You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@mahout.apache.org by "Bryce Nyeggen (Updated) (JIRA)" <ji...@apache.org> on 2012/01/27 21:44:10 UTC
[jira] [Updated] (MAHOUT-963) GenericUserPreferenceArray and
GenericItemPreferenceArray use selection sorts
[ https://issues.apache.org/jira/browse/MAHOUT-963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bryce Nyeggen updated MAHOUT-963:
---------------------------------
Status: Patch Available (was: Open)
Changes from selection sort to comb sort
> GenericUserPreferenceArray and GenericItemPreferenceArray use selection sorts
> -----------------------------------------------------------------------------
>
> Key: MAHOUT-963
> URL: https://issues.apache.org/jira/browse/MAHOUT-963
> Project: Mahout
> Issue Type: Bug
> Components: Collaborative Filtering
> Affects Versions: 0.6
> Reporter: Bryce Nyeggen
> Assignee: Sean Owen
> Fix For: 0.6
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Both PreferenceArray implementations use selection sorts with poor performance. These sorts are invoked during construction of GenericDataModels, causing excessive construction time.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira