[ https://issues.apache.org/jira/browse/SPARK-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Liang-Chi Hsieh updated SPARK-4797: ----------------------------------- Description: This PR replaces slow breezeSquaredDistance. A simple calculation involving 40000 squared distances between the vectors of 20000 dims shows: * breezeSquaredDistance: ~12 secs * This PR: ~10.5 secs was: This PR replaces slow breezeSquaredDistance. A simple calculation involving 40000 vectors of 20000 dims shows: * breezeSquaredDistance: ~12 secs * This PR: ~10.5 secs > Replace breezeSquaredDistance > ----------------------------- > > Key: SPARK-4797 > URL: https://issues.apache.org/jira/browse/SPARK-4797 > Project: Spark > Issue Type: Improvement > Reporter: Liang-Chi Hsieh > Priority: Minor > > This PR replaces slow breezeSquaredDistance. A simple calculation involving > 40000 squared distances between the vectors of 20000 dims shows: > * breezeSquaredDistance: ~12 secs > * This PR: ~10.5 secs -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org