Diff Report
Run #54e146d617a96: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e141c217b7e: 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 #54e146d617a96Run #54e141c217b7eDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)8,773 9,529 756 8.6%
Incl. Wall Time (microsec) per call 100 108 9 8.6%
Excl. Wall Time (microsec)891 1,008 117 13.1%
Incl. MemUse (bytes)1,452,112 1,452,456 344 0.0%
Incl. MemUse (bytes) per call 16,501 16,505 4 0.0%
Excl. MemUse (bytes)-196,056 -196,080 -24 -0.0%
Incl. PeakMemUse (bytes)1,350,168 1,323,136 -27,032 -2.0%
Incl. PeakMemUse (bytes) per call 15,343 15,036 -307 -2.0%
Excl. PeakMemUse (bytes)560 560 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 756 1.0% 344 0.0% -27,032 -1.6%
Exclusive Metrics Diff for Current Function117 15.5% -24 -7.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 756 100.0% 344 100.0% -27,032 -100.0%
Child functions
unserialize0 N/A% 514 68.0% 368 107.0% -22,216 -82.2%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 126 16.7% 0 0.0% -4,768 -17.6%
explode0 N/A% -1 -0.1% 0 0.0% -48 -0.2%