Diff Report
Run #53195b6957e56: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195a48b6f09: 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 #53195b6957e56Run #53195a48b6f09DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)15,867 16,054 187 1.2%
Incl. Wall Time (microsec) per call 189 191 2 1.2%
Excl. Wall Time (microsec)1,249 1,267 18 1.4%
Incl. CPU (microsecs)15,369 15,566 197 1.3%
Incl. CPU (microsecs) per call 183 185 2 1.3%
Excl. CPU (microsec)1,138 1,167 29 2.5%
Incl. MemUse (bytes)2,525,736 2,525,736 0 0.0%
Incl. MemUse (bytes) per call 30,068 30,068 0 0.0%
Excl. MemUse (bytes)-354,056 -354,056 0 0.0%
Incl. PeakMemUse (bytes)3,040,360 3,040,360 0 0.0%
Incl. PeakMemUse (bytes) per call 36,195 36,195 0 0.0%
Excl. PeakMemUse (bytes)6,136 6,136 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% 187 8.2% 197 8.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function18 9.6% 29 14.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 187 100.0% 197 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 157 84.0% 156 79.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 14 7.5% 21 10.7% 0 N/A% 0 N/A%
explode0 N/A% -4 -2.1% -10 -5.1% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 2 1.1% 1 0.5% 0 N/A% 0 N/A%