Diff Report
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89ec98250c: 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 #51b89dd280f98Run #51b89ec98250cDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,168 928 -240 -20.5%
Incl. Wall Time (microsec) per call 167 133 -34 -20.5%
Excl. Wall Time (microsec)166 146 -20 -12.0%
Incl. CPU (microsecs)857 712 -145 -16.9%
Incl. CPU (microsecs) per call 122 102 -21 -16.9%
Excl. CPU (microsec)151 143 -8 -5.3%
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 Function-20 -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%