Diff Report
Run #519af8e64a59b: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519af7f3cd409: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519af8e64a59bRun #519af7f3cd409DiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)8,447 8,477 30 0.4%
Incl. Wall Time (microsec) per call 113 113 0 0.4%
Excl. Wall Time (microsec)1,420 1,407 -13 -0.9%
Incl. CPU (microsecs)4,001 4,001 0 0.0%
Incl. CPU (microsecs) per call 53 53 0 0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,224,000 1,223,976 -24 -0.0%
Incl. MemUse (bytes) per call 16,320 16,320 -0 -0.0%
Excl. MemUse (bytes)-183,616 -183,624 -8 -0.0%
Incl. PeakMemUse (bytes)1,654,432 1,654,456 24 0.0%
Incl. PeakMemUse (bytes) per call 22,059 22,059 0 0.0%
Excl. PeakMemUse (bytes)7,400 7,544 144 1.9%

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% 30 2.1% 0 N/A% -24 -0.1% 24 0.1%
Exclusive Metrics Diff for Current Function-13 -43.3% 0 N/A% -8 -33.3% 144 600.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 30 100.0% 0 N/A% -24 -100.0% 24 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 130 433.3% 4,001 N/A% 0 0.0% -312 -1300.0%
unserialize0 N/A% -86 -286.7% -4,001 N/A% -16 -66.7% 192 800.0%
explode0 N/A% -1 -3.3% 0 N/A% 0 0.0% 0 0.0%