Diff Report
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518080a5ca60d: 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 #518081a41c05eRun #518080a5ca60dDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)436 487 51 11.7%
Incl. Wall Time (microsec) per call 62 70 7 11.7%
Excl. Wall Time (microsec)95 97 2 2.1%
Incl. CPU (microsecs)438 492 54 12.3%
Incl. CPU (microsecs) per call 63 70 8 12.3%
Excl. CPU (microsec)79 84 5 6.3%
Incl. MemUse (bytes)104,944 104,944 0 0.0%
Incl. MemUse (bytes) per call 14,992 14,992 0 0.0%
Excl. MemUse (bytes)-11,648 -11,648 0 0.0%
Incl. PeakMemUse (bytes)108,392 108,392 0 0.0%
Incl. PeakMemUse (bytes) per call 15,485 15,485 0 0.0%
Excl. PeakMemUse (bytes)2,040 2,040 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% 51 4.2% 54 4.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 3.9% 5 9.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 51 100.0% 54 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 41 80.4% 44 81.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 8 15.7% 5 9.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%