Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)435 477 42 9.7%
Incl. Wall Time (microsec) per call 62 68 6 9.7%
Excl. Wall Time (microsec)89 105 16 18.0%
Incl. CPU (microsecs)444 482 38 8.6%
Incl. CPU (microsecs) per call 63 69 5 8.6%
Excl. CPU (microsec)79 91 12 15.2%
Incl. MemUse (bytes)104,936 104,936 0 0.0%
Incl. MemUse (bytes) per call 14,991 14,991 0 0.0%
Excl. MemUse (bytes)-11,648 -11,648 0 0.0%
Incl. PeakMemUse (bytes)108,224 108,224 0 0.0%
Incl. PeakMemUse (bytes) per call 15,461 15,461 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% 42 0.0% 38 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function16 38.1% 12 31.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 42 100.0% 38 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 29 69.0% 32 84.2% 0 N/A% 0 N/A%
unserialize@10 N/A% -3 -7.1% -1 -2.6% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -5 -13.2% 0 N/A% 0 N/A%