Diff Report
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d435bff29d8: 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 #53d4352fc0c61Run #53d435bff29d8DiffDiff%
Number of Function Calls89 89 0 0.0%
Incl. Wall Time (microsec)31,842 31,822 -20 -0.1%
Incl. Wall Time (microsec) per call 358 358 -0 -0.1%
Excl. Wall Time (microsec)1,675 1,625 -50 -3.0%
Incl. CPU (microsecs)31,297 31,220 -77 -0.2%
Incl. CPU (microsecs) per call 352 351 -1 -0.2%
Excl. CPU (microsec)1,491 1,427 -64 -4.3%
Incl. MemUse (bytes)5,735,560 5,735,560 0 0.0%
Incl. MemUse (bytes) per call 64,444 64,444 0 0.0%
Excl. MemUse (bytes)-533,560 -533,560 0 0.0%
Incl. PeakMemUse (bytes)5,988,936 5,988,936 0 0.0%
Incl. PeakMemUse (bytes) per call 67,291 67,291 0 0.0%
Excl. PeakMemUse (bytes)3,168 3,168 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% -20 -0.8% -77 -2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-50 -250.0% -64 -83.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -20 -100.0% -77 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 154 770.0% 123 159.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -128 -640.0% -152 -197.4% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 17 85.0% 16 20.8% 0 N/A% 0 N/A%
explode0 N/A% -13 -65.0% 0 0.0% 0 N/A% 0 N/A%