Diff Report
Run #52f5c5484cf48: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52f5c5484cf48Run #52f5c520502f0DiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)5,842 5,932 90 1.5%
Incl. Wall Time (microsec) per call 85 86 1 1.5%
Excl. Wall Time (microsec)654 660 6 0.9%
Incl. CPU (microsecs)5,302 5,380 78 1.5%
Incl. CPU (microsecs) per call 77 78 1 1.5%
Excl. CPU (microsec)587 577 -10 -1.7%
Incl. MemUse (bytes)928,464 928,464 0 0.0%
Incl. MemUse (bytes) per call 13,456 13,456 0 0.0%
Excl. MemUse (bytes)-133,392 -133,392 0 0.0%
Incl. PeakMemUse (bytes)1,363,984 1,363,984 0 0.0%
Incl. PeakMemUse (bytes) per call 19,768 19,768 0 0.0%
Excl. PeakMemUse (bytes)7,976 7,976 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% 90 13.7% 78 13.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 6.7% -10 -12.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 90 100.0% 78 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 51 56.7% 55 70.5% 0 N/A% 0 N/A%
unserialize0 N/A% 33 36.7% 37 47.4% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -4 -5.1% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%