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-   -   4-5M Reservations (https://www.mersenneforum.org/showthread.php?t=9865)

paulunderwood 2008-01-17 00:28

4-5M Reservations
 
[B]updated 5:55:56 AM, Tues, Sept 23, 2008

[/B][SIZE=5][COLOR=Red]ALL DONE - PROJECT FINISHED[/COLOR][/SIZE]

These mega-prime candidates have at least [B]1323327 decimal digits[/B] :w00t:
They have been sieved for divisors less than 271.2 trillion :showoff:
:geek: Here are 249 candidates contained in 4 input files ready for LLR testing

:help: An average file of 58 candidates will take about three weeks to process on an average Pentium computer -- each number taking around 14 hours; 64-bit AMDs 15 hours per core; 2.4Ghz Core2Duo/Quad around 10 hours per core

[B][U][SIZE=3]T[/SIZE]he [SIZE=3]3[/SIZE][SIZE=2]2[/SIZE][SIZE=1]1[/SIZE] [SIZE=3]R[/SIZE]eservations [SIZE=3]S[/SIZE]ystem[/U] :[/B]
[COLOR=Green][B](0)[/B][/COLOR] Make ready your system, maybe by creating as many directories as the number of cores you want to use for this project
[COLOR=Green][B](1)[/B][/COLOR] Download and decompress [URL="http://www.mersenne.org/gimps/"][COLOR=Green]the program LLR-3.7.1c[/COLOR][/URL] (Linux or Windows)
[COLOR=orange][B](2)[/B][/COLOR] Choose a range from the list below that no one else has recently reserved further below
[COLOR=orange][B](3)[/B][/COLOR] [COLOR=red][I]Leave a message here to reserve your chosen range[/I][/COLOR]
[COLOR=orange][B](4)[/B][/COLOR] Download the corresponding input file(s) -- all done
[COLOR=Green][B](5)[/B][/COLOR] Run LLR with your new input file(s)
[COLOR=orange][B](6)[/B][/COLOR] When finished, email the results file(s) to [EMAIL="paulunderwood@mindless.com"]paulunderwood@mindless.com[/EMAIL]
[COLOR=orange][B](7)[/B][/COLOR] To continue go back to step [COLOR=orange][B]2[/B][/COLOR]

(Alternatively to the above steps, just email me.)

Range of a 1000 n :: Candidates in file
4396000-4397000 :: 61
4397000-4398000 :: 60
4398000-4399000 :: 60
4399000-4400000 :: 68

:spot:

paulunderwood 2008-05-30 20:04

If you book out any of the remaining 4 files above, please ensure that you can complete them by the end of June.

You can always join [URL="http://www.primegrid.com/"]PrimeGrid[/URL] and crunch individual 321 numbers through the BOINC interface. Each will take about half a day and you might find a mega-prime :wink:

Lennart 2008-06-02 18:17

Reserving
 
4396000-4397000 :: 61
4397000-4398000 :: 60
4398000-4399000 :: 60
4399000-4400000 :: 68


I reserve the last 4 files.:smile::smile:

/Lennart

jrk 2008-06-02 18:29

Paul are you going to be adding more ranges?

paulunderwood 2008-06-02 18:37

[QUOTE=jrk;135018]Paul are you going to be adding more ranges?[/QUOTE]

No! I might have a few sub-n=4M if James can not do those himself.

I hope we can get all sub-n=5 done by the end of June :smile:

mdettweiler 2008-06-02 21:04

[quote=paulunderwood;135019]No! I might have a few sub-n=4M if James can not do those himself.

I hope we can get all sub-n=5 done by the end of June :smile:[/quote]
Once all n<5M is done, and sieving for 5M+ is complete (or at least ready for 5M-6M to be broken off), will files in the 5M-6M range be made available for manual testing, too, or will it be PrimeGrid only?

paulunderwood 2008-06-02 21:07

[QUOTE=Anonymous;135028]Once all n<5M is done, and sieving for 5M+ is complete (or at least ready for 5M-6M to be broken off), will files in the 5M-6M range be made available for manual testing, too, or will it be PrimeGrid only?[/QUOTE]

PrimeGrid only. PG are sieving n=5M-10M already. It will be up to them when they decide to release more (only on their server.)

mdettweiler 2008-06-02 21:38

[quote=paulunderwood;135030]PrimeGrid only. PG are sieving n=5M-10M already. It will be up to them when they decide to release more (only on their server.)[/quote]
Ah, I see. So, then, will the 321 project just die out, or will it pick a new k to work on? (Or maybe even a new base--such as 3*3^n-1?)

paulunderwood 2008-06-02 22:29

[QUOTE=Anonymous;135032]Ah, I see. So, then, will the 321 project just die out, or will it pick a new k to work on? (Or maybe even a new base--such as 3*3^n-1?)[/QUOTE]

"321search" is near its end, but PG will carry on searching for primes of the form 3*2^n-1 in conjunction with 3*2^n+1. "321search" will not continue.

jrk 2008-06-03 01:25

Does PrimeGrid still assign double-checks at the same time as first-time tests? It was doing that a few months ago when I was checking it out.

paulunderwood 2008-06-03 01:30

As far as I know, yes. Double checking becomes more important with the bigger numbers because there are many helpers needed, some of whom might have defective hardware, and because general hardware failures can occur anyway.


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