[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-20 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868520#comment-16868520 ] Alex D Herbert commented on RNG-104: Oops. It would be 2^log2(150) bigger. So about 2^

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-20 Thread Gilles (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868507#comment-16868507 ] Gilles commented on RNG-104: 0.1 ns -> 15 ns 2^969 years -> 145,350 years (?) > SeedFactory see

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-20 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868448#comment-16868448 ] Alex D Herbert commented on RNG-104: {quote}I don't understand why you changed it {quote

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-20 Thread Gilles (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868436#comment-16868436 ] Gilles commented on RNG-104: bq. how long before the 2^1024 period repeats? Yes. But in the ab

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-19 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868055#comment-16868055 ] Alex D Herbert commented on RNG-104: The array can be filled in blocks and the last bloc

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-19 Thread Gilles (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868021#comment-16868021 ] Gilles commented on RNG-104: Thanks. +1 to use XorShift1024SPhi +1 to synchronize on the recomme

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-19 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16867831#comment-16867831 ] Alex D Herbert commented on RNG-104: For completeness I have added the use of the fair a

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-19 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16867772#comment-16867772 ] Alex D Herbert commented on RNG-104: I have done some more analysis of seed array creati

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-06 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857765#comment-16857765 ] Alex D Herbert commented on RNG-104: I repeated the creation of array seeds up to length

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-06 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857619#comment-16857619 ] Alex D Herbert commented on RNG-104: On the subject of using a long period generator the

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-06 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857597#comment-16857597 ] Alex D Herbert commented on RNG-104: I tried a few variants using ThreadLocal<>: ||Name|

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-05 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857347#comment-16857347 ] Alex D Herbert commented on RNG-104: {quote}Couldn't it be used to produce the output re

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-05 Thread Gilles (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857145#comment-16857145 ] Gilles commented on RNG-104: bq. We recently added a ThreadLocalRandomSource class. Couldn't it

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-05 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857129#comment-16857129 ] Alex D Herbert commented on RNG-104: ThreadLocalRandom is using package private parts of

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-05 Thread Gilles (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857107#comment-16857107 ] Gilles commented on RNG-104: {quote}This suggests a mix with ThreadLocalRandom {quote} Can't the

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-05 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16856971#comment-16856971 ] Alex D Herbert commented on RNG-104: Results posted in RNG-75 show the quality of the Se

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-04 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855747#comment-16855747 ] Alex D Herbert commented on RNG-104: Results of generating a single int/long value using

[jira] [Commented] (RNG-104) SeedFactory seed creation performance analysis

2019-06-04 Thread Alex D Herbert (JIRA)
[ https://issues.apache.org/jira/browse/RNG-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855697#comment-16855697 ] Alex D Herbert commented on RNG-104: Results of generating multiple values inside the sy