Diff Report
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #539fd2b68bc13Run #539fd0a78f1b7DiffDiff%
Number of Function Calls104 104 0 0.0%
Incl. Wall Time (microsec)36,974 36,475 -499 -1.3%
Incl. Wall Time (microsec) per call 356 351 -5 -1.3%
Excl. Wall Time (microsec)2,283 2,112 -171 -7.5%
Incl. CPU (microsecs)36,324 35,689 -635 -1.7%
Incl. CPU (microsecs) per call 349 343 -6 -1.7%
Excl. CPU (microsec)2,014 1,878 -136 -6.8%
Incl. MemUse (bytes)5,400,104 5,400,336 232 0.0%
Incl. MemUse (bytes) per call 51,924 51,926 2 0.0%
Excl. MemUse (bytes)-577,128 -577,144 -16 -0.0%
Incl. PeakMemUse (bytes)5,745,952 5,663,320 -82,632 -1.4%
Incl. PeakMemUse (bytes) per call 55,250 54,455 -795 -1.4%
Excl. PeakMemUse (bytes)4,512 4,728 216 4.8%

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% -499 -1.2% -635 -1.6% 232 0.0% -82,632 -5.0%
Exclusive Metrics Diff for Current Function-171 -34.3% -136 -21.4% -16 -6.9% 216 0.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -499 -100.0% -635 -100.0% 232 100.0% -82,632 -100.0%
Child functions
unserialize0 N/A% -493 -98.8% -590 -92.9% 272 117.2% -81,328 -98.4%
spl_autoload_call0 N/A% 330 66.1% 332 52.3% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -131 -26.3% -188 -29.6% 16 6.9% -1,536 -1.9%
explode0 N/A% -34 -6.8% -53 -8.3% -40 -17.2% 16 0.0%