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drummers-lowrise
11) Message boards : Storm message board (Message 135446)
Posted 523 days ago by Profile MyrskylyhtyProject donor
Sorry, dthonon ;P

https://stats.free-dc.org/subproj/pgrid/321_LLR

gleefullme, you're next!
12) Message boards : Number crunching : Transit of Mercury Across the Sun Challenge (Message 134773)
Posted 551 days ago by Profile MyrskylyhtyProject donor
It's the last day! There's less than 21 hours remaining.


Challenge: Transit of Mercury Across the Sun
App: 8 (PSP-LLR)
(As of 2019-11-10 21:32:24 UTC)

28717 tasks have been sent out. [CPU/GPU/anonymous_platform: 28677 (100%) / 0 (0%) / 40 (0%)]

Of those tasks that have been sent out:

3811 (13%) were aborted. [3811 (13%) / 0 (0%) / 0 (0%)]
1930 (7%) came back with some kind of an error. [1930 (7%) / 0 (0%) / 0 (0%)]
16179 (56%) have returned a successful result. [16140 (56%) / 0 (0%) / 39 (0%)]
6797 (24%) are still in progress. [6796 (24%) / 0 (0%) / 1 (0%)]

Of the tasks that have been returned successfully:

4414 (27%) are pending validation. [4401 (27%) / 0 (0%) / 13 (0%)]
11655 (72%) have been successfully validated. [11629 (72%) / 0 (0%) / 26 (0%)]
60 (0%) were invalid. [60 (0%) / 0 (0%) / 0 (0%)]
50 (0%) are inconclusive. [50 (0%) / 0 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is n=21790046. The leading edge was at n=20981446 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 3.85% as much as it had prior to the challenge!




So, we're nearing about 4 % increase in the leading edge. Since higher n require more work, what would be the work % increase in the project? This would be an interesting statistics to also see for the challenges.

I would guess it could easily be double than the increase in the leading edge? So could we have work-wise advanced the project something like over 10 %?
13) Message boards : Fermat Divisor Search : Fermat Divisor Search (Message 134247)
Posted 567 days ago by Profile MyrskylyhtyProject donor
Do you know roughly how long it will take for PPS-Div primes to make the top 100 and get official announcements?


Current digit length for top 100 is 1,689,060. We'll reach that digit length at around n=5,610,936. Current leading edge is at n= 4,944,919.

According to Mike's last two post, the leading edge n went up about 75,000 in 4 days. With that we could reach top 100 in about 36 days, but since there is a FFT length increase incoming and other challenges ongoing, a more careful estimate might be about 50 days or more. Of course it depends on how much people crunch. :)
14) Message boards : Seventeen or Bust : The SoB Double Check is DONE!!! (Message 133618)
Posted 585 days ago by Profile MyrskylyhtyProject donor
So, still a chance that the DC yields a prime ;)
15) Message boards : Fermat Divisor Search : Fermat Divisor Search (Message 133397)
Posted 592 days ago by Profile MyrskylyhtyProject donor
So, 24 days for 4 %, which translates into 6 days per 1 %.

That's 576 days left, which means we would finish on 28.4.2021.

But I estimate that the challenge + multithread efficiency + new hardware could mean that we finish during next year. Let's see :)
16) Message boards : Fermat Divisor Search : Fermat Divisor Search (Message 133016)
Posted 603 days ago by Profile MyrskylyhtyProject donor
I did a bit of checking into FFT size increases:

k=11:
FFT length 288K: n = 4,713,563
FFT length 320K: n = 5,262,883
FFT length 384K: n = 5,865,205
FFT length 400K: n = 7,008,845
FFT length 480K: n = 7,288,505
FFT length 512K: n = 8,694,807

k=49:
FFT length 288K: n = 4,431,064
FFT length 320K: n = 4,945,072
FFT length 384K: n = 5,512,082
FFT length 400K: n = 6,585,098
FFT length 480K: n = 6,847,102
FFT length 512K: n = 8,165,124
FFT length 576K: n = 8,718,132
17) Message boards : Fermat Divisor Search : Fermat Divisor Search (Message 132702)
Posted 614 days ago by Profile MyrskylyhtyProject donor
Ooh, more fancy tables.

How often will you update that table? 1 % or some other increment?
18) Message boards : Storm message board (Message 132128)
Posted 634 days ago by Profile MyrskylyhtyProject donor
Maybe Robish you could use up some of that Irish luck and grab a GFN18 or a few :D
19) Message boards : Storm message board (Message 132127)
Posted 634 days ago by Profile MyrskylyhtyProject donor
It's also been like 8 months since last GFN18! :D

Between 2016-2018 it was a prime every few months (21 primes total). That translates to that this we should have found like 5 primes normally.
20) Message boards : Storm message board (Message 127761)
Posted 801 days ago by Profile MyrskylyhtyProject donor
When in doubt, use the SI-units:

2 gigacredits

Congrats!


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