[ https://issues.apache.org/jira/browse/SPARK-31032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
zhengruifeng reassigned SPARK-31032: ------------------------------------ Assignee: zhengruifeng > GMM compute summary and update distributions in one pass > -------------------------------------------------------- > > Key: SPARK-31032 > URL: https://issues.apache.org/jira/browse/SPARK-31032 > Project: Spark > Issue Type: Improvement > Components: ML > Affects Versions: 3.1.0 > Reporter: zhengruifeng > Assignee: zhengruifeng > Priority: Minor > > In current impl, GMM need to trigger two jobs at one iteration: > 1, one to compute summary; > {color:#172b4d}2, if > {{{color}{color:#c7a65d}{color:#172b4d}shouldDistributeGaussians}} > {color}{color}((k - {color:#4dacf0}1.0{color}) / k) * numFeatures > > {color:#4dacf0}25.0,{color} > {color:#c7a65d}{color:#172b4d}trigger another to update distributions;{color} > {color} > > {color:#c7a65d}{color:#172b4d}shouldDistributeGaussians is almost true in > practice, since numFeatures is likely to be greater than 25.{color}{color} > > {color:#c7a65d}{color:#172b4d}We can use only one job to impl above > computation,{color}{color} -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org