Diff Report
Run #51a4463d308ce: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a448a326782: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51a4463d308ceRun #51a448a326782DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)439 482 43 9.8%
Incl. Wall Time (microsec) per call 439 482 43 9.8%
Excl. Wall Time (microsec)31 33 2 6.5%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 4,000 4,000 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)22,300 22,304 4 0.0%
Incl. MemUse (bytes) per call 22,300 22,304 4 0.0%
Excl. MemUse (bytes)-6,976 -6,976 0 0.0%
Incl. PeakMemUse (bytes)27,380 27,384 4 0.0%
Incl. PeakMemUse (bytes) per call 27,380 27,384 4 0.0%
Excl. PeakMemUse (bytes)436 436 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% 43 0.3% 4,000 50.0% 4 0.0% 4 0.0%
Exclusive Metrics Diff for Current Function2 4.7% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 43 100.0% 4,000 100.0% 4 100.0% 4 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 36 83.7% 4,000 100.0% 0 0.0% 0 0.0%
unserialize@10 N/A% 6 14.0% 0 0.0% 4 100.0% 4 100.0%
explode0 N/A% -1 -2.3% 0 0.0% 0 0.0% 0 0.0%