Diff Report
Run #52353e715a325: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353d82849e7: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52353e715a325Run #52353d82849e7DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)15,821 16,040 219 1.4%
Incl. Wall Time (microsec) per call 188 191 3 1.4%
Excl. Wall Time (microsec)1,869 1,930 61 3.3%
Incl. CPU (microsecs)13,688 14,094 406 3.0%
Incl. CPU (microsecs) per call 163 168 5 3.0%
Excl. CPU (microsec)1,725 1,799 74 4.3%
Incl. MemUse (bytes)1,740,216 1,739,432 -784 -0.0%
Incl. MemUse (bytes) per call 20,717 20,708 -9 -0.0%
Excl. MemUse (bytes)-265,040 -264,888 152 0.1%
Incl. PeakMemUse (bytes)1,987,712 1,986,496 -1,216 -0.1%
Incl. PeakMemUse (bytes) per call 23,663 23,649 -14 -0.1%
Excl. PeakMemUse (bytes)8,360 8,352 -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 Function61 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%