Diff Report
Run #52353d82849e7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353e715a325: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52353d82849e7Run #52353e715a325DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)16,040 15,821 -219 -1.4%
Incl. Wall Time (microsec) per call 191 188 -3 -1.4%
Excl. Wall Time (microsec)1,930 1,869 -61 -3.2%
Incl. CPU (microsecs)14,094 13,688 -406 -2.9%
Incl. CPU (microsecs) per call 168 163 -5 -2.9%
Excl. CPU (microsec)1,799 1,725 -74 -4.1%
Incl. MemUse (bytes)1,739,432 1,740,216 784 0.0%
Incl. MemUse (bytes) per call 20,708 20,717 9 0.0%
Excl. MemUse (bytes)-264,888 -265,040 -152 -0.1%
Incl. PeakMemUse (bytes)1,986,496 1,987,712 1,216 0.1%
Incl. PeakMemUse (bytes) per call 23,649 23,663 14 0.1%
Excl. PeakMemUse (bytes)8,352 8,360 8 0.1%

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% -219 -3.4% -406 -6.8% 784 0.7% 1,216 1.1%
Exclusive Metrics Diff for Current Function-61 -27.9% -74 -18.2% -152 -19.4% 8 0.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -219 -100.0% -406 -100.0% 784 100.0% 1,216 100.0%
Child functions
unserialize0 N/A% -84 -38.4% -82 -20.2% 920 117.3% 1,672 137.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -77 -35.2% -255 -62.8% 16 2.0% -464 -38.2%
explode0 N/A% 3 1.4% 5 1.2% 0 0.0% 0 0.0%