Diff Report
Run #55919cdb0fed9: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #55919d1190958: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55919cdb0fed9Run #55919d1190958DiffDiff%
Number of Function Calls55 52 -3 -5.5%
Incl. Wall Time (microsec)4,619 4,020 -599 -13.0%
Incl. Wall Time (microsec) per call 84 77 -7 -7.9%
Excl. Wall Time (microsec)309 289 -20 -6.5%
Incl. MemUse (bytes)1,993,128 1,605,536 -387,592 -19.4%
Incl. MemUse (bytes) per call 36,239 30,876 -5,363 -14.8%
Excl. MemUse (bytes)-318,552 -239,312 79,240 24.9%
Incl. PeakMemUse (bytes)2,348,488 1,873,728 -474,760 -20.2%
Incl. PeakMemUse (bytes) per call 42,700 36,033 -6,667 -15.6%
Excl. PeakMemUse (bytes)480 480 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem-3 -25.0% -599 -7.4% -387,592 -45.1% -474,760 -52.7%
Exclusive Metrics Diff for Current Function-20 -3.3% 79,240 20.4% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-3 -100.0% -599 -100.0% -387,592 -100.0% -474,760 -100.0%
Child functions
unserialize-3 -33.3% -375 -62.6% -465,312 -120.1% -474,712 -100.0%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid-3 -33.3% -202 -33.7% -512 -0.1% -16 -0.0%
explode-3 -33.3% -2 -0.3% -1,008 -0.3% -32 -0.0%