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Message boards : Number crunching : Winter Solstice Challenge

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Profile Roger
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Joined: 27 Nov 11
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Found 1 prime in the 2018 Tour de Primes321 LLR Amethyst: Earned 1,000,000 credits (1,789,420)Cullen LLR Amethyst: Earned 1,000,000 credits (1,305,599)ESP LLR Ruby: Earned 2,000,000 credits (2,085,950)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,050,279)PPS LLR Ruby: Earned 2,000,000 credits (2,149,793)PSP LLR Ruby: Earned 2,000,000 credits (2,420,512)SoB LLR Amethyst: Earned 1,000,000 credits (1,493,571)SR5 LLR Ruby: Earned 2,000,000 credits (2,238,295)SGS LLR Ruby: Earned 2,000,000 credits (2,071,060)TRP LLR Ruby: Earned 2,000,000 credits (2,066,087)Woodall LLR Amethyst: Earned 1,000,000 credits (1,293,758)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (207,387)Generalized Cullen/Woodall Sieve Turquoise: Earned 5,000,000 credits (5,049,151)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,422,123)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (3,227,972)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,021,659)AP 26/27 Sapphire: Earned 20,000,000 credits (20,291,817)GFN Emerald: Earned 50,000,000 credits (55,143,105)PSA Sapphire: Earned 20,000,000 credits (43,298,465)
Message 123120 - Posted: 4 Dec 2018 | 10:33:54 UTC
Last modified: 5 Dec 2018 | 22:41:29 UTC

Welcome to the Winter Solstice Challenge

The Final Challenge of the 2018 Challenge series is upon us. The Winter Solstice Challenge will be a 10 day celebration on account of the winter solstice. The challenge is being offered on PrimeGrid's Generalized Fermat Prime Search n=21 application. Come join us and warm yourself by the Solstice fires!

The Winter Solstice...a predictable event in nature that has occurred for billions of years. A way point in the cyclic motion of the Universe. Many of the today's major winter festivals and celebrations can trace their origins back to this event...the longest night of the year (or the shortest day).

We'd like to wish everyone a Happy Holiday...whatever festival or celebration you may observe.

NOTE: 88% of the world's population lives in the Northern Hemisphere; therefore, we'll observe winter. However, the Southern Hemisphere will be experiencing the Summer Solstice.

This GFN-project is part of the challenge:
GFN-21

These GFN-projects are NOT part of the challenge:
GFN-15
GFN-16
GFN-17 LOW
GFN-17 MEGA
GFN-18
GFN-19
GFN-20
GFN-22

To participate in the Challenge, please select only the (GFN-21) project in your PrimeGrid preferences section. The challenge will begin 11th December 2018 22:23 UTC and end 21st December 2018 22:23 UTC. Only work units issued AFTER the start time and received BEFORE the finish time will be counted.

Application Builds


    IMPORTANT: Overclocking -- including factory overclocking -- on Nvidia GPUs is very strongly discouraged. Even if your GPU can run other tasks without difficulty, it may be unable to run GFN tasks when overclocked.

    Supported platforms:
  • Windows: Nvidia GPU (OpenCL): 32 bit, AMD/ATI GPU (OpenCL): 32 bit, CPU: 64 bit, 32 bit
  • Linux: Nvidia GPU (OpenCL): 32 bit, 64 bit, AMD/ATI GPU (OpenCL): 32 bit, 64 bit, CPU: 64 bit, 32 bit
  • Mac: Nvidia GPU (OpenCL): 64 bit, AMD/ATI GPU (OpenCL): 64 bit, CPU: 64 bit, 32 bit


A Cautionary Reminder


    ATTENTION: The primality programs (both GPU and CPU) are computationally 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 CPU, and please see this post for tips on running GFN on your GPU successfully.

    As with all number crunching, excessive heat can potentially cause permanent hardware failure. Please ensure your cooling system is sufficient.

    It is strongly suggested that you run at least one Work Unit before the challenge to make sure your computer can handle it. Note that "Overclocking" includes GPUs that come overclocked from the factory, and lowering clock rates to the reference speeds is sometimes necessary. In the case of one particular GPU, the GTX 550 Ti, lowering the memory clock below the reference speed is often necessary.

    WU's are currently averaging 11 days on CPU and 19 hours on GPU. For a general idea of how your GPU stacks up, you can have a look at the fastest GPU list.

    If your CPU is highly overclocked, please consider "stress testing" it. Overclocking your GPU is not recommended at all for OpenCL. Sieving is an excellent alternative for computers that are not able to run Genefer. :)


    Please, please, please make sure your machines are up to the task.


Multi-threading optimisation instructions

Those looking to maximise their computer's performance during this challenge, or when running GFN in general, may find this information useful. The latest release of genefer provides multithreading and performance improvements on the CPU for n=21. The client will download the new app automatically, no action is required on your part unless you are using app_info.xml (if you don't know what this means, don't worry). The GPU app versions remain unchanged.


  • Your mileage may vary. Before the challenge starts, take some time and experiment and see what works best on your computer.
  • If you have an Intel CPU with hyperthreading, either turn off the hyperthreading 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.


  • Use GFN's multithreaded mode. It requires a little bit of setup, but it's worth the effort. Follow these steps:

    • Create a app_config.xml file in the directory C:\ProgramData\BOINC\projects\www.primegrid.com\ (or wherever your BOINC data directory is located). For a quad core CPU, the file should contain the following contents. Change the two occurrences of "4" to the number of actual cores your computer has.

      <app_config> <app_version> <app_name>genefer</app_name> <cmdline>-nt 4</cmdline> <plan_class>cpuGFN21</plan_class> <avg_ncpus>4</avg_ncpus> </app_version> </app_config>

    • After creating the file, click on "Options/Read config files". You should then restart BOINC or reboot.
    • The first time BOINC downloads a GFN task, it may act a little strange and download 4 tasks instead of 1. The run times on this first set of tasks may look a bit strange too. This is normal. This will also occur anytime BOINC downloads more than one task at a time. This can be avoided by setting "Use at most [ 1 ] % of the CPUs" before you download GFN tasks. After one task was downloaded, increase the percentage.
    • Some people have observed that when using multithreaded GFN, 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 to the left of the countdown clock.


Scoring information


    Scores will be kept for individuals and teams. Only work units issued AFTER December 11th 22:23:00 UTC and received BEFORE December 21st 22:23:00 UTC will be considered for credit.

    In this challenge we will be using the same scoring algorithm as we use to determine BOINC credits.

At the Conclusion of the Challenge

    We kindly ask users "moving on" to ABORT their WU's 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.

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

    For those of you who wish to continue to help with GFN sieving, we are currently sieving n=18, n=19, n=21 and n=22. Please see New automated manual sieving system for more information.


More information on Generalized Fermat Numbers and the Genefer program


PrimeGrid Challenge Series Results --- Last update: From Halloween (Oct 2018)

Good luck!
____________

River~~
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Joined: 17 Mar 07
Posts: 323
ID: 6533
Credit: 10,953,630
RAC: 20,047
321 LLR Silver: Earned 100,000 credits (124,889)Cullen LLR Silver: Earned 100,000 credits (200,779)ESP LLR Silver: Earned 100,000 credits (112,791)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (106,156)PPS LLR Amethyst: Earned 1,000,000 credits (1,358,025)PSP LLR Silver: Earned 100,000 credits (150,832)SoB LLR Gold: Earned 500,000 credits (573,744)SR5 LLR Gold: Earned 500,000 credits (500,731)SGS LLR Silver: Earned 100,000 credits (474,891)TRP LLR Silver: Earned 100,000 credits (328,373)Woodall LLR Silver: Earned 100,000 credits (119,260)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (2,676,430)PPS Sieve Silver: Earned 100,000 credits (326,987)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (174,708)TRP Sieve (suspended) Gold: Earned 500,000 credits (505,558)AP 26/27 Gold: Earned 500,000 credits (598,364)GFN Ruby: Earned 2,000,000 credits (2,616,892)
Message 123177 - Posted: 6 Dec 2018 | 12:00:13 UTC

hi

You say that GFN-21 tasks are currently averagiing over 11 days: whiich of course implies an "average" CPU will not reach the scoreboard for this challenge.

Of course "average" means average of those CPUs that have recently returned work, and an average over their recent configurations, including the use (or not) of multithreading.

Do you have a feeling for how many in that average would have been using multi-threading as described in your post?

I am inferring that with 4 CPUs multi-threaded you expect a better than /4 on the task durations (because otherwise throughput would be better with separate tasks). Or were you suggesting multitasking simply to make the tasks fit into the 10day constraint?

Many thanks for your thoughts on the above.

My aim is to get onto the scoreboard at all - so will be running just one task and allow it to run to completion even if it misses the challenge deaadline.

R~~

____________
My computers found:

9831*21441403+1 is a quadhectokilo prime prime, ie >400,000 digits ;)

252031090528237591 + 65521*149*23*19*17*13*11*7*5*3*2*n is prime for every n in { 0..20 } (an arithemtic progression of 21 primes)

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Joined: 27 Nov 11
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Found 1 prime in the 2018 Tour de Primes321 LLR Amethyst: Earned 1,000,000 credits (1,789,420)Cullen LLR Amethyst: Earned 1,000,000 credits (1,305,599)ESP LLR Ruby: Earned 2,000,000 credits (2,085,950)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,050,279)PPS LLR Ruby: Earned 2,000,000 credits (2,149,793)PSP LLR Ruby: Earned 2,000,000 credits (2,420,512)SoB LLR Amethyst: Earned 1,000,000 credits (1,493,571)SR5 LLR Ruby: Earned 2,000,000 credits (2,238,295)SGS LLR Ruby: Earned 2,000,000 credits (2,071,060)TRP LLR Ruby: Earned 2,000,000 credits (2,066,087)Woodall LLR Amethyst: Earned 1,000,000 credits (1,293,758)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (207,387)Generalized Cullen/Woodall Sieve Turquoise: Earned 5,000,000 credits (5,049,151)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,422,123)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (3,227,972)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,021,659)AP 26/27 Sapphire: Earned 20,000,000 credits (20,291,817)GFN Emerald: Earned 50,000,000 credits (55,143,105)PSA Sapphire: Earned 20,000,000 credits (43,298,465)
Message 123178 - Posted: 6 Dec 2018 | 12:14:51 UTC - in response to Message 123177.

hi

You say that GFN-21 tasks are currently averagiing over 11 days: whiich of course implies an "average" CPU will not reach the scoreboard for this challenge.

A lot of people, like me, haven't run GFN-21 on their CPU, like ever. So I have no idea if I'd be able to complete a task per core on the CPU. I am going to try multithreading in the next few days to see what the performance is. Maybe 2 cores per task is better than 5 cores per task, I'll find out before the challenge so I have a plan in place. For me most tasks will be by GPU, so CPU tasks will be icing on the cake.

There is more discussion on this new GFN-21 CPU multithreading feature in the thread: Genefer 3.3.4 now live . Have a read for more in depth discussion. Great that this development has happened before the challenge. Can we find a World Record GFN Prime?

Leading edge currently at b=304 ,082. Only 58,004 WU's completed.

Profile Michael GoetzProject donor
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,035,758)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (2,001,789)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,004,898)PPS LLR Ruby: Earned 2,000,000 credits (2,082,200)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (24,608,301)SR5 LLR Turquoise: Earned 5,000,000 credits (7,325,379)SGS LLR Ruby: Earned 2,000,000 credits (2,010,466)TRP LLR Ruby: Earned 2,000,000 credits (2,433,520)Woodall LLR Ruby: Earned 2,000,000 credits (2,012,392)321 Sieve (suspended) Silver: Earned 100,000 credits (200,576)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (3,524,663)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Turquoise: Earned 5,000,000 credits (7,086,053)GFN Emerald: Earned 50,000,000 credits (52,696,917)PSA Jade: Earned 10,000,000 credits (10,038,118)
Message 123182 - Posted: 6 Dec 2018 | 13:03:38 UTC - in response to Message 123177.

hi

You say that GFN-21 tasks are currently averagiing over 11 days: whiich of course implies an "average" CPU will not reach the scoreboard for this challenge.


First of all, everyone's computer is different, so just go and test it yourself. You don't need to run an actual BOINC task. Just get the genefer program and run it from the command line. After a short while it will tell you how long it will take to run, and its estimates are *VERY* accurate. If it's estimating less than 240 hours, it will be able to complete the task within the challenge. Be sure to test in the same configuration as you'll be actually be running during the challenge, since it matters what else is running.

If you want a general rule of thumb for what should work:

Divide CPUs into two classes: Those that have at least AVX, and those that do not. If your CPU does not have AVX, it can't use multi-threading, and is also probably an old and slow CPU, and I'm guessing it won't make it.

If it has AVX (or FMA), and you use multithreading (remember, it's -nt #, not -t #), and it's not a terribly slow computer, I'm guessing you can get at least one task done. My 4 core dsektop Haswell can do a GFN21 in about 38 hours using 4 cores and about 44 hours using 3 cores. Obviously, running on a 2 core machine will take longer, as will running on a laptop or other low power CPU. I think AMD CPUs with AVX do count as having AVX, so they should be able to use multi-threading, but per-core they will be a lot slower than Intel.

Bottom line: AVX or better and using multithreading: very likely. Otherwise, probably not.

P.S. Multi-threading is only usable with GFN-21, so there are not a lot of people who have real experience using it in a live environment.
____________
Please do not PM me with support questions. Ask on the forums instead. Thank you!

My lucky number is 75898524288+1

River~~
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Joined: 17 Mar 07
Posts: 323
ID: 6533
Credit: 10,953,630
RAC: 20,047
321 LLR Silver: Earned 100,000 credits (124,889)Cullen LLR Silver: Earned 100,000 credits (200,779)ESP LLR Silver: Earned 100,000 credits (112,791)Generalized Cullen/Woodall LLR Silver: Earned 100,000 credits (106,156)PPS LLR Amethyst: Earned 1,000,000 credits (1,358,025)PSP LLR Silver: Earned 100,000 credits (150,832)SoB LLR Gold: Earned 500,000 credits (573,744)SR5 LLR Gold: Earned 500,000 credits (500,731)SGS LLR Silver: Earned 100,000 credits (474,891)TRP LLR Silver: Earned 100,000 credits (328,373)Woodall LLR Silver: Earned 100,000 credits (119,260)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (2,676,430)PPS Sieve Silver: Earned 100,000 credits (326,987)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (174,708)TRP Sieve (suspended) Gold: Earned 500,000 credits (505,558)AP 26/27 Gold: Earned 500,000 credits (598,364)GFN Ruby: Earned 2,000,000 credits (2,616,892)
Message 123185 - Posted: 6 Dec 2018 | 13:22:35 UTC - in response to Message 123182.
Last modified: 6 Dec 2018 | 13:27:45 UTC

Thanks Michael,

Both your "try it" and "rule of thumb" tips are VERY helpful, as usual.

Due to the rule of thumb I will exclude the Vista era laptop from the "try it" test ;)

Warmly
R~~
____________
My computers found:

9831*21441403+1 is a quadhectokilo prime prime, ie >400,000 digits ;)

252031090528237591 + 65521*149*23*19*17*13*11*7*5*3*2*n is prime for every n in { 0..20 } (an arithemtic progression of 21 primes)

pyajve
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Credit: 28,455,860
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321 LLR Amethyst: Earned 1,000,000 credits (1,020,991)Cullen LLR Amethyst: Earned 1,000,000 credits (1,603,500)ESP LLR Amethyst: Earned 1,000,000 credits (1,011,523)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,071,890)PPS LLR Amethyst: Earned 1,000,000 credits (1,740,586)PSP LLR Amethyst: Earned 1,000,000 credits (1,023,931)SoB LLR Amethyst: Earned 1,000,000 credits (1,159,647)SR5 LLR Amethyst: Earned 1,000,000 credits (1,071,910)SGS LLR Amethyst: Earned 1,000,000 credits (1,002,109)TRP LLR Amethyst: Earned 1,000,000 credits (1,024,107)Woodall LLR Amethyst: Earned 1,000,000 credits (1,656,609)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (2,206,539)PPS Sieve Amethyst: Earned 1,000,000 credits (1,361,775)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,135,080)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,119,667)AP 26/27 Amethyst: Earned 1,000,000 credits (1,851,694)GFN Ruby: Earned 2,000,000 credits (2,375,130)PSA Turquoise: Earned 5,000,000 credits (5,019,172)
Message 123191 - Posted: 6 Dec 2018 | 18:57:59 UTC

I did run the multi-threaded CPU version on two computers.

4-threaded task
3-threaded task

Only 3/4 of cores were utilized and other stuff run on the machines, so results are sub-optimal. Still something.

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Discovered 2 mega primesEliminated 1 conjecture "k"Found 3 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (7,124,499)Cullen LLR Turquoise: Earned 5,000,000 credits (5,149,818)ESP LLR Turquoise: Earned 5,000,000 credits (5,439,896)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (3,220,326)PPS LLR Sapphire: Earned 20,000,000 credits (36,092,076)PSP LLR Jade: Earned 10,000,000 credits (10,128,604)SoB LLR Jade: Earned 10,000,000 credits (10,478,064)SR5 LLR Jade: Earned 10,000,000 credits (17,003,357)SGS LLR Turquoise: Earned 5,000,000 credits (6,702,766)TPS LLR (retired) Bronze: Earned 10,000 credits (34,130)TRP LLR Turquoise: Earned 5,000,000 credits (8,739,858)Woodall LLR Ruby: Earned 2,000,000 credits (4,680,045)321 Sieve (suspended) Silver: Earned 100,000 credits (203,937)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,383,853)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,281,267)PPS Sieve Emerald: Earned 50,000,000 credits (74,140,875)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,293,882)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,012,757)AP 26/27 Jade: Earned 10,000,000 credits (17,576,712)GFN Sapphire: Earned 20,000,000 credits (24,669,058)PSA Ruby: Earned 2,000,000 credits (2,939,755)
Message 123192 - Posted: 6 Dec 2018 | 19:06:08 UTC - in response to Message 123182.

I think AMD CPUs with AVX do count as having AVX, so they should be able to use multi-threading, but per-core they will be a lot slower than Intel.

Based on LLR, a current AMD core is about half the performance of an Intel core. I have no test data yet how it might scale. Suppose I should do it at some point soon...

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Discovered 2 mega primesEliminated 1 conjecture "k"Found 3 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (7,124,499)Cullen LLR Turquoise: Earned 5,000,000 credits (5,149,818)ESP LLR Turquoise: Earned 5,000,000 credits (5,439,896)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (3,220,326)PPS LLR Sapphire: Earned 20,000,000 credits (36,092,076)PSP LLR Jade: Earned 10,000,000 credits (10,128,604)SoB LLR Jade: Earned 10,000,000 credits (10,478,064)SR5 LLR Jade: Earned 10,000,000 credits (17,003,357)SGS LLR Turquoise: Earned 5,000,000 credits (6,702,766)TPS LLR (retired) Bronze: Earned 10,000 credits (34,130)TRP LLR Turquoise: Earned 5,000,000 credits (8,739,858)Woodall LLR Ruby: Earned 2,000,000 credits (4,680,045)321 Sieve (suspended) Silver: Earned 100,000 credits (203,937)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,383,853)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,281,267)PPS Sieve Emerald: Earned 50,000,000 credits (74,140,875)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,293,882)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,012,757)AP 26/27 Jade: Earned 10,000,000 credits (17,576,712)GFN Sapphire: Earned 20,000,000 credits (24,669,058)PSA Ruby: Earned 2,000,000 credits (2,939,755)
Message 123194 - Posted: 6 Dec 2018 | 20:41:13 UTC - in response to Message 123192.
Last modified: 6 Dec 2018 | 20:48:39 UTC

Well, genefer isn't LLR :) I just done quick tests on 4 systems using command -q "304208^2097152+1" -nt x

Test value was leading edge at the time I looked. Following CPUs are at stock clocks (varies depending on cores active), but have faster ram than officially supported. I did test fewer than max threads per core, and saw a gradual drop in efficiency except in one case I'll get to later. Results below are for running -nt with a value matching the number of cores. Power is that reported in software averaged over 30 seconds minimum. Intel CPUs were pretty stable, the Ryzen CPU varied more.

6700k, 24h, 68W
5930k, 25h, 117W
8086k, 26h, 76W
2600, 30h, 61W average, 75W peak

I wouldn't have guessed it, but the 6700k is my fastest tested system even though it has fewest cores. It does have the fastest ram of these systems, running dual channel dual rank 3200.

The 5930k is showing its age, performing similarly but at much more power cost. Due to system limitations this was only running 2666 quad channel ram.

The 8086k was the only one showing limiting of some form, with 4 to 6 cores performing essentially the same. I wonder if the dual channel single rank 3000 ram is limiting hard? Even if I drop to 4 cores, it is higher clocked than the 6700k but still runs slower. Running 4 cores power drops to 69W, so essentially the same as 6700k at that point but slightly lower performance.

Ryzen 2600 was better than I'd expect, not that far behind the other systems. Then again, it is ball park comparable to the 6700k/8086k at 3 cores, so the factor of two is still there. This was also running dual channel single rank 3000 ram (low latency B-die).

For comparison, my RTX 2070 does 3 units in just over 24h, and takes reported 150W constantly. That puts it a fair bit more power efficient than CPU. I don't have data for older generation GPUs yet.

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Credit: 228,720,260
RAC: 479,064
GFN Double Silver: Earned 200,000,000 credits (228,720,260)
Message 123219 - Posted: 8 Dec 2018 | 0:31:31 UTC

Winter Solstice Challenge warm-up lap: a new CPU record!?
Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz - 17 threads
27,416 sec = 7 h 36 mn 56 sec
https://www.primegrid.com/result.php?resultid=951710455

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Discovered 1 mega primeFound 2 primes in the 2018 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,148,880)Cullen LLR Ruby: Earned 2,000,000 credits (2,773,730)ESP LLR Ruby: Earned 2,000,000 credits (2,084,793)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,686,707)PPS LLR Jade: Earned 10,000,000 credits (11,171,068)PSP LLR Amethyst: Earned 1,000,000 credits (1,855,266)SoB LLR Ruby: Earned 2,000,000 credits (2,798,257)SR5 LLR Jade: Earned 10,000,000 credits (11,169,992)SGS LLR Turquoise: Earned 5,000,000 credits (6,102,969)TRP LLR Turquoise: Earned 5,000,000 credits (5,110,887)Woodall LLR Ruby: Earned 2,000,000 credits (3,612,313)321 Sieve (suspended) Bronze: Earned 10,000 credits (54,591)Cullen/Woodall Sieve (suspended) Double Bronze: Earned 100,000,000 credits (127,922,665)Generalized Cullen/Woodall Sieve Jade: Earned 10,000,000 credits (12,008,381)PPS Sieve Double Amethyst: Earned 1,000,000,000 credits (1,655,954,320)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Turquoise: Earned 5,000,000 credits (8,134,964)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (7,013,696)AP 26/27 Double Bronze: Earned 100,000,000 credits (105,797,224)GFN Double Bronze: Earned 100,000,000 credits (110,495,403)PSA Double Amethyst: Earned 1,000,000,000 credits (1,370,700,486)
Message 123222 - Posted: 8 Dec 2018 | 0:39:36 UTC - in response to Message 123219.

Winter Solstice Challenge warm-up lap: a new CPU record!?
Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz - 17 threads
27,416 sec = 7 h 36 mn 56 sec
https://www.primegrid.com/result.php?resultid=951710455


Wow

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Posts: 468
ID: 126266
Credit: 1,684,283,963
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Discovered 7 mega primes2018 Tour de Primes largest primeFound 4 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,232,081)Cullen LLR Turquoise: Earned 5,000,000 credits (7,698,840)ESP LLR Ruby: Earned 2,000,000 credits (2,872,504)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,101,605)PPS LLR Jade: Earned 10,000,000 credits (15,385,883)PSP LLR Ruby: Earned 2,000,000 credits (3,985,781)SoB LLR Sapphire: Earned 20,000,000 credits (26,642,624)SR5 LLR Turquoise: Earned 5,000,000 credits (5,012,302)SGS LLR Turquoise: Earned 5,000,000 credits (5,000,646)TRP LLR Turquoise: Earned 5,000,000 credits (7,692,745)Woodall LLR Ruby: Earned 2,000,000 credits (2,092,453)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (7,892,369)Generalized Cullen/Woodall Sieve Turquoise: Earned 5,000,000 credits (5,460,722)PPS Sieve Double Gold: Earned 500,000,000 credits (745,985,445)TRP Sieve (suspended) Silver: Earned 100,000 credits (121,416)AP 26/27 Jade: Earned 10,000,000 credits (15,343,185)GFN Double Gold: Earned 500,000,000 credits (822,796,209)
Message 123223 - Posted: 8 Dec 2018 | 0:42:54 UTC - in response to Message 123219.

Winter Solstice Challenge warm-up lap: a new CPU record!?
Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz - 17 threads
27,416 sec = 7 h 36 mn 56 sec
https://www.primegrid.com/result.php?resultid=951710455


Wow, think that's twice as fast as my fastest gpu!
____________
My lucky number's 1059094^1048576+1 :) and 56414916^16384+1 (GFN-14 Consecutive Prime)

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Joined: 17 Oct 05
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Credit: 5,521,733,544
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Discovered the World's First base 116 Generalized Cullen prime!!!Discovered 12 mega primesEliminated 6 conjecture "k"sDiscovered 1 Sophie Germain pairDiscovered 1 Fermat divisor2012 Tour de Primes highest prime count2012 Tour de Primes most Mountain Stage primes2015 Tour de Primes highest prime count2016 Tour de Primes highest prime countFound 23 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de PrimesFound 2 primes in the 2018 Tour de Primes Mountain Stage321 LLR Double Bronze: Earned 100,000,000 credits (100,829,118)Cullen LLR Double Bronze: Earned 100,000,000 credits (103,870,990)ESP LLR Double Bronze: Earned 100,000,000 credits (103,603,483)Generalized Cullen/Woodall LLR Double Bronze: Earned 100,000,000 credits (102,075,655)PPS LLR Double Silver: Earned 200,000,000 credits (303,052,366)PSP LLR Emerald: Earned 50,000,000 credits (87,171,457)SoB LLR Double Bronze: Earned 100,000,000 credits (116,841,417)SR5 LLR Double Bronze: Earned 100,000,000 credits (129,423,098)SGS LLR Double Bronze: Earned 100,000,000 credits (147,496,158)TPS LLR (retired) Silver: Earned 100,000 credits (235,439)TRP LLR Double Bronze: Earned 100,000,000 credits (109,149,031)Woodall LLR Double Bronze: Earned 100,000,000 credits (101,356,263)321 Sieve (suspended) Turquoise: Earned 5,000,000 credits (8,322,150)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (83,794,448)Generalized Cullen/Woodall Sieve Double Silver: Earned 200,000,000 credits (239,608,234)PPS Sieve Double Ruby: Earned 2,000,000,000 credits (2,105,665,691)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Double Silver: Earned 200,000,000 credits (203,523,358)TRP Sieve (suspended) Double Silver: Earned 200,000,000 credits (201,489,157)AP 26/27 Double Bronze: Earned 100,000,000 credits (119,533,830)GFN Double Gold: Earned 500,000,000 credits (895,628,325)PSA Double Silver: Earned 200,000,000 credits (259,058,048)
Message 123225 - Posted: 8 Dec 2018 | 1:37:50 UTC - in response to Message 123219.

Winter Solstice Challenge warm-up lap: a new CPU record!?
Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz - 17 threads
27,416 sec = 7 h 36 mn 56 sec
https://www.primegrid.com/result.php?resultid=951710455


That's a little faster (by 800 seconds) than my RTX 2070 FE!

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ID: 388081
Credit: 12,574,120
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Cullen LLR Bronze: Earned 10,000 credits (17,117)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (23,313)PPS LLR Silver: Earned 100,000 credits (200,403)SoB LLR Silver: Earned 100,000 credits (100,189)SR5 LLR Bronze: Earned 10,000 credits (43,217)SGS LLR Bronze: Earned 10,000 credits (24,028)TRP LLR Bronze: Earned 10,000 credits (21,557)Woodall LLR Bronze: Earned 10,000 credits (72,932)Generalized Cullen/Woodall Sieve Gold: Earned 500,000 credits (910,916)PPS Sieve Ruby: Earned 2,000,000 credits (2,855,237)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (4,373,012)AP 26/27 Amethyst: Earned 1,000,000 credits (1,030,965)GFN Amethyst: Earned 1,000,000 credits (1,411,227)PSA Amethyst: Earned 1,000,000 credits (1,471,120)
Message 123269 - Posted: 10 Dec 2018 | 19:01:01 UTC

Looks like the GFN21 (manual-)sieve is complete.
Are the "results" of the sieve automatically incorporated into the GFN21 subproject?

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Discovered 1 mega primeFound 16 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage321 LLR Ruby: Earned 2,000,000 credits (4,432,945)Cullen LLR Ruby: Earned 2,000,000 credits (3,663,353)ESP LLR Turquoise: Earned 5,000,000 credits (5,609,772)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (712,977)PPS LLR Jade: Earned 10,000,000 credits (19,550,537)PSP LLR Ruby: Earned 2,000,000 credits (4,675,187)SoB LLR Turquoise: Earned 5,000,000 credits (9,483,091)SR5 LLR Ruby: Earned 2,000,000 credits (2,713,359)SGS LLR Ruby: Earned 2,000,000 credits (3,189,809)TRP LLR Ruby: Earned 2,000,000 credits (3,557,322)Woodall LLR Ruby: Earned 2,000,000 credits (3,833,516)Generalized Cullen/Woodall Sieve Jade: Earned 10,000,000 credits (13,345,448)PPS Sieve Double Silver: Earned 200,000,000 credits (214,078,726)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (164,235)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,142,550)AP 26/27 Sapphire: Earned 20,000,000 credits (35,291,347)GFN Emerald: Earned 50,000,000 credits (90,557,984)PSA Amethyst: Earned 1,000,000 credits (1,142,791)
Message 123281 - Posted: 10 Dec 2018 | 20:34:41 UTC
Last modified: 10 Dec 2018 | 20:38:54 UTC

If I only use this I get the error;
Your app_config.xml file refers to an unknown application 'cpuGFN21'

<app_config>
<app_version>
<app_name>genefer</app_name>
<cmdline>-nt 4</cmdline>
<plan_class>cpuGFN21</plan_class>
<avg_ncpus>4</avg_ncpus>
</app_version>
</app_config>

But this does not get the error

<app_config>
<app>
<name>genefer</name>
<gpu_versions>
<gpu_usage>1.0</gpu_usage>
<cpu_usage>0.1</cpu_usage>
</gpu_versions>
<app_version>
<app_name>genefer</app_name>
<cmdline>-nt 4</cmdline>
<plan_class>cpuGFN21</plan_class>
<avg_ncpus>4</avg_ncpus>
</app_version>
</app>
</app_config>

BTW the RTX 2080 Ti Run Time Less that 5 Hours
https://www.primegrid.com/result.php?resultid=951772295

Profile Michael GoetzProject donor
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,035,758)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (2,001,789)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,004,898)PPS LLR Ruby: Earned 2,000,000 credits (2,082,200)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (24,608,301)SR5 LLR Turquoise: Earned 5,000,000 credits (7,325,379)SGS LLR Ruby: Earned 2,000,000 credits (2,010,466)TRP LLR Ruby: Earned 2,000,000 credits (2,433,520)Woodall LLR Ruby: Earned 2,000,000 credits (2,012,392)321 Sieve (suspended) Silver: Earned 100,000 credits (200,576)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (3,524,663)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Turquoise: Earned 5,000,000 credits (7,086,053)GFN Emerald: Earned 50,000,000 credits (52,696,917)PSA Jade: Earned 10,000,000 credits (10,038,118)
Message 123282 - Posted: 10 Dec 2018 | 20:43:32 UTC - in response to Message 123281.

If I only use this I get the error;
Your app_config.xml file refers to an unknown application 'cpuGFN21'

<app_config> <app_version> <app_name>genefer</app_name> <cmdline>-nt 4</cmdline> <plan_class>cpuGFN21</plan_class> <avg_ncpus>4</avg_ncpus> </app_version> </app_config>


But this does not get the error

<app_config> <app> <name>genefer</name> <gpu_versions> <gpu_usage>1.0</gpu_usage> <cpu_usage>0.1</cpu_usage> </gpu_versions> <app_version> <app_name>genefer</app_name> <cmdline>-nt 4</cmdline> <plan_class>cpuGFN21</plan_class> <avg_ncpus>4</avg_ncpus> </app_version> </app> </app_config>


BTW the RTX 2080 Ti Run Time Less that 5 Hours
https://www.primegrid.com/result.php?resultid=951772295


Does that second one actually work and run Genefer with 4 threads? It's not supposed to work according to the BOINC documentation. Specifically, the <app_version> block is supposed to be outside of the <app> block.
____________
Please do not PM me with support questions. Ask on the forums instead. Thank you!

My lucky number is 75898524288+1

Profile bcavnaughProject donor
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Joined: 8 Nov 13
Posts: 101
ID: 273570
Credit: 416,990,887
RAC: 759,382
Discovered 1 mega primeFound 16 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage321 LLR Ruby: Earned 2,000,000 credits (4,432,945)Cullen LLR Ruby: Earned 2,000,000 credits (3,663,353)ESP LLR Turquoise: Earned 5,000,000 credits (5,609,772)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (712,977)PPS LLR Jade: Earned 10,000,000 credits (19,550,537)PSP LLR Ruby: Earned 2,000,000 credits (4,675,187)SoB LLR Turquoise: Earned 5,000,000 credits (9,483,091)SR5 LLR Ruby: Earned 2,000,000 credits (2,713,359)SGS LLR Ruby: Earned 2,000,000 credits (3,189,809)TRP LLR Ruby: Earned 2,000,000 credits (3,557,322)Woodall LLR Ruby: Earned 2,000,000 credits (3,833,516)Generalized Cullen/Woodall Sieve Jade: Earned 10,000,000 credits (13,345,448)PPS Sieve Double Silver: Earned 200,000,000 credits (214,078,726)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (164,235)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,142,550)AP 26/27 Sapphire: Earned 20,000,000 credits (35,291,347)GFN Emerald: Earned 50,000,000 credits (90,557,984)PSA Amethyst: Earned 1,000,000 credits (1,142,791)
Message 123287 - Posted: 10 Dec 2018 | 21:00:18 UTC - in response to Message 123282.
Last modified: 10 Dec 2018 | 21:05:46 UTC

Now I get this error "Your app_config.xml file refers to an unknown application ''"
Like this then?


<app_config>
<app_version>
<app>
<name>genefer</name>
<app_name>cpuGFN21</app_name>
<cmdline>-nt 12</cmdline>
<avg_ncpus>12</avg_ncpus>
</app>
</app_version>
</app_config>

I still only show 7% CPU Usage

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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,035,758)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (2,001,789)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,004,898)PPS LLR Ruby: Earned 2,000,000 credits (2,082,200)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (24,608,301)SR5 LLR Turquoise: Earned 5,000,000 credits (7,325,379)SGS LLR Ruby: Earned 2,000,000 credits (2,010,466)TRP LLR Ruby: Earned 2,000,000 credits (2,433,520)Woodall LLR Ruby: Earned 2,000,000 credits (2,012,392)321 Sieve (suspended) Silver: Earned 100,000 credits (200,576)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (3,524,663)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Turquoise: Earned 5,000,000 credits (7,086,053)GFN Emerald: Earned 50,000,000 credits (52,696,917)PSA Jade: Earned 10,000,000 credits (10,038,118)
Message 123288 - Posted: 10 Dec 2018 | 21:04:22 UTC - in response to Message 123287.
Last modified: 10 Dec 2018 | 21:05:32 UTC

If I only use this I get the error;
Your app_config.xml file refers to an unknown application 'cpuGFN21'

<app_config> <app_version> <app_name>genefer</app_name> <cmdline>-nt 4</cmdline> <plan_class>cpuGFN21</plan_class> <avg_ncpus>4</avg_ncpus> </app_version> </app_config>


But this does not get the error

<app_config> <app> <name>genefer</name> <gpu_versions> <gpu_usage>1.0</gpu_usage> <cpu_usage>0.1</cpu_usage> </gpu_versions> <app_version> <app_name>genefer</app_name> <cmdline>-nt 4</cmdline> <plan_class>cpuGFN21</plan_class> <avg_ncpus>4</avg_ncpus> </app_version> </app> </app_config>


BTW the RTX 2080 Ti Run Time Less that 5 Hours
https://www.primegrid.com/result.php?resultid=951772295


Does that second one actually work and run Genefer with 4 threads? It's not supposed to work according to the BOINC documentation. Specifically, the <app_version> block is supposed to be outside of the <app> block.


Like this then?

<app_config>
<app_version>
<app>
<name>genefer</name>
<app_version>
<app_name>cpuGFN21</app_name>
<cmdline>-nt 12</cmdline>
<avg_ncpus>12</avg_ncpus>
</app_version>
</app>
</app_version>
</app_config>



No.

The <app> and <app_version> sections are separate. They're supposed to follow each other rather than be inside of each other. Furthermore, there's actually no need for the <app> section. All you need is the <app_version> part. This is what I use:

<app_config> <app_version> <app_name>genefer</app_name> <cmdline>-nt 4</cmdline> <plan_class>cpuGFN21</plan_class> <avg_ncpus>4</avg_ncpus> </app_version> </app_config>


EDIT: That's for 4 cores. Change the numbers as necessary.
____________
Please do not PM me with support questions. Ask on the forums instead. Thank you!

My lucky number is 75898524288+1

Profile bcavnaughProject donor
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Joined: 8 Nov 13
Posts: 101
ID: 273570
Credit: 416,990,887
RAC: 759,382
Discovered 1 mega primeFound 16 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage321 LLR Ruby: Earned 2,000,000 credits (4,432,945)Cullen LLR Ruby: Earned 2,000,000 credits (3,663,353)ESP LLR Turquoise: Earned 5,000,000 credits (5,609,772)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (712,977)PPS LLR Jade: Earned 10,000,000 credits (19,550,537)PSP LLR Ruby: Earned 2,000,000 credits (4,675,187)SoB LLR Turquoise: Earned 5,000,000 credits (9,483,091)SR5 LLR Ruby: Earned 2,000,000 credits (2,713,359)SGS LLR Ruby: Earned 2,000,000 credits (3,189,809)TRP LLR Ruby: Earned 2,000,000 credits (3,557,322)Woodall LLR Ruby: Earned 2,000,000 credits (3,833,516)Generalized Cullen/Woodall Sieve Jade: Earned 10,000,000 credits (13,345,448)PPS Sieve Double Silver: Earned 200,000,000 credits (214,078,726)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (164,235)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,142,550)AP 26/27 Sapphire: Earned 20,000,000 credits (35,291,347)GFN Emerald: Earned 50,000,000 credits (90,557,984)PSA Amethyst: Earned 1,000,000 credits (1,142,791)
Message 123289 - Posted: 10 Dec 2018 | 21:12:05 UTC
Last modified: 10 Dec 2018 | 21:33:52 UTC

Working now, thank you Michael

Using the Below for One CPU Task and 2 GPU

<app_config>
<app>
<name>genefer</name>
<gpu_versions>
<gpu_usage>1.0</gpu_usage>
<cpu_usage>0.1</cpu_usage>
</gpu_versions>
</app>
<app_version>
<app_name>genefer</app_name>
<cmdline>-nt 4</cmdline>
<plan_class>cpuGFN21</plan_class>
<avg_ncpus>4</avg_ncpus>
</app_version>
</app_config>

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Joined: 15 Mar 15
Posts: 12
ID: 385186
Credit: 180,693,108
RAC: 70,731
321 LLR Silver: Earned 100,000 credits (267,746)Cullen LLR Ruby: Earned 2,000,000 credits (2,604,986)ESP LLR Silver: Earned 100,000 credits (387,052)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (834,202)PPS LLR Amethyst: Earned 1,000,000 credits (1,779,531)PSP LLR Ruby: Earned 2,000,000 credits (2,386,009)SR5 LLR Amethyst: Earned 1,000,000 credits (1,787,597)SGS LLR Amethyst: Earned 1,000,000 credits (1,203,393)TRP LLR Silver: Earned 100,000 credits (383,411)Woodall LLR Gold: Earned 500,000 credits (585,199)Generalized Cullen/Woodall Sieve Ruby: Earned 2,000,000 credits (2,187,826)PPS Sieve Double Bronze: Earned 100,000,000 credits (137,415,444)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (249,843)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,521,959)AP 26/27 Jade: Earned 10,000,000 credits (14,089,855)GFN Jade: Earned 10,000,000 credits (13,009,056)
Message 123290 - Posted: 10 Dec 2018 | 21:21:59 UTC - in response to Message 123219.

Winter Solstice Challenge warm-up lap: a new CPU record!?
Intel(R) Core(TM) i9-7980XE CPU @ 2.60GHz - 17 threads
27,416 sec = 7 h 36 mn 56 sec
https://www.primegrid.com/result.php?resultid=951710455


W...O...W...!

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