Diff Report
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195b6957e56: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53195a48b6f09Run #53195b6957e56DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)16,054 15,867 -187 -1.2%
Incl. Wall Time (microsec) per call 191 189 -2 -1.2%
Excl. Wall Time (microsec)1,267 1,249 -18 -1.4%
Incl. CPU (microsecs)15,566 15,369 -197 -1.3%
Incl. CPU (microsecs) per call 185 183 -2 -1.3%
Excl. CPU (microsec)1,167 1,138 -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 Function-18 -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%