Diff Report
Run #52ed72044139b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52ed72fd446c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52ed72044139bRun #52ed72fd446c1DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)16,282 16,464 182 1.1%
Incl. Wall Time (microsec) per call 211 214 2 1.1%
Excl. Wall Time (microsec)1,849 1,975 126 6.8%
Incl. CPU (microsecs)15,862 16,046 184 1.2%
Incl. CPU (microsecs) per call 206 208 2 1.2%
Excl. CPU (microsec)1,736 1,858 122 7.0%
Incl. MemUse (bytes)1,866,696 1,866,696 0 0.0%
Incl. MemUse (bytes) per call 24,243 24,243 0 0.0%
Excl. MemUse (bytes)-279,552 -279,552 0 0.0%
Incl. PeakMemUse (bytes)1,614,320 1,614,320 0 0.0%
Incl. PeakMemUse (bytes) per call 20,965 20,965 0 0.0%
Excl. PeakMemUse (bytes)4,056 4,056 0 0.0%

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% 182 18.6% 184 9.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function126 69.2% 122 66.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 182 100.0% 184 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 526 289.0% 521 283.2% 0 N/A% 0 N/A%
unserialize0 N/A% -501 -275.3% -498 -270.7% 0 N/A% 0 N/A%
explode0 N/A% 31 17.0% 39 21.2% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%