Diff Report
Run #53ccf19d00e96: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53ccf19d00e96Run #53ccf06f3ae60DiffDiff%
Number of Function Calls87 87 0 0.0%
Incl. Wall Time (microsec)23,792 23,917 125 0.5%
Incl. Wall Time (microsec) per call 273 275 1 0.5%
Excl. Wall Time (microsec)792 811 19 2.4%
Incl. CPU (microsecs)22,222 22,353 131 0.6%
Incl. CPU (microsecs) per call 255 257 2 0.6%
Excl. CPU (microsec)668 696 28 4.2%
Incl. MemUse (bytes)5,820,648 5,820,648 0 0.0%
Incl. MemUse (bytes) per call 66,904 66,904 0 0.0%
Excl. MemUse (bytes)-534,120 -534,120 0 0.0%
Incl. PeakMemUse (bytes)6,516,136 6,516,136 0 0.0%
Incl. PeakMemUse (bytes) per call 74,898 74,898 0 0.0%
Excl. PeakMemUse (bytes)2,672 2,672 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% 125 9.5% 131 12.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function19 15.2% 28 21.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 125 100.0% 131 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 153 122.4% 90 68.7% 0 N/A% 0 N/A%
unserialize0 N/A% -42 -33.6% 20 15.3% 0 N/A% 0 N/A%
explode0 N/A% -5 -4.0% -7 -5.3% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%