Diff Report
Run #5199e3a2bf6f6: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #5199e51c1ee20: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5199e3a2bf6f6Run #5199e51c1ee20DiffDiff%
Number of Function Calls136 136 0 0.0%
Incl. Wall Time (microsec)33,881 34,566 685 2.0%
Incl. Wall Time (microsec) per call 249 254 5 2.0%
Excl. Wall Time (microsec)2,907 2,944 37 1.3%
Incl. CPU (microsecs)28,002 32,001 3,999 14.3%
Incl. CPU (microsecs) per call 206 235 29 14.3%
Excl. CPU (microsec)4,001 0 -4,001 -100.0%
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 Function37 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%