Diff Report
Run #54811e8abf892: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54811b6aec43d: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54811e8abf892Run #54811b6aec43dDiffDiff%
Number of Function Calls118 118 0 0.0%
Incl. Wall Time (microsec)14,597 15,051 454 3.1%
Incl. Wall Time (microsec) per call 124 128 4 3.1%
Excl. Wall Time (microsec)1,068 1,080 12 1.1%
Incl. MemUse (bytes)2,653,936 2,654,288 352 0.0%
Incl. MemUse (bytes) per call 22,491 22,494 3 0.0%
Excl. MemUse (bytes)-1,050,808 -1,050,824 -16 -0.0%
Incl. PeakMemUse (bytes)3,755,328 3,755,552 224 0.0%
Incl. PeakMemUse (bytes) per call 31,825 31,827 2 0.0%
Excl. PeakMemUse (bytes)2,568 2,568 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::prepareItem0 N/A% 454 0.6% 352 0.5% 224 0.3%
Exclusive Metrics Diff for Current Function12 2.6% -16 -4.5% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 454 100.0% 352 100.0% 224 100.0%
Child functions
unserialize0 N/A% 434 95.6% 392 111.4% 312 139.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 7 1.5% -40 -11.4% -88 -39.3%
explode0 N/A% 2 0.4% 16 4.5% 0 0.0%
Composer\Autoload\ClassLoader::loadClass0 N/A% -1 -0.2% 0 0.0% 0 0.0%