Diff Report
Run #5230aa47d621c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5230a98f3b26c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5230aa47d621cRun #5230a98f3b26cDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)10,351 10,807 456 4.4%
Incl. Wall Time (microsec) per call 148 154 7 4.4%
Excl. Wall Time (microsec)1,348 1,371 23 1.7%
Incl. CPU (microsecs)9,201 9,365 164 1.8%
Incl. CPU (microsecs) per call 131 134 2 1.8%
Excl. CPU (microsec)1,256 1,295 39 3.1%
Incl. MemUse (bytes)1,164,040 1,163,192 -848 -0.1%
Incl. MemUse (bytes) per call 16,629 16,617 -12 -0.1%
Excl. MemUse (bytes)-174,008 -173,840 168 0.1%
Incl. PeakMemUse (bytes)1,605,576 1,604,952 -624 -0.0%
Incl. PeakMemUse (bytes) per call 22,937 22,928 -9 -0.0%
Excl. PeakMemUse (bytes)8,288 8,496 208 2.5%

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% 456 53.8% 164 18.0% -848 -1.3% -624 -1.0%
Exclusive Metrics Diff for Current Function23 5.0% 39 23.8% 168 19.8% 208 33.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 456 100.0% 164 100.0% -848 -100.0% -624 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 340 74.6% 45 27.4% -8 -0.9% -24 -3.8%
unserialize0 N/A% 93 20.4% 78 47.6% -1,008 -118.9% -808 -129.5%
explode0 N/A% 0 0.0% 2 1.2% 0 0.0% 0 0.0%