[jira] [Commented] (MAHOUT-881) Refactor TopItems to use Lucene's PriorityQueue and remove excessive sorting

2011-11-12 Thread Yonik Seeley (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149130#comment-13149130 ] Yonik Seeley commented on MAHOUT-881: - One last note: *if* the number of competi

[jira] [Commented] (MAHOUT-881) Refactor TopItems to use Lucene's PriorityQueue and remove excessive sorting

2011-11-12 Thread Yonik Seeley (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149112#comment-13149112 ] Yonik Seeley commented on MAHOUT-881: - Grant's patch should probably also co

[jira] [Commented] (MAHOUT-881) Refactor TopItems to use Lucene's PriorityQueue and remove excessive sorting

2011-11-12 Thread Yonik Seeley (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149111#comment-13149111 ] Yonik Seeley commented on MAHOUT-881: - bq. Why are there fewer operations? Both

[jira] [Commented] (MAHOUT-881) Refactor TopItems to use Lucene's PriorityQueue and remove excessive sorting

2011-11-12 Thread Yonik Seeley (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149106#comment-13149106 ] Yonik Seeley commented on MAHOUT-881: - Grant's patch seems to half the num

Re: TopItems.getTopUsers()

2011-11-08 Thread Yonik Seeley
On Tue, Nov 8, 2011 at 7:46 PM, Grant Ingersoll wrote: > Also, FWIW, Lucene's PQ implementation is faster than Java's, from what I > understand (which is why we wrote our own). That's why we *kept* our own (it predates the standard JDK implementation). The existence of adjustTop() (and our use o

[jira] [Commented] (MAHOUT-862) MurmurHash 3.0

2011-11-02 Thread Yonik Seeley (Commented) (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142261#comment-13142261 ] Yonik Seeley commented on MAHOUT-862: - The test case I used is here: h