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Search: Posts Made By: dleclair
Forum: Factoring 2020-06-12, 00:21
Replies: 22
Views: 3,542
Posted By dleclair
Yes, that was my strategy. If I remember...

Yes, that was my strategy. If I remember correctly (it's been a while), when re-sieving it's also beneficial to skip primes below some limit. The smallest primes take the longest to (re)sieve, of...
Forum: Factoring 2020-06-11, 21:46
Replies: 22
Views: 3,542
Posted By dleclair
You're spending a lot of time on trial division....

You're spending a lot of time on trial division. This will get much worse with larger factor bases. Like R.D. Silverman recommended the other thread, use re-sieving instead of trial division on sieve...
Forum: GPU to 72 2020-06-01, 23:57
Replies: 8
Views: 1,897
Posted By dleclair
I've been though this. You're going to need an EV...

I've been though this. You're going to need an EV code signing certificate otherwise Windows will continue to present dire warnings to everyone who downloads your app. There's no way around it. At...
Forum: Lounge 2020-04-21, 22:26
Replies: 42
Views: 1,567
Posted By dleclair
Maybe some time by the ocean would help?

Maybe some time by the ocean would help?
Forum: Lounge 2020-04-21, 11:38
Replies: 1,542
RIP
Views: 110,511
Posted By dleclair
There's definitely that, and a lot about large...

There's definitely that, and a lot about large scale factorizations too :smile:

I don't remember the belt incident but I remember riding in Richard and Nancy's van, through the mountains, on the...
Forum: Lounge 2020-04-20, 14:46
Replies: 1,542
RIP
Views: 110,511
Posted By dleclair
Thank you for mentioning this, I will miss...

Thank you for mentioning this, I will miss Richard. The conference in Banff was great and later on I also got to see him for a bit in Texas while I was there for a business trip. The time we spent on...
Forum: Factoring 2019-07-15, 01:01
Replies: 209
Views: 15,239
Posted By dleclair
You don't need git to download MPIR's source. On...

You don't need git to download MPIR's source. On Gladman's GitHub page you can use the green "Clone or Download" option to download a zip of the source. I believe you can build it using VS Community...
Forum: Lounge 2018-02-05, 01:24
Replies: 63
Views: 3,968
Posted By dleclair
Despite my reservations about acronyms, I really...

Despite my reservations about acronyms, I really like this one :)
Forum: Lounge 2018-02-05, 01:03
Replies: 63
Views: 3,968
Posted By dleclair
Does it have to be an acronym and does it have to...

Does it have to be an acronym and does it have to be witty?

How about: The Mersenne Project

It has gravitas comparable to that of "The Cunningham Project".

Searching for "gimps" on Google...
Forum: Lounge 2017-07-30, 23:29
Replies: 1,639
Views: 88,768
Posted By dleclair
Yikes xilman, take care. I hope you can quickly...

Yikes xilman, take care. I hope you can quickly find the cause. It took me a while to find the cause of my own reaction which was late onset, unexpected, and severe but not as thoroughly bad as what...
Forum: Puzzles 2017-04-05, 00:29
Replies: 31
Views: 2,686
Posted By dleclair
Agreed that the first two were fun but I only...

Agreed that the first two were fun but I only found out after having factored them.
Forum: Lounge 2016-04-17, 12:37
Replies: 133
Views: 6,947
Posted By dleclair
The buttons arrived on Friday and they look...

The buttons arrived on Friday and they look great! Thank you very much to Mike, Wayne and Curtis Cooper!

-Don
Forum: Lounge 2016-04-07, 22:59
Replies: 133
Views: 6,947
Posted By dleclair
Thank you!

Thank you!
Forum: Lounge 2016-02-14, 00:56
Replies: 133
Views: 6,947
Posted By dleclair
ADDRESS VERIFIED: YES MISSING: ALL PACKAGED:...

ADDRESS VERIFIED: YES
MISSING: ALL
PACKAGED: YES
SENT: 25 MAR
RECEIVED: 15 APR
Forum: News 2016-01-20, 22:31
Replies: 631
Views: 63,917
Posted By dleclair
NPR...

NPR (http://www.npr.org/sections/thetwo-way/2016/01/20/463725028/ready-for-prime-time-a-number-with-20-million-plus-digits)
Forum: Math 2015-10-30, 00:29
Replies: 68
Views: 3,939
Posted By dleclair
There are a few very slightly more affordable...

There are a few very slightly more affordable copies on AbeBooks which is owned by Amazon:

http://www.abebooks.com/servlet/SearchResults?isbn=0534085148&sts=t

-Don
Forum: Factoring 2015-03-30, 01:58
Replies: 4
Views: 925
Posted By dleclair
This is a very generous contribution. Thank you! ...

This is a very generous contribution. Thank you!

-Don
Forum: Factoring 2015-03-05, 22:35
Replies: 14
Views: 1,320
Posted By dleclair
Glad you found the problem! SIQS is complicated...

Glad you found the problem! SIQS is complicated enough that when something goes wrong it is sometimes difficult to know where to start. I made my own implementation about ten years ago and found that...
Forum: Factoring 2015-03-05, 17:54
Replies: 14
Views: 1,320
Posted By dleclair
I'd suggest writing some code to verify the...

I'd suggest writing some code to verify the congruence for each relation before you start the linear algebra. One bad relation can cause the all of the dependencies to be invalid. If some of the...
Forum: GPU Computing 2014-04-17, 01:02
Replies: 107
Views: 6,292
Posted By dleclair
This is a good reference for BSOD's with details...

This is a good reference for BSOD's with details for each Bug Check code and parameter:

http://msdn.microsoft.com/en-us/library/windows/hardware/hh994433(v=vs.85).aspx#phrss

The three you...
Forum: Lounge 2013-12-08, 02:16
Replies: 74
Views: 2,284
Posted By dleclair
I ban this guy, and I ban that guy, and I ban ALL...

I ban this guy, and I ban that guy, and I ban ALL those other guys.
Forum: Wagstaff PRP Search 2013-04-03, 01:24
Replies: 10
Views: 35,388
Posted By dleclair
Congratulations, Jeff!

Congratulations, Jeff!
Forum: PrimeNet 2013-02-08, 00:20
Replies: 38
Views: 2,191
Posted By dleclair
Amazon's t1.micro instances allow for short...

Amazon's t1.micro instances allow for short bursts of high CPU usage but anything longer is severely throttled.

They work passably well for hosting basic web sites and similar tasks but even...
Forum: Lounge 2012-12-22, 03:39
Replies: 19
Views: 951
Posted By dleclair
I found a solution for level 20. It wasn't...

I found a solution for level 20. It wasn't pretty but it worked. There was a fundamental point of enlightenment that eluded me for a quite some time but then it was much easier. I can elaborate,...
Forum: Lounge 2012-12-18, 03:30
Replies: 19
Views: 951
Posted By dleclair
Thank you, we are really enjoying this game. The...

Thank you, we are really enjoying this game. The six year old in the family is quite adept at it. The three year old is not so adept but he puts in a good effort. We saw there was a version of it...
Showing results 1 to 25 of 75

 
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