Diff Report
Run #52c2677cc22b0: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c2691acb42f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52c2677cc22b0Run #52c2691acb42fDiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)11,686 11,536 -150 -1.3%
Incl. Wall Time (microsec) per call 174 172 -2 -1.3%
Excl. Wall Time (microsec)1,406 1,391 -15 -1.1%
Incl. CPU (microsecs)11,365 11,231 -134 -1.2%
Incl. CPU (microsecs) per call 170 168 -2 -1.2%
Excl. CPU (microsec)1,310 1,268 -42 -3.2%
Incl. MemUse (bytes)1,234,816 1,234,816 0 0.0%
Incl. MemUse (bytes) per call 18,430 18,430 0 0.0%
Excl. MemUse (bytes)-197,272 -197,272 0 0.0%
Incl. PeakMemUse (bytes)1,474,480 1,474,480 0 0.0%
Incl. PeakMemUse (bytes) per call 22,007 22,007 0 0.0%
Excl. PeakMemUse (bytes)3,680 3,680 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% -150 -2.3% -134 -2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-15 -10.0% -42 -31.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -150 -100.0% -134 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -101 -67.3% -75 -56.0% 0 N/A% 0 N/A%
unserialize0 N/A% -30 -20.0% -20 -14.9% 0 N/A% 0 N/A%
explode0 N/A% -4 -2.7% 3 2.2% 0 N/A% 0 N/A%