Diff Report
Run #51a448a326782: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4463d308ce: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a448a326782Run #51a4463d308ceDiffDiff%
Number of Function Calls79 79 0 0.0%
Incl. Wall Time (microsec)21,176 21,177 1 0.0%
Incl. Wall Time (microsec) per call 268 268 0 0.0%
Excl. Wall Time (microsec)2,151 2,102 -49 -2.3%
Incl. CPU (microsecs)24,001 28,003 4,002 16.7%
Incl. CPU (microsecs) per call 304 354 51 16.7%
Excl. CPU (microsec)4,001 0 -4,001 -100.0%
Incl. MemUse (bytes)791,632 789,736 -1,896 -0.2%
Incl. MemUse (bytes) per call 10,021 9,997 -24 -0.2%
Excl. MemUse (bytes)-226,032 -225,004 1,028 0.5%
Incl. PeakMemUse (bytes)1,103,116 1,105,532 2,416 0.2%
Incl. PeakMemUse (bytes) per call 13,963 13,994 31 0.2%
Excl. PeakMemUse (bytes)1,628 1,576 -52 -3.2%

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% 1 0.0% 4,002 50.0% -1,896 -1.7% 2,416 2.2%
Exclusive Metrics Diff for Current Function-49 -4900.0% -4,001 -100.0% 1,028 54.2% -52 -2.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1 100.0% 4,002 100.0% -1,896 -100.0% 2,416 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 63 6300.0% 4,000 100.0% 0 0.0% -184 -7.6%
unserialize0 N/A% -9 -900.0% 8,003 200.0% -2,924 -154.2% 2,652 109.8%
explode0 N/A% -4 -400.0% -4,000 -100.0% 0 0.0% 0 0.0%