Diff Report
Run #51a5545d76a23: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a5621969453: 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 #51a5621969453DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)29,115 29,191 76 0.3%
Incl. Wall Time (microsec) per call 251 252 1 0.3%
Excl. Wall Time (microsec)2,645 2,637 -8 -0.3%
Incl. CPU (microsecs)32,003 24,001 -8,002 -25.0%
Incl. CPU (microsecs) per call 276 207 -69 -25.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)977,112 977,112 0 0.0%
Incl. MemUse (bytes) per call 8,423 8,423 0 0.0%
Excl. MemUse (bytes)-316,800 -316,800 0 0.0%
Incl. PeakMemUse (bytes)1,424,740 1,424,740 0 0.0%
Incl. PeakMemUse (bytes) per call 12,282 12,282 0 0.0%
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% 76 4.7% -8,002 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -10.5% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 76 100.0% -8,002 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 114 150.0% -16,002 -200.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -43 -56.6% 8,000 100.0% 0 N/A% 0 N/A%
explode0 N/A% 13 17.1% 0 0.0% 0 N/A% 0 N/A%