You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/09/02 23:33:01 UTC
[jira] [Closed] (SYSTEMML-1882) Perftest: Kmeans shows different
behavior compared to previous releases
[ https://issues.apache.org/jira/browse/SYSTEMML-1882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias Boehm closed SYSTEMML-1882.
------------------------------------
> Perftest: Kmeans shows different behavior compared to previous releases
> -----------------------------------------------------------------------
>
> Key: SYSTEMML-1882
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1882
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Blocker
> Fix For: SystemML 1.0
>
>
> The current SystemML master shows different convergence behavior on the perftest Kmeans scenarios. Triggered by significantly increased execution times, a comparison with 0.14 showed the following output (note the different number of iterations):
> With SystemML 0.14
> {code}
> Run 1, Iteration 1: Terminated with code = 3, Centroid WCSS = 1.1884874830960146E11
> Run 3, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 2, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 7, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 6, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 9, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 8, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 4, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 5, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> Run 10, Iteration 2: Terminated with code = 1, Centroid WCSS = 1.1836165397662901E11
> {code}
> With SystemML master:
> {code}
> Run 8, Iteration 12: Terminated with code = 1, Centroid WCSS = 1.0897515693466766E11
> Run 4, Iteration 14: Terminated with code = 1, Centroid WCSS = 1.0900183622869571E11
> Run 1, Iteration 15: Terminated with code = 1, Centroid WCSS = 1.0892913262046584E11
> Run 2, Iteration 16: Terminated with code = 1, Centroid WCSS = 1.0893145533814377E11
> Run 6, Iteration 17: Terminated with code = 1, Centroid WCSS = 1.0881596327984634E11
> Run 3, Iteration 17: Terminated with code = 1, Centroid WCSS = 1.0910103829718127E11
> Run 7, Iteration 20: Terminated with code = 1, Centroid WCSS = 1.089467832141638E11
> Run 10, Iteration 20: Terminated with code = 2, Centroid WCSS = 1.0873719552339151E11
> Run 5, Iteration 20: Terminated with code = 2, Centroid WCSS = 1.0891758743999176E11
> Run 9, Iteration 20: Terminated with code = 2, Centroid WCSS = 1.089222095610236E11
> {code}
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)