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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5185bb5ce59fbRun #5185b9518e91eDiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)15,767 16,073 306 1.9%
Incl. Wall Time (microsec) per call 119 121 2 1.9%
Excl. Wall Time (microsec)1,419 1,434 15 1.1%
Incl. CPU (microsecs)24,001 8,000 -16,001 -66.7%
Incl. CPU (microsecs) per call 180 60 -120 -66.7%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)2,895,216 2,895,136 -80 -0.0%
Incl. MemUse (bytes) per call 21,769 21,768 -1 -0.0%
Excl. MemUse (bytes)-442,864 -442,888 -24 -0.0%
Incl. PeakMemUse (bytes)3,651,656 3,652,312 656 0.0%
Incl. PeakMemUse (bytes) per call 27,456 27,461 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 Function15 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%