Diff Report
Run #519bd4c5b5ac8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519bd405e5fe3: 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 #519bd4c5b5ac8Run #519bd405e5fe3DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)847 843 -4 -0.5%
Incl. Wall Time (microsec) per call 121 120 -1 -0.5%
Excl. Wall Time (microsec)137 136 -1 -0.7%
Incl. CPU (microsecs)711 710 -1 -0.1%
Incl. CPU (microsecs) per call 102 101 -0 -0.1%
Excl. CPU (microsec)128 129 1 0.8%
Incl. MemUse (bytes)75,888 75,888 0 0.0%
Incl. MemUse (bytes) per call 10,841 10,841 0 0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)65,464 65,464 0 0.0%
Incl. PeakMemUse (bytes) per call 9,352 9,352 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 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% -4 -0.1% -1 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -25.0% 1 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -4 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -5 -125.0% -4 -400.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 2 50.0% 2 200.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%