Diff Report
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d435bff29d8: XHProf Run (Namespace=drupal-perf-joelpittet)
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 #53d4352fc0c61Run #53d435bff29d8DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)5,926 6,078 152 2.6%
Incl. Wall Time (microsec) per call 1,975 2,026 51 2.6%
Excl. Wall Time (microsec)66 69 3 4.5%
Incl. CPU (microsecs)5,932 6,083 151 2.5%
Incl. CPU (microsecs) per call 1,977 2,028 50 2.5%
Excl. CPU (microsec)59 60 1 1.7%
Incl. MemUse (bytes)1,506,824 1,506,824 0 0.0%
Incl. MemUse (bytes) per call 502,275 502,275 0 0.0%
Excl. MemUse (bytes)-179,808 -179,808 0 0.0%
Incl. PeakMemUse (bytes)1,623,600 1,623,600 0 0.0%
Incl. PeakMemUse (bytes) per call 541,200 541,200 0 0.0%
Excl. PeakMemUse (bytes)336 336 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% 152 5.7% 151 5.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 2.0% 1 0.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 152 100.0% 151 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 142 93.4% 142 94.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 6 3.9% 5 3.3% 0 N/A% 0 N/A%
explode0 N/A% 1 0.7% 3 2.0% 0 N/A% 0 N/A%