Diff Report
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eada161e65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ead03a5283Run #519eada161e65DiffDiff%
Number of Function Calls101 101 0 0.0%
Incl. Wall Time (microsec)23,190 24,715 1,525 6.6%
Incl. Wall Time (microsec) per call 230 245 15 6.6%
Excl. Wall Time (microsec)1,702 1,737 35 2.1%
Incl. CPU (microsecs)19,169 19,126 -43 -0.2%
Incl. CPU (microsecs) per call 190 189 -0 -0.2%
Excl. CPU (microsec)1,574 1,591 17 1.1%
Incl. MemUse (bytes)1,940,280 1,940,280 0 0.0%
Incl. MemUse (bytes) per call 19,211 19,211 0 0.0%
Excl. MemUse (bytes)-300,040 -300,040 0 0.0%
Incl. PeakMemUse (bytes)1,978,704 1,978,704 0 0.0%
Incl. PeakMemUse (bytes) per call 19,591 19,591 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% 1,525 1303.4% -43 -2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function35 2.3% 17 39.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,525 100.0% -43 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 795 52.1% -223 -518.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 682 44.7% 152 353.5% 0 N/A% 0 N/A%
explode0 N/A% 13 0.9% 11 25.6% 0 N/A% 0 N/A%