Diff Report
Run #51afe9a0d59b4: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe9f952272: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51afe9a0d59b4Run #51afe9f952272DiffDiff%
Number of Function Calls96 96 0 0.0%
Incl. Wall Time (microsec)30,162 29,229 -933 -3.1%
Incl. Wall Time (microsec) per call 314 304 -10 -3.1%
Excl. Wall Time (microsec)1,895 1,836 -59 -3.1%
Incl. CPU (microsecs)23,100 22,277 -823 -3.6%
Incl. CPU (microsecs) per call 241 232 -9 -3.6%
Excl. CPU (microsec)1,778 1,698 -80 -4.5%
Incl. MemUse (bytes)1,958,208 1,958,208 0 0.0%
Incl. MemUse (bytes) per call 20,398 20,398 0 0.0%
Excl. MemUse (bytes)-267,264 -267,264 0 0.0%
Incl. PeakMemUse (bytes)2,258,160 2,258,160 0 0.0%
Incl. PeakMemUse (bytes) per call 23,523 23,523 0 0.0%
Excl. PeakMemUse (bytes)5,672 5,672 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% -933 -85.0% -823 -118.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-59 -6.3% -80 -9.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -933 -100.0% -823 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -778 -83.4% -626 -76.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -71 -7.6% -95 -11.5% 0 N/A% 0 N/A%
explode0 N/A% -25 -2.7% -22 -2.7% 0 N/A% 0 N/A%