 0.0% 0 0.0% 0 0.0%
unserialize@10 N/A% 0 0.0% 0 0.0% -12 -100.0% -12 -100.0%