Diff Report
Run #51a5545d76a23: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a562cdc3626: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a5545d76a23Run #51a562cdc3626DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)29,115 29,009 -106 -0.4%
Incl. Wall Time (microsec) per call 251 250 -1 -0.4%
Excl. Wall Time (microsec)2,645 2,576 -69 -2.6%
Incl. CPU (microsecs)32,003 40,001 7,998 25.0%
Incl. CPU (microsecs) per call 276 345 69 25.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)977,112 978,556 1,444 0.1%
Incl. MemUse (bytes) per call 8,423 8,436 12 0.1%
Excl. MemUse (bytes)-316,800 -317,464 -664 -0.2%
Incl. PeakMemUse (bytes)1,424,740 1,426,476 1,736 0.1%
Incl. PeakMemUse (bytes) per call 12,282 12,297 15 0.1%
Excl. PeakMemUse (bytes)3,252 3,252 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% -106 -0.6% 7,998 40.0% 1,444 2.1% 1,736 2.5%
Exclusive Metrics Diff for Current Function-69 -65.1% 4,000 50.0% -664 -46.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -106 -100.0% 7,998 100.0% 1,444 100.0% 1,736 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -53 -50.0% 16,000 200.1% 8 0.6% 256 14.7%
unserialize0 N/A% 16 15.1% -12,002 -150.1% 2,100 145.4% 1,480 85.3%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%