Diff Report
Run #51a5621969453: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a5545d76a23: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a5621969453Run #51a5545d76a23DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)29,191 29,115 -76 -0.3%
Incl. Wall Time (microsec) per call 252 251 -1 -0.3%
Excl. Wall Time (microsec)2,637 2,645 8 0.3%
Incl. CPU (microsecs)24,001 32,003 8,002 33.3%
Incl. CPU (microsecs) per call 207 276 69 33.3%
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 Function8 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%