Diff Report
Run #5185b9518e91e: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #5185bad3711d6: 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 #5185bad3711d6DiffDiff%
Number of Function Calls133 133 0 0.0%
Incl. Wall Time (microsec)16,073 15,731 -342 -2.1%
Incl. Wall Time (microsec) per call 121 118 -3 -2.1%
Excl. Wall Time (microsec)1,434 1,429 -5 -0.3%
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 4,000 4,000 N/A%
Incl. MemUse (bytes)2,895,136 2,896,008 872 0.0%
Incl. MemUse (bytes) per call 21,768 21,774 7 0.0%
Excl. MemUse (bytes)-442,888 -442,944 -56 -0.0%
Incl. PeakMemUse (bytes)3,652,312 3,653,392 1,080 0.0%
Incl. PeakMemUse (bytes) per call 27,461 27,469 8 0.0%
Excl. PeakMemUse (bytes)16,608 16,488 -120 -0.7%

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% -342 -1425.0% 16,001 1600100.0% 872 107.9% 1,080 102.3%
Exclusive Metrics Diff for Current Function-5 -1.5% 4,000 25.0% -56 -6.4% -120 -11.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -342 -100.0% 16,001 100.0% 872 100.0% 1,080 100.0%
Child functions
unserialize0 N/A% -303 -88.6% 4,001 25.0% 896 102.8% 1,216 112.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -34 -9.9% 8,000 50.0% 32 3.7% -16 -1.5%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%