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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f1dee40c1aRun #523f1f1f50546DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)21,075 21,760 685 3.3%
Incl. Wall Time (microsec) per call 144 149 5 3.3%
Excl. Wall Time (microsec)2,285 2,334 49 2.1%
Incl. CPU (microsecs)18,293 18,451 158 0.9%
Incl. CPU (microsecs) per call 125 126 1 0.9%
Excl. CPU (microsec)2,093 2,127 34 1.6%
Incl. MemUse (bytes)2,609,712 2,609,640 -72 -0.0%
Incl. MemUse (bytes) per call 17,875 17,874 -0 -0.0%
Excl. MemUse (bytes)-422,032 -422,040 -8 -0.0%
Incl. PeakMemUse (bytes)2,982,696 2,969,608 -13,088 -0.4%
Incl. PeakMemUse (bytes) per call 20,429 20,340 -90 -0.4%
Excl. PeakMemUse (bytes)8,624 8,640 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 Function49 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%