Diff Report
Run #523bd0c5929e9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523bd1075886b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523bd0c5929e9Run #523bd1075886bDiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)15,548 16,316 768 4.9%
Incl. Wall Time (microsec) per call 225 236 11 4.9%
Excl. Wall Time (microsec)1,406 1,466 60 4.3%
Incl. CPU (microsecs)12,989 13,464 475 3.7%
Incl. CPU (microsecs) per call 188 195 7 3.7%
Excl. CPU (microsec)1,324 1,347 23 1.7%
Incl. MemUse (bytes)1,656,192 1,656,192 0 0.0%
Incl. MemUse (bytes) per call 24,003 24,003 0 0.0%
Excl. MemUse (bytes)-242,800 -242,800 0 0.0%
Incl. PeakMemUse (bytes)2,109,256 2,109,256 0 0.0%
Incl. PeakMemUse (bytes) per call 30,569 30,569 0 0.0%
Excl. PeakMemUse (bytes)6,632 6,632 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% 768 43.9% 475 56.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function60 7.8% 23 4.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 768 100.0% 475 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 625 81.4% 360 75.8% 0 N/A% 0 N/A%
unserialize0 N/A% 53 6.9% 51 10.7% 0 N/A% 0 N/A%
explode0 N/A% 30 3.9% 41 8.6% 0 N/A% 0 N/A%