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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519af7f3cd409Run #519af8e64a59bDiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)8,477 8,447 -30 -0.4%
Incl. Wall Time (microsec) per call 113 113 -0 -0.4%
Excl. Wall Time (microsec)1,407 1,420 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)1,223,976 1,224,000 24 0.0%
Incl. MemUse (bytes) per call 16,320 16,320 0 0.0%
Excl. MemUse (bytes)-183,624 -183,616 8 0.0%
Incl. PeakMemUse (bytes)1,654,456 1,654,432 -24 -0.0%
Incl. PeakMemUse (bytes) per call 22,059 22,059 -0 -0.0%
Excl. PeakMemUse (bytes)7,544 7,400 -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 Function13 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%