Diff Report
Run #5199e51c1ee20: 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 #5199e51c1ee20Run #5199e3a2bf6f6DiffDiff%
Number of Function Calls136 136 0 0.0%
Incl. Wall Time (microsec)34,566 33,881 -685 -2.0%
Incl. Wall Time (microsec) per call 254 249 -5 -2.0%
Excl. Wall Time (microsec)2,944 2,907 -37 -1.3%
Incl. CPU (microsecs)32,001 28,002 -3,999 -12.5%
Incl. CPU (microsecs) per call 235 206 -29 -12.5%
Excl. CPU (microsec)0 4,001 4,001 N/A%
Incl. MemUse (bytes)938,620 938,620 0 0.0%
Incl. MemUse (bytes) per call 6,902 6,902 0 0.0%
Excl. MemUse (bytes)-395,248 -395,248 0 0.0%
Incl. PeakMemUse (bytes)1,508,656 1,508,656 0 0.0%
Incl. PeakMemUse (bytes) per call 11,093 11,093 0 0.0%
Excl. PeakMemUse (bytes)3,512 3,512 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% -685 -106.5% -3,999 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-37 -5.4% 4,001 100.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -685 -100.0% -3,999 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -630 -92.0% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -20 -2.9% -12,000 -300.1% 0 N/A% 0 N/A%
explode0 N/A% 2 0.3% 0 0.0% 0 N/A% 0 N/A%