Diff Report
Run #51b89ec98250c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51b89ec98250cRun #51b89dd280f98DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)928 1,168 240 25.9%
Incl. Wall Time (microsec) per call 133 167 34 25.9%
Excl. Wall Time (microsec)146 166 20 13.7%
Incl. CPU (microsecs)712 857 145 20.4%
Incl. CPU (microsecs) per call 102 122 21 20.4%
Excl. CPU (microsec)143 151 8 5.6%
Incl. MemUse (bytes)75,656 75,656 0 0.0%
Incl. MemUse (bytes) per call 10,808 10,808 0 0.0%
Excl. MemUse (bytes)-11,720 -11,720 0 0.0%
Incl. PeakMemUse (bytes)71,880 71,880 0 0.0%
Incl. PeakMemUse (bytes) per call 10,269 10,269 0 0.0%
Excl. PeakMemUse (bytes)1,872 1,872 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% 240 1.7% 145 1.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function20 8.3% 8 5.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 240 100.0% 145 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 219 91.2% 132 91.0% 0 N/A% 0 N/A%
explode0 N/A% 6 2.5% 6 4.1% 0 N/A% 0 N/A%
unserialize@10 N/A% -5 -2.1% -1 -0.7% 0 N/A% 0 N/A%