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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a19275db084Run #51a191a350534DiffDiff%
Number of Function Calls77 64 -13 -16.9%
Incl. Wall Time (microsec)23,131 21,503 -1,628 -7.0%
Incl. Wall Time (microsec) per call 300 336 36 11.8%
Excl. Wall Time (microsec)1,802 1,528 -274 -15.2%
Incl. CPU (microsecs)24,002 12,001 -12,001 -50.0%
Incl. CPU (microsecs) per call 312 188 -124 -39.8%
Excl. CPU (microsec)8,001 0 -8,001 -100.0%
Incl. MemUse (bytes)725,064 688,628 -36,436 -5.0%
Incl. MemUse (bytes) per call 9,416 10,760 1,343 14.3%
Excl. MemUse (bytes)-182,804 -167,824 14,980 8.2%
Incl. PeakMemUse (bytes)1,046,232 943,924 -102,308 -9.8%
Incl. PeakMemUse (bytes) per call 13,587 14,749 1,161 8.5%
Excl. PeakMemUse (bytes)2,216 1,932 -284 -12.8%

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::prepareItem-13 -30.2% -1,628 -2.5% -12,001 -18.8% -36,436 -8.0% -102,308 -20.1%
Exclusive Metrics Diff for Current Function-274 -16.8% -8,001 -66.7% 14,980 41.1% -284 -0.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-13 -100.0% -1,628 -100.0% -12,001 -100.0% -36,436 -100.0% -102,308 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags-13 -43.3% -1,138 -69.9% 0 0.0% -4,336 -11.9% -8,268 -8.1%
unserialize-13 -43.3% -201 -12.3% -4,000 -33.3% -46,352 -127.2% -93,752 -91.6%
explode-4 -13.3% -15 -0.9% 0 0.0% -728 -2.0% -4 -0.0%