Diff Report
Run #523f1f1f50546: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f1f1f50546Run #523f1dee40c1aDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)21,760 21,075 -685 -3.1%
Incl. Wall Time (microsec) per call 149 144 -5 -3.1%
Excl. Wall Time (microsec)2,334 2,285 -49 -2.1%
Incl. CPU (microsecs)18,451 18,293 -158 -0.9%
Incl. CPU (microsecs) per call 126 125 -1 -0.9%
Excl. CPU (microsec)2,127 2,093 -34 -1.6%
Incl. MemUse (bytes)2,609,640 2,609,712 72 0.0%
Incl. MemUse (bytes) per call 17,874 17,875 0 0.0%
Excl. MemUse (bytes)-422,040 -422,032 8 0.0%
Incl. PeakMemUse (bytes)2,969,608 2,982,696 13,088 0.4%
Incl. PeakMemUse (bytes) per call 20,340 20,429 90 0.4%
Excl. PeakMemUse (bytes)8,640 8,624 -16 -0.2%

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% -685 -20.5% -158 -5.1% 72 0.0% 13,088 7.0%
Exclusive Metrics Diff for Current Function-49 -7.2% -34 -21.5% 8 11.1% -16 -0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -685 -100.0% -158 -100.0% 72 100.0% 13,088 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -648 -94.6% -120 -75.9% -8 -11.1% -936 -7.2%
unserialize0 N/A% 24 3.5% 16 10.1% 64 88.9% 14,040 107.3%
explode0 N/A% -12 -1.8% -20 -12.7% 8 11.1% 0 0.0%