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1) Message boards : Number crunching : Good Riddance 2020! Challenge (Message 147631)
Posted 2 days ago by Profile Michael GutierrezProject donor
Challenge updates so far:

Challenge: Good Riddance 2020!
App: 32 (PPS-DIV)
Fast DC tasks are NOT included.
(As of 2021-01-17 01:30:47 UTC)

192099 tasks have been sent out. [CPU/GPU/anonymous_platform: 192099 (100%) / 0 (0%) / 0 (0%)]

Of those tasks that have been sent out:

8901 (5%) were aborted. [8901 (5%) / 0 (0%) / 0 (0%)]
819 (0%) came back with some kind of an error. [819 (0%) / 0 (0%) / 0 (0%)]
142297 (74%) have returned a successful result. [142300 (74%) / 0 (0%) / 0 (0%)]
40100 (21%) are still in progress. [40105 (21%) / 0 (0%) / 0 (0%)]

Of the tasks that have been returned successfully:

8740 (6%) are pending validation. [8742 (6%) / 0 (0%) / 0 (0%)]
133557 (94%) have been successfully validated. [133558 (94%) / 0 (0%) / 0 (0%)]
2 (0%) were invalid. [2 (0%) / 0 (0%) / 0 (0%)]
0 (0%) are inconclusive. [0 (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=8185926. The leading edge was at n=7870559 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 4.01% as much as it had prior to the challenge!
2) Message boards : News : Good Riddance 2020! Challenge starts January 14th (Message 147489)
Posted 7 days ago by Profile Michael GutierrezProject donor
The first challenge of the 2021 Series will be a 5-day challenge celebrating the end of the abomination which was the year 2020. The challenge will be offered on the PPS-DIV (LLR) application, beginning 14 January 00:00 UTC and ending 18 January 23:59 UTC.

To participate in the Challenge, please select only the Fermat Divisor Search LLR (PPS-DIV) project in your PrimeGrid preferences section.

Comments? Concerns? Discuss on the forum post for this challenge. Best of luck!
3) Message boards : Number crunching : Good Riddance 2020! Challenge (Message 147488)
Posted 7 days ago by Profile Michael GutierrezProject donor
Welcome to the Good Riddance 2020! Challenge

The first challenge of the 2021 Series will be a 5-day challenge celebrating the end of the abomination which was the year 2020. The challenge will be offered on the PPS-DIV (LLR) application, beginning 14 January 00:00 UTC and ending 18 January 23:59 UTC.

To participate in the Challenge, please select only the Fermat Divisor Search LLR (PPS-DIV) project in your PrimeGrid preferences section.

Note on LLR2 tasks: LLR2 has eliminated the need for a full doublecheck task on each workunit, but has replaced it with a short verification task. Expect to receive a few tasks about 1% of normal length.

Application builds are available for Linux 32 and 64 bit, Windows 32 and 64 bit and MacIntel. Intel and recent AMD CPUs with FMA3 capabilities (Haswell or better for Intel, Zen-2 or better for AMD) will have a very large advantage, and Intel CPUs with dual AVX-512 (certain recent Intel Skylake-X and Xeon CPUs) will be the fastest.

Note that LLR is running the latest AVX-512 version of LLR which takes full advantage of the features of these newer CPUs. It's faster than the previous LLR app and draws more power and produces more heat, especially if they're highly overclocked. If you have certain recent Intel Skylake-X and Xeon CPUs, especially if it's overclocked or has overclocked memory, and haven't run the new AVX-512 LLR before, we strongly suggest running it before the challenge while you are monitoring the temperatures.

ATTENTION: The primality program LLR is CPU intensive; so, it is vital to have a stable system with good cooling. It does not tolerate "even the slightest of errors." Please see this post for more details on how you can "stress test" your computer. Tasks on one CPU core will take about 5 hours on fast/newer computers and 12 hours+ on slower/older computers. If your computer is highly overclocked, please consider "stress testing" it. Sieving is an excellent alternative for computers that are not able to LLR. :)

TL;DR: Please, please, please make sure your machines are up to the task.


Multi-threading is supported and IS recommended.

Those looking to maximize their computer's performance during this challenge, or when running LLR in general, may find this information useful.

  • Your mileage may vary. Before the challenge starts, take some time and experiment and see what works best on your computer.
  • If you have a CPU with hyperthreading or SMT, either turn off this feature in the BIOS, or set BOINC to use 50% of the processors.

    • If you're using a GPU for other tasks, it may be beneficial to leave hyperthreading on in the BIOS and instead tell BOINC to use 50% of the CPU's. This will allow one of the hyperthreads to service the GPU.


  • The new multi-threading system is now live. Click here to set the maximum number of threads. This will allow you to select multi-threading from the project preferences web page. No more app_config.xml. It works like this:

    • In the preferences selection, there are selections for "max jobs" and "max cpus", similar to the settings in app_config.
    • Unlike app_config, these two settings apply to ALL apps. You can't chose 1 thread for SGS and 4 for SoB. When you change apps, you need to change your multithreading settings if you want to run a different number of threads.
    • There will be individual settings for each venue (location).
    • This will eliminate the problem of BOINC downloading 1 task for every core.
    • The hyperthreading control isn't possible at this time.
    • The "max cpus" control will only apply to LLR apps. The "max jobs" control applies to all apps.


  • If you want to continue to use app_config.xml for LLR tasks, you need to change it if you want it to work. Please see this message for more information.
  • Some people have observed that when using multithreaded LLR, hyperthreading is actually beneficial. We encourage you to experiment and see what works best for you.



Time zone converter:

The World Clock - Time Zone Converter

NOTE: The countdown clock on the front page uses the host computer time. Therefore, if your computer time is off, so will the countdown clock. For precise timing, use the UTC Time in the data section at the very top, above the countdown clock.

Scoring Information

Scores will be kept for individuals and teams. Only tasks issued AFTER 14th January 2021 00:00 UTC and received BEFORE 19th January 2021 00:00 UTC will be considered for credit. We will be using the same scoring method as we currently use for BOINC credits. A quorum of 2 is NOT needed to award Challenge score - i.e. no double checker. Therefore, each returned result will earn a Challenge score. Please note that if the result is eventually declared invalid, the score will be removed.

At the Conclusion of the Challenge

    We kindly ask users "moving on" to ABORT their tasks instead of DETACHING, RESETTING, or PAUSING.

    ABORTING tasks allows them to be recycled immediately; thus a much faster "clean up" to the end of an LLR Challenge. DETACHING, RESETTING, and PAUSING tasks causes them to remain in limbo until they EXPIRE. Therefore, we must wait until tasks expire to send them out to be completed.

    Please consider either completing what's in the queue or ABORTING them. Thank you. :)


About the Fermat Divisor Search

In mathematics a Fermat number, named after Pierre de Fermat who first studied them, is a positive integer of the form Fn = 22n+1, where n is a nonnegative integer.
The first few Fermat numbers are 3, 5, 17, 257, 65537, 4294967297, 18446744073709551617, … (sequence A000215 in the OEIS).

Only five Fermat primes are known, and the Fermat numbers grow so quickly that it may be years before the first undecided case: F33 = 2233+1 is shown prime or composite - unless we luck onto a divisor. Ever since Euler found the first Fermat divisor (divisor of a Fermat composite), factorers have been collecting these rare numbers.

Euler showed that every divisor of Fn (n greater than 2) must have the form k*2n+2+1 for some integer k. For this reason, when we find a large prime of the form k*2n+1 (with k small), we usually check to see if it divides a Fermat number. The probability of the number k*2n+1 dividing any Fermat number appears to be 1/k.

Any prime Generalised Fermat Number Fb,n = b2n+1 (with b an integer greater than one) is called a generalised Fermat prime (because they are Fermat primes in the special case b=2), Ribenboim (1996).
Riesel (1994) further generalised by defining Extended Generalised Fermat Numbers xGFn,a,b = a2n+b2n.

In the Fermat Divisor Search we focus on special k's that are either small (generally gives high chance of dividing a Fermat number) or have special properties that makes them attractive.
First we searched k=19683 up to n=4M, (now complete).
Then we searched five additional k's, 1323 (even n only), 2187 (even n only), 3125, 3267 (even n only) and 3375, up to n=3.322M, (now complete).
Finally, we're currently searching 5<=k<=49 up to n=9M.

See also:



What is LLR?

The Lucas-Lehmer-Riesel (LLR) test is a primality test for numbers of the form N = k*2^n − 1, with 2^n > k. Also, LLR is a program developed by Jean Penne that can run the LLR-tests. It includes the Proth test to perform +1 tests and PRP to test non base 2 numbers. See also:



What is LLR2?

LLR2 is an improvement to the LLR application developed by our very own Pavel Atnashev and stream. It utilizes Gerbicz checks to enable the Fast DoubleCheck feature, which will nearly double the speed of PrimeGrid's progress on the projects it's applied to. For more information, see this forum post.

4) Message boards : Number crunching : Great Conjunction Challenge (Message 147259)
Posted 17 days ago by Profile Michael GutierrezProject donor
The results are final!
(actually, just the top three right now. the rest still may be decided by cleanup tasks.)

During these 10 days, we completed almost 350 thousand tasks. The most popular subproject was GFN-18, while the least popular by far was GFN-19. In addition to 4 new GFN-18 primes, we also averaged about 12 times these projects' typical output.

A RECORD BREAKING 171 teams and 930 individuals participated in the Challenge.

Top Three Individuals:
1. tng
2. Viktor Svantner
3. KajakDC

Top Three Teams:
1. Czech National Team
2. Antarctic Crunchers
3. SETI.Germany

Hopefully everyone had a chance to actually watch the Great Conjunction! This Challenge wraps up PrimeGrid's 2020 Challenge Series. In addition to being the first Challenge Series I oversaw as challenge coordinator, it was also a wild and rapidly adjusting one due to the current state of the world. Thanks for sticking with us through it all, and I hope these challenges provided you all with a fun little escape each month from the 2020-ness of it all.

The next Challenge to kick off the 2021 Series is the Good Riddance 2020! Challenge, which starts January 14th. We hope to see you there! Thank you again to everyone. We appreciate your participation and hope you had fun!
5) Message boards : Number crunching : Great Conjunction Challenge (Message 147258)
Posted 17 days ago by Profile Michael GutierrezProject donor
Cleanup Status:

Dec 31: 17709 tasks outstanding; 11421 affecting individual (276) scoring positions; 4736 affecting team (50) scoring positions.
Jan 1: 13013 tasks outstanding; 7840 affecting individual (269) scoring positions; 3221 affecting team (43) scoring positions.
Jan 2: 7968 tasks outstanding; 4510 affecting individual (249) scoring positions; 1872 affecting team (35) scoring positions.
Jan 3: 4993 tasks outstanding; 2516 affecting individual (227) scoring positions; 1079 affecting team (31) scoring positions.
Jan 4: 3834 tasks outstanding; 1851 affecting individual (207) scoring positions; 729 affecting team (28) scoring positions.
Jan 5: 3586 tasks outstanding; 1700 affecting individual (202) scoring positions; 682 affecting team (28) scoring positions.
6) Message boards : Number crunching : Great Conjunction Challenge (Message 147208)
Posted 18 days ago by Profile Michael GutierrezProject donor
And we're done! Here are the final stats. Cleanup tasks are now avaliable.

Challenge: Great Conjunction
App: 26 (GFN-18)
(As of 2020-12-31 13:41:28 UTC)

313802 tasks have been sent out. [CPU/GPU/anonymous_platform: 196197 (63%) / 117605 (37%) / 0 (0%)]

Of those tasks that have been sent out:

38712 (12%) were aborted. [32783 (10%) / 5929 (2%) / 0 (0%)]
4836 (2%) came back with some kind of an error. [1302 (0%) / 3534 (1%) / 0 (0%)]
251639 (80%) have returned a successful result. [148173 (47%) / 103466 (33%) / 0 (0%)]
17523 (6%) are still in progress. [13674 (4%) / 3849 (1%) / 0 (0%)]

Of the tasks that have been returned successfully:

15018 (6%) are pending validation. [8278 (3%) / 6740 (3%) / 0 (0%)]
236541 (94%) have been successfully validated. [139833 (56%) / 96708 (38%) / 0 (0%)]
72 (0%) were invalid. [59 (0%) / 13 (0%) / 0 (0%)]
10 (0%) are inconclusive. [4 (0%) / 6 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=12677348. The leading edge was at b=11805752 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 7.38% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 27 (GFN-19)
(As of 2020-12-31 13:41:39 UTC)

40527 tasks have been sent out. [CPU/GPU/anonymous_platform: 5674 (14%) / 34853 (86%) / 0 (0%)]

Of those tasks that have been sent out:

1917 (5%) were aborted. [1004 (2%) / 913 (2%) / 0 (0%)]
1608 (4%) came back with some kind of an error. [31 (0%) / 1577 (4%) / 0 (0%)]
34665 (86%) have returned a successful result. [3688 (9%) / 30977 (76%) / 0 (0%)]
2266 (6%) are still in progress. [945 (2%) / 1321 (3%) / 0 (0%)]

Of the tasks that have been returned successfully:

2165 (6%) are pending validation. [144 (0%) / 2021 (6%) / 0 (0%)]
32384 (93%) have been successfully validated. [3543 (10%) / 28841 (83%) / 0 (0%)]
106 (0%) were invalid. [0 (0%) / 106 (0%) / 0 (0%)]
10 (0%) are inconclusive. [1 (0%) / 9 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=4226304. The leading edge was at b=4108048 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 2.88% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 28 (GFN-20)
(As of 2020-12-31 13:41:40 UTC)

74288 tasks have been sent out. [CPU/GPU/anonymous_platform: 1794 (2%) / 72494 (98%) / 0 (0%)]

Of those tasks that have been sent out:

3496 (5%) were aborted. [467 (1%) / 3029 (4%) / 0 (0%)]
4137 (6%) came back with some kind of an error. [40 (0%) / 4097 (6%) / 0 (0%)]
62112 (84%) have returned a successful result. [173 (0%) / 61939 (83%) / 0 (0%)]
4494 (6%) are still in progress. [1114 (1%) / 3380 (5%) / 0 (0%)]

Of the tasks that have been returned successfully:

4221 (7%) are pending validation. [8 (0%) / 4213 (7%) / 0 (0%)]
57748 (93%) have been successfully validated. [165 (0%) / 57583 (93%) / 0 (0%)]
121 (0%) were invalid. [0 (0%) / 121 (0%) / 0 (0%)]
22 (0%) are inconclusive. [0 (0%) / 22 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=1746488. The leading edge was at b=1552110 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 12.52% as much as it had prior to the challenge!
7) Message boards : Number crunching : Great Conjunction Challenge (Message 147187)
Posted 19 days ago by Profile Michael GutierrezProject donor
12 hours left in the challenge! Some friendly reminders... :)

At the Conclusion of the Challenge

When the challenge completes, we would prefer users "moving on" to finish those tasks they have downloaded, if not then please ABORT the WU's (and then UPDATE the PrimeGrid project) instead of DETACHING, RESETTING, or PAUSING.

ABORTING WU's allows them to be recycled immediately; thus a much faster "clean up" to the end of a Challenge. DETACHING, RESETTING, and PAUSING WU's causes them to remain in limbo until they EXPIRE. Therefore, we must wait until WU's expire to send them out to be completed.

Likewise, if you're shutting down the computer for an extended period of time, or deleting the VM (Virtual Machine), please ABORT all remaining tasks first. Also, be aware that merely shutting off a cloud server doesn't stop the billing. You have to destroy/delete the server if you don't want to continue to be charged for it.

Thank you!
8) Message boards : Number crunching : Great Conjunction Challenge (Message 147081)
Posted 23 days ago by Profile Michael GutierrezProject donor
Day 5 update:

Challenge: Great Conjunction
App: 26 (GFN-18)
(As of 2020-12-26 15:15:58 UTC)

156531 tasks have been sent out. [CPU/GPU/anonymous_platform: 101022 (65%) / 55509 (35%) / 0 (0%)]

Of those tasks that have been sent out:

16211 (10%) were aborted. [13500 (9%) / 2711 (2%) / 0 (0%)]
2131 (1%) came back with some kind of an error. [849 (1%) / 1282 (1%) / 0 (0%)]
116805 (75%) have returned a successful result. [68727 (44%) / 48078 (31%) / 0 (0%)]
21384 (14%) are still in progress. [17946 (11%) / 3438 (2%) / 0 (0%)]

Of the tasks that have been returned successfully:

14489 (12%) are pending validation. [8334 (7%) / 6155 (5%) / 0 (0%)]
102281 (88%) have been successfully validated. [60364 (52%) / 41917 (36%) / 0 (0%)]
23 (0%) were invalid. [19 (0%) / 4 (0%) / 0 (0%)]
12 (0%) are inconclusive. [10 (0%) / 2 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=12245500. The leading edge was at b=11805752 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 3.72% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 27 (GFN-19)
(As of 2020-12-26 15:16:03 UTC)

24552 tasks have been sent out. [CPU/GPU/anonymous_platform: 4266 (17%) / 20286 (83%) / 0 (0%)]

Of those tasks that have been sent out:

1310 (5%) were aborted. [764 (3%) / 546 (2%) / 0 (0%)]
772 (3%) came back with some kind of an error. [0 (0%) / 772 (3%) / 0 (0%)]
19526 (80%) have returned a successful result. [1966 (8%) / 17560 (72%) / 0 (0%)]
2944 (12%) are still in progress. [1536 (6%) / 1408 (6%) / 0 (0%)]

Of the tasks that have been returned successfully:

2463 (13%) are pending validation. [219 (1%) / 2244 (11%) / 0 (0%)]
17000 (87%) have been successfully validated. [1747 (9%) / 15253 (78%) / 0 (0%)]
45 (0%) were invalid. [0 (0%) / 45 (0%) / 0 (0%)]
18 (0%) are inconclusive. [0 (0%) / 18 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=4179982. The leading edge was at b=4108048 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 1.75% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 28 (GFN-20)
(As of 2020-12-26 15:16:05 UTC)

38785 tasks have been sent out. [CPU/GPU/anonymous_platform: 1161 (3%) / 37624 (97%) / 0 (0%)]

Of those tasks that have been sent out:

2010 (5%) were aborted. [290 (1%) / 1720 (4%) / 0 (0%)]
2757 (7%) came back with some kind of an error. [11 (0%) / 2746 (7%) / 0 (0%)]
28343 (73%) have returned a successful result. [19 (0%) / 28324 (73%) / 0 (0%)]
5675 (15%) are still in progress. [841 (2%) / 4834 (12%) / 0 (0%)]

Of the tasks that have been returned successfully:

4197 (15%) are pending validation. [1 (0%) / 4196 (15%) / 0 (0%)]
24090 (85%) have been successfully validated. [18 (0%) / 24072 (85%) / 0 (0%)]
44 (0%) were invalid. [0 (0%) / 44 (0%) / 0 (0%)]
12 (0%) are inconclusive. [0 (0%) / 12 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=1650904. The leading edge was at b=1552110 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 6.37% as much as it had prior to the challenge!
9) Message boards : Number crunching : Great Conjunction Challenge (Message 147046)
Posted 25 days ago by Profile Michael GutierrezProject donor
Merry Christmas and happy Challenge Day 4!

Challenge: Great Conjunction
App: 26 (GFN-18)
(As of 2020-12-25 03:25:52 UTC)

112470 tasks have been sent out. [CPU/GPU/anonymous_platform: 70254 (62%) / 42216 (38%) / 0 (0%)]

Of those tasks that have been sent out:

7022 (6%) were aborted. [5373 (5%) / 1649 (1%) / 0 (0%)]
1331 (1%) came back with some kind of an error. [437 (0%) / 894 (1%) / 0 (0%)]
81466 (72%) have returned a successful result. [45799 (41%) / 35667 (32%) / 0 (0%)]
22651 (20%) are still in progress. [18645 (17%) / 4006 (4%) / 0 (0%)]

Of the tasks that have been returned successfully:

16199 (20%) are pending validation. [8588 (11%) / 7611 (9%) / 0 (0%)]
65247 (80%) have been successfully validated. [37197 (46%) / 28050 (34%) / 0 (0%)]
10 (0%) were invalid. [7 (0%) / 3 (0%) / 0 (0%)]
10 (0%) are inconclusive. [7 (0%) / 3 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=12141774. The leading edge was at b=11805752 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 2.85% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 27 (GFN-19)
(As of 2020-12-25 03:25:57 UTC)

19027 tasks have been sent out. [CPU/GPU/anonymous_platform: 3651 (19%) / 15376 (81%) / 0 (0%)]

Of those tasks that have been sent out:

1218 (6%) were aborted. [738 (4%) / 480 (3%) / 0 (0%)]
571 (3%) came back with some kind of an error. [2 (0%) / 569 (3%) / 0 (0%)]
13864 (73%) have returned a successful result. [1051 (6%) / 12813 (67%) / 0 (0%)]
3374 (18%) are still in progress. [1860 (10%) / 1514 (8%) / 0 (0%)]

Of the tasks that have been returned successfully:

2727 (20%) are pending validation. [207 (1%) / 2520 (18%) / 0 (0%)]
11093 (80%) have been successfully validated. [844 (6%) / 10249 (74%) / 0 (0%)]
27 (0%) were invalid. [0 (0%) / 27 (0%) / 0 (0%)]
17 (0%) are inconclusive. [0 (0%) / 17 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=4162690. The leading edge was at b=4108048 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 1.33% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 28 (GFN-20)
(As of 2020-12-25 03:25:59 UTC)

27376 tasks have been sent out. [CPU/GPU/anonymous_platform: 927 (3%) / 26449 (97%) / 0 (0%)]

Of those tasks that have been sent out:

1786 (7%) were aborted. [267 (1%) / 1519 (6%) / 0 (0%)]
1723 (6%) came back with some kind of an error. [3 (0%) / 1720 (6%) / 0 (0%)]
18691 (68%) have returned a successful result. [3 (0%) / 18688 (68%) / 0 (0%)]
5177 (19%) are still in progress. [654 (2%) / 4523 (17%) / 0 (0%)]

Of the tasks that have been returned successfully:

3733 (20%) are pending validation. [1 (0%) / 3732 (20%) / 0 (0%)]
14928 (80%) have been successfully validated. [2 (0%) / 14926 (80%) / 0 (0%)]
24 (0%) were invalid. [0 (0%) / 24 (0%) / 0 (0%)]
6 (0%) are inconclusive. [0 (0%) / 6 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=1621174. The leading edge was at b=1552110 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 4.45% as much as it had prior to the challenge!
10) Message boards : Number crunching : Great Conjunction Challenge (Message 146988)
Posted 26 days ago by Profile Michael GutierrezProject donor
Day 2 stats:

Challenge: Great Conjunction
App: 26 (GFN-18)
(As of 2020-12-23 17:25:41 UTC)

73152 tasks have been sent out. [CPU/GPU/anonymous_platform: 46775 (64%) / 26377 (36%) / 0 (0%)]

Of those tasks that have been sent out:

5583 (8%) were aborted. [4648 (6%) / 935 (1%) / 0 (0%)]
973 (1%) came back with some kind of an error. [414 (1%) / 559 (1%) / 0 (0%)]
47254 (65%) have returned a successful result. [25747 (35%) / 21507 (29%) / 0 (0%)]
19342 (26%) are still in progress. [15967 (22%) / 3376 (5%) / 0 (0%)]

Of the tasks that have been returned successfully:

12498 (26%) are pending validation. [6569 (14%) / 5929 (13%) / 0 (0%)]
34741 (74%) have been successfully validated. [19168 (41%) / 15573 (33%) / 0 (0%)]
5 (0%) were invalid. [4 (0%) / 1 (0%) / 0 (0%)]
10 (0%) are inconclusive. [6 (0%) / 4 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=12019764. The leading edge was at b=11805752 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 1.81% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 27 (GFN-19)
(As of 2020-12-23 17:25:44 UTC)

12555 tasks have been sent out. [CPU/GPU/anonymous_platform: 3064 (24%) / 9491 (76%) / 0 (0%)]

Of those tasks that have been sent out:

999 (8%) were aborted. [708 (6%) / 291 (2%) / 0 (0%)]
381 (3%) came back with some kind of an error. [0 (0%) / 381 (3%) / 0 (0%)]
7668 (61%) have returned a successful result. [486 (4%) / 7182 (57%) / 0 (0%)]
3507 (28%) are still in progress. [1870 (15%) / 1637 (13%) / 0 (0%)]

Of the tasks that have been returned successfully:

2480 (32%) are pending validation. [127 (2%) / 2353 (31%) / 0 (0%)]
5165 (67%) have been successfully validated. [359 (5%) / 4806 (63%) / 0 (0%)]
9 (0%) were invalid. [0 (0%) / 9 (0%) / 0 (0%)]
14 (0%) are inconclusive. [0 (0%) / 14 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=4145210. The leading edge was at b=4108048 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 0.90% as much as it had prior to the challenge!

Challenge: Great Conjunction
App: 28 (GFN-20)
(As of 2020-12-23 17:25:45 UTC)

17237 tasks have been sent out. [CPU/GPU/anonymous_platform: 770 (4%) / 16467 (96%) / 0 (0%)]

Of those tasks that have been sent out:

1633 (9%) were aborted. [235 (1%) / 1398 (8%) / 0 (0%)]
535 (3%) came back with some kind of an error. [1 (0%) / 534 (3%) / 0 (0%)]
10247 (59%) have returned a successful result. [0 (0%) / 10247 (59%) / 0 (0%)]
4823 (28%) are still in progress. [534 (3%) / 4289 (25%) / 0 (0%)]

Of the tasks that have been returned successfully:

3268 (32%) are pending validation. [0 (0%) / 3268 (32%) / 0 (0%)]
6963 (68%) have been successfully validated. [0 (0%) / 6963 (68%) / 0 (0%)]
8 (0%) were invalid. [0 (0%) / 8 (0%) / 0 (0%)]
8 (0%) are inconclusive. [0 (0%) / 8 (0%) / 0 (0%)]

The current leading edge (i.e., latest work unit for which work has actually been sent out to a host) is b=1595652. The leading edge was at b=1552110 at the beginning of the challenge. Since the challenge started, the leading edge has advanced 2.81% as much as it had prior to the challenge!


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