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Search: Posts Made By: henryzz
Forum: Lounge 2020-03-13, 18:04
Replies: 19
Views: 792
Posted By henryzz
My current department is in full prep mode in...

My current department is in full prep mode in case we have to start working from home. It sounds like there is a strong possibility that that may happen for research staff.
Forum: Lounge 2020-03-13, 16:19
Replies: 19
Views: 792
Posted By henryzz
Not sure what is going to happen for me...

Not sure what is going to happen for me currently. I am due to start a PhD on April 1st. Will have to see if Liverpool Uni decides to close for a bit. Might end up starting by remote working which...
Forum: Hardware 2020-03-10, 15:42
Replies: 39
Views: 2,142
Posted By henryzz
It sounds like some MLucas benchmarks might be...

It sounds like some MLucas benchmarks might be interesting on those cores.
Forum: Factoring 2020-02-26, 16:17
Replies: 459
Views: 35,975
Posted By henryzz
What is the sublat option on las? As far as I can...

What is the sublat option on las? As far as I can tell it sieves a subset of the sieve region and should reduce memory usage(presumably with a speed penalty). On the version, I am using it just...
Forum: Lounge 2020-02-26, 11:04
Replies: 4
Views: 314
Posted By henryzz
Strings and Loops within Pi - Numberphile

W20aT14t8Pw

Thought this video might interest some on the forum. The sequences thing at the end reminded me of Aliquot sequences.

Is it possible to construct an irrational number with a high...
Forum: Factoring 2020-02-24, 09:56
Replies: 42
Views: 2,384
Posted By henryzz
I think a lot of people on this forum would see...

I think a lot of people on this forum would see some of that in themselves even if they haven't been diagnosed myself included. Often Maths skills come along with that sort of disorder(or it...
Forum: Cunningham Tables 2020-02-19, 23:29
Replies: 110
Views: 7,760
Posted By henryzz
The lower you go the faster it gets in general....

The lower you go the faster it gets in general. Of course, this has to be balanced with increased duplication. The non-standard options of adjust-strategy might help keep the duplication rate...
Forum: Conjectures 'R Us 2020-02-06, 09:31
Replies: 32
Views: 1,221
Posted By henryzz
Here they are.

Here they are.
Forum: Tales From the Crypt(o) 2020-02-04, 10:33
Replies: 212
Views: 17,441
Posted By henryzz
That sort of request often sounds worse than it...

That sort of request often sounds worse than it is. Often to request permission to do one thing they have to ask permission to do loads more than they need. Of course, you never know if they take...
Forum: LaurV 2020-01-24, 10:05
Replies: 3
Views: 327
Posted By henryzz
Looks like a US thing to me. Not sure I have seen...

Looks like a US thing to me. Not sure I have seen it in the UK.
Forum: Hardware 2020-01-23, 12:10
Replies: 141
Views: 7,035
Posted By henryzz
I believe it is theoretically linearly and...

I believe it is theoretically linearly and practically not quite. I believe I have seen figures like 1.9x
Forum: Linux 2020-01-23, 09:49
Replies: 9
Views: 1,161
Posted By henryzz
--help works for most commands. My solution...

--help works for most commands.

My solution for print_number_sequence wasn't accepted although it looked correct and identical to one of the accepted solutions. Not sure what was going on there. ...
Forum: Factoring 2020-01-20, 16:43
Replies: 3
Views: 493
Posted By henryzz
I think to avoid duplicates my implementation...

I think to avoid duplicates my implementation picks two lots of (s-1)/2 (with adjustment for even s) and checks that the product of each set hasn't been seen before. As Ben says, this sort of...
Forum: Factoring 2020-01-17, 23:38
Replies: 24
Views: 2,227
Posted By henryzz
Coincidentally, I had a discussion with a...

Coincidentally, I had a discussion with a colleague about this this week. She is aware of publications in cryptography and number theory(her former background) being suppressed in the UK.
Forum: Factoring 2020-01-17, 11:45
Replies: 20
Views: 1,296
Posted By henryzz
Do they need to be B1 power-smooth or something...

Do they need to be B1 power-smooth or something similar? Maybe there is a limit on exponent?

What language is that code? If it is python 2 then I have a few things undefined starting with ZZ.
...
Forum: GPU Computing 2020-01-16, 16:52
Replies: 213
Views: 52,856
Posted By henryzz
Much better than pdfs would be a page on the...

Much better than pdfs would be a page on the wiki. pdfs as attachments are annoying. They never seem to open in my browser when I want them to. They force me to download them.
Forum: Tales From the Crypt(o) 2020-01-16, 10:21
Replies: 51
Views: 6,862
Posted By henryzz
I find it interesting how they held off on this...

I find it interesting how they held off on this until Windows 7 was no longer supported.
Forum: Aliquot Sequences 2020-01-15, 10:09
Replies: 11
Views: 685
Posted By henryzz
If I was processing on a boinc project that...

If I was processing on a boinc project that wasn't upgrading to a client that was ~1.5x faster I would be irritated. It is a waste of resources.
There are also memory considerations. While I believe...
Forum: Aliquot Sequences 2020-01-14, 21:16
Replies: 11
Views: 685
Posted By henryzz
Is CADO getting to the point where NFS@home...

Is CADO getting to the point where NFS@home should possibly consider switching to it?
Forum: Programming 2020-01-09, 09:48
Replies: 38
Views: 2,038
Posted By henryzz
I am fairly sure I have seen the Knuth books...

I am fairly sure I have seen the Knuth books online somewhere.
Forum: Chess 2020-01-06, 16:40
Replies: 9
Views: 770
Posted By henryzz
What is your ELO if you were considering entering...

What is your ELO if you were considering entering a tournament with IMs and GMs in it?
Forum: Puzzles 2020-01-02, 13:17
Replies: 21
Views: 1,853
Posted By henryzz
I think we can assume that we can only use 4...

I think we can assume that we can only use 4 plants full stop as you suggested.

I believe that my first set of logic still works just about in that case but isn't extendable to 3 days, more than...
Forum: Hardware 2020-01-02, 10:23
Replies: 141
Views: 7,035
Posted By henryzz
The main issue I believe is how many bits are...

The main issue I believe is how many bits are stored per cell. https://www.reneelab.com/difference-slc-mlc-tlc.html
Forum: Puzzles 2020-01-02, 09:58
Replies: 21
Views: 1,853
Posted By henryzz
Doesn't that logic lead to something like: 1...

Doesn't that logic lead to something like:

1 A E
2 B F
3 C G
4 D H revealing the poisonous barrels.

Also if you know that only 2 of the barrels are poisonous couldn't you do:

1 A
Forum: Operation Kibibit 2019-12-19, 09:47
Replies: 25
Views: 5,446
Posted By henryzz
I think that comment might have been going back...

I think that comment might have been going back to the original topic of RSA232.



732541^47-1 runs into bugs in lasieve that make it nearly unfactorable. CADO seems to be the best alternative.
Showing results 1 to 25 of 1000

 
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