Diff Report
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e2ae29e1b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5394e21e9bd45Run #5394e2ae29e1bDiffDiff%
Number of Function Calls168 168 0 0.0%
Incl. Wall Time (microsec)39,426 39,777 351 0.9%
Incl. Wall Time (microsec) per call 235 237 2 0.9%
Excl. Wall Time (microsec)2,913 2,989 76 2.6%
Incl. CPU (microsecs)37,487 37,845 358 1.0%
Incl. CPU (microsecs) per call 223 225 2 1.0%
Excl. CPU (microsec)2,588 2,658 70 2.7%
Incl. MemUse (bytes)4,012,600 4,012,600 0 0.0%
Incl. MemUse (bytes) per call 23,885 23,885 0 0.0%
Excl. MemUse (bytes)-599,672 -599,672 0 0.0%
Incl. PeakMemUse (bytes)3,915,960 3,915,960 0 0.0%
Incl. PeakMemUse (bytes) per call 23,309 23,309 0 0.0%
Excl. PeakMemUse (bytes)5,016 5,016 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% 351 10.2% 358 9.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function76 21.7% 70 19.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 351 100.0% 358 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 186 53.0% 186 52.0% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 115 32.8% 116 32.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -24 -6.8% -8 -2.2% 0 N/A% 0 N/A%
explode0 N/A% -2 -0.6% -6 -1.7% 0 N/A% 0 N/A%