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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53ccf06f3ae60Run #53ccf19d00e96DiffDiff%
Number of Function Calls87 87 0 0.0%
Incl. Wall Time (microsec)23,917 23,792 -125 -0.5%
Incl. Wall Time (microsec) per call 275 273 -1 -0.5%
Excl. Wall Time (microsec)811 792 -19 -2.3%
Incl. CPU (microsecs)22,353 22,222 -131 -0.6%
Incl. CPU (microsecs) per call 257 255 -2 -0.6%
Excl. CPU (microsec)696 668 -28 -4.0%
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 Function-19 -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%