Diff Report
Run #5199e5a1880e2: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #5199e3a2bf6f6: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5199e5a1880e2Run #5199e3a2bf6f6DiffDiff%
Number of Function Calls136 136 0 0.0%
Incl. Wall Time (microsec)34,029 33,881 -148 -0.4%
Incl. Wall Time (microsec) per call 250 249 -1 -0.4%
Excl. Wall Time (microsec)2,957 2,907 -50 -1.7%
Incl. CPU (microsecs)40,003 28,002 -12,001 -30.0%
Incl. CPU (microsecs) per call 294 206 -88 -30.0%
Excl. CPU (microsec)8,002 4,001 -4,001 -50.0%
Incl. MemUse (bytes)938,624 938,620 -4 -0.0%
Incl. MemUse (bytes) per call 6,902 6,902 -0 -0.0%
Excl. MemUse (bytes)-395,244 -395,248 -4 -0.0%
Incl. PeakMemUse (bytes)1,508,640 1,508,656 16 0.0%
Incl. PeakMemUse (bytes) per call 11,093 11,093 0 0.0%
Excl. PeakMemUse (bytes)3,508 3,512 4 0.1%

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% -148 -0.5% -12,001 -42.9% -4 -0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-50 -33.8% -4,001 -33.3% -4 -100.0% 4 25.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -148 -100.0% -12,001 -100.0% -4 -100.0% 16 100.0%
Child functions
unserialize0 N/A% -75 -50.7% -4,000 -33.3% -4 -100.0% -96 -600.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -23 -15.5% -4,000 -33.3% 4 100.0% 84 525.0%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 24 150.0%