Diff Report
Run #5185b9518e91e: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #5185bb5ce59fb: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5185b9518e91eRun #5185bb5ce59fbDiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)16,073 15,767 -306 -1.9%
Incl. Wall Time (microsec) per call 121 119 -2 -1.9%
Excl. Wall Time (microsec)1,434 1,419 -15 -1.0%
Incl. CPU (microsecs)8,000 24,001 16,001 200.0%
Incl. CPU (microsecs) per call 60 180 120 200.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)2,895,136 2,895,216 80 0.0%
Incl. MemUse (bytes) per call 21,768 21,769 1 0.0%
Excl. MemUse (bytes)-442,888 -442,864 24 0.0%
Incl. PeakMemUse (bytes)3,652,312 3,651,656 -656 -0.0%
Incl. PeakMemUse (bytes) per call 27,461 27,456 -5 -0.0%
Excl. PeakMemUse (bytes)16,608 16,608 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% -306 -5.4% 16,001 N/A% 80 0.4% -656 -2.5%
Exclusive Metrics Diff for Current Function-15 -4.9% 0 0.0% 24 30.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -306 -100.0% 16,001 100.0% 80 100.0% -656 -100.0%
Child functions
unserialize0 N/A% -277 -90.5% 8,000 50.0% 96 120.0% -360 -54.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -14 -4.6% 8,001 50.0% -32 -40.0% -280 -42.7%
explode0 N/A% 0 0.0% 0 0.0% -8 -10.0% -16 -2.4%