Diff Report
Run #51a191a350534: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a19275db084: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a191a350534Run #51a19275db084DiffDiff%
Number of Function Calls64 77 13 20.3%
Incl. Wall Time (microsec)21,503 23,131 1,628 7.6%
Incl. Wall Time (microsec) per call 336 300 -36 -10.6%
Excl. Wall Time (microsec)1,528 1,802 274 17.9%
Incl. CPU (microsecs)12,001 24,002 12,001 100.0%
Incl. CPU (microsecs) per call 188 312 124 66.2%
Excl. CPU (microsec)0 8,001 8,001 N/A%
Incl. MemUse (bytes)688,628 725,064 36,436 5.3%
Incl. MemUse (bytes) per call 10,760 9,416 -1,343 -12.5%
Excl. MemUse (bytes)-167,824 -182,804 -14,980 -8.9%
Incl. PeakMemUse (bytes)943,924 1,046,232 102,308 10.8%
Incl. PeakMemUse (bytes) per call 14,749 13,587 -1,161 -7.9%
Excl. PeakMemUse (bytes)1,932 2,216 284 14.7%

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::prepareItem13 30.2% 1,628 2.5% 12,001 18.8% 36,436 8.0% 102,308 20.1%
Exclusive Metrics Diff for Current Function274 16.8% 8,001 66.7% -14,980 -41.1% 284 0.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple13 100.0% 1,628 100.0% 12,001 100.0% 36,436 100.0% 102,308 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags13 43.3% 1,138 69.9% 0 0.0% 4,336 11.9% 8,268 8.1%
unserialize13 43.3% 201 12.3% 4,000 33.3% 46,352 127.2% 93,752 91.6%
explode4 13.3% 15 0.9% 0 0.0% 728 2.0% 4 0.0%