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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54811b6aec43dRun #54811e8abf892DiffDiff%
Number of Function Calls118 118 0 0.0%
Incl. Wall Time (microsec)15,051 14,597 -454 -3.0%
Incl. Wall Time (microsec) per call 128 124 -4 -3.0%
Excl. Wall Time (microsec)1,080 1,068 -12 -1.1%
Incl. MemUse (bytes)2,654,288 2,653,936 -352 -0.0%
Incl. MemUse (bytes) per call 22,494 22,491 -3 -0.0%
Excl. MemUse (bytes)-1,050,824 -1,050,808 16 0.0%
Incl. PeakMemUse (bytes)3,755,552 3,755,328 -224 -0.0%
Incl. PeakMemUse (bytes) per call 31,827 31,825 -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 Function-12 -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%