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 Dave 
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Joined: 13 Feb 12
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Post here for challenge chat & progress archiving. |
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Congrats we are #8 so far!
Wish I had more power, even rented 2 quad Xeon cpu-optimized servers from digitalocean to help out for the challenge. Alas I'm far down the ranks. I'm thinking GPU's are the real king this challenge.
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MonkeydeeVolunteer tester
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CPUs are the knife to a gun fight on this one.
Even a low end GPU can out perform a mid-high end CPU here.
Using my CPUs might account for 4-5 spots for me at most and the returns diminish even more at higher level standing.
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My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Anyone know if they will have a badge for finding a AP in the 2019 Oktoberfest event? |
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Anyone know if they will have a badge for finding a AP in the 2019 Oktoberfest event?
Like for Tour de Primes? They will not have a badge like that unfortunately. robish found an AP27 and got two badges for that find however. |
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Dave
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DIV coming up Thu 10th 18:00UT for 5 days - what are the strategies? 1st or throughput? Throughput being a challenge or first given the reward for being 1st could be high for the individual?... |
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MonkeydeeVolunteer tester
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I'm going for total throughput for the challenge. Which on my systems means single threaded for two and multi-threaded for one.
In testing on an i7-4790 I found that 4 single threaded tasks and 2 dual threaded tasks yielded very similar throughput numbers, but with enough difference that I would loose a few units from the challenge. Outside of the challenge I would probably run 2 tasks on 2 threads each with that CPU. Running a 4 threaded task on that CPU was very disappointing.
Single threading: 78 minutes per task (78 minutes for 4 tasks)
Dual threading: 42 minutes per task (84 minutes for 4 tasks)
Quad threading: 25 minutes per task (100 minutes for 4 tasks)
Seeing that result was enough to tell me that single threading on the i5-8400 is the only way to go.
If you have an older CPU, or a CPU that lacks "good" AVX/FMA3 support then it would be worth benchmarking whether multi-threading of some kind is good for you or not.
____________
My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Dave
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Just had bit of a shock:
* 4T: 2000 secs
* 2T: 1800 secs
* 1T: 1400 secs
according to https://www.primegrid.com/results.php?userid=130544&offset=0&show_names=0&state=0&appid=32 (if you can see that) |
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Good luck everyone and happy crunching! 1 hour to go. |
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Dave
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BOOT IT BOYS!!!!!!!!!!!!!! |
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Congrats Penguin! First on the team to get on the list.
Looks like it'll take me about 4 hours to do 1 and already had a DIV queue when it started so might not count toward totals :(.
I aborted the unstarted ones in my queue so once this running batch is done I'll be working on ones that will count toward the event. Just dont want to waste the ones currently running and almost done. |
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Dave
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Congrats Penguin! First on the team to get on the list.
Looks like it'll take me about 4 hours to do 1 and already had a DIV queue when it started so might not count toward totals :(.
I aborted the unstarted ones in my queue so once this running batch is done I'll be working on ones that will count toward the event. Just dont want to waste the ones currently running and almost done.
I manually raced round the house to start mine - 8 & 19 secs in. |
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Dave
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https://statsgr.id/top_team_graph.php?challenge_id=2019_7 |
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Started with 31 Virtual Machine Cores and just nearly doubled that with 10 more Digital Ocean droplets tonight. 61 VM cores in it for the challenge. Now it should get interesting.
Price for the new 30 cores for 5 days is $25. Entertainment budget used to be way more than $25 so this is entertaining, so spending a well spent $25 on entertaining, helping myself, and helping the team in the name of Primegrid, Primes, and Mathematics.
This is began with a referral code I was given for $50 in free credit at http://www.digitalocean.com
I had a little Linux experience, but not much, and I found this to be fairly simple for basic Linux knowledge. Create a VM, connect to it, run a few commands and install boinc, configure, and you are up and crunching on a remote machine.
The 3core 1GB memory standard VM's are great for LLR if you can get some Xeon Gold CPUs. Running the ones setup now all as -t1 but you can run it -t3 for more speed. Lotta bang for the buck. That 3c VM costs $15 for an entire month. That's 50 cents a day! Cup of coffee costs double that around me.
If anyone wants a referral code, you may feel free to use mine - https://m.do.co/c/cd10b71c2e5d This gets you $50 in free initial credit which I think needs to be used in a month, not sure about the month time limit tho.
We should start a separate thread about this tho it's perfect for challenges. Fire a bunch up, crunch, destroy and delete them when done. |
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Currently in 17th right behind walli... let's see if I can catch him. :)
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The team is off to a great start! 8th Place! |
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My home machines kinda suck, so just spun up 5 machines with 3-core Xeon Golds on digitalocean. :) hope it helps.
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We should start a separate thread about this tho it's perfect for challenges. Fire a bunch up, crunch, destroy and delete them when done.
I would be willing to help with that thread. Been using DO for years. It just took me spinning up 10 3-core nodes to get the 5 ones I wanted with Xeon Golds. So that's about a 50/50 shot and in reviewing the Oktober challenge the Gold cpu was significantly faster than the 2650 (?).
The cheaper "standard" node with Gold was actually higher performance than the CPU-specific nodes that cost 2x.
Looking at the cost 0.022/hour*5 machines* 24 hours = $2.64 a day :) I might spin up another $5 just to help out during the event. |
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Dave
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1 day in - standings so far:
17 Penguin 496 641.94 1196
26 yank 332 183.79 801
34 ILW8 244 508.49 588
95 Tern 101 921.42 246
112 RussEfarmer 77 997.29 188
120 Keith 71 019.45 171
178 Dave 36 897.82 89
216 jshriver 24 467.05 59
360 thebestof_Superman 1 654.23 4
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Added 15 more machines with 3 Xeon Golds each, so up to 60 cores now just on digital ocean :) hoping to catch up with you guys. |
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yank
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That a nice farm!!! |
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Dave
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After 2 days:
14 Penguin 1 187 038.31 2767
28 yank 700 288.23 1642
31 ILW8 641 398.08 1486
37 jshriver 522 990.40 1215
100 Tern 219 557.38 513
114 RussEfarmer 168 689.64 394
117 Keith 159 595.08 371
189 Dave 78 561.47 184
381 thebestof_Superman 6 370.22 15
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Holy crap i didn't think i would break top 100 and now #34!
This is a it addicting lol. Just wish i could find my first prime. |
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In chat Mike Goetz said the double checker on one of the DIV primes just found was a Digital Ocean droplet! :)
jshriver that's a good number of droplets! You will race ahead!
We are doing great as a team with only 13 members! Right there with the big boys :) |
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Dave
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After 3 days:
14 Penguin 1816083.10 4097
26 yank 1096355.27 2477
31 jshriver 991100.51 2235
34 ILW8 873803.42 1975
100 Tern 321821.26 729
113 RussEfarmer 246076.94 556
118 Keith 236496.51 532
191 Dave 115279.12 262
398 thebestof_Superman 9704.06 22
We are up to 7th, surely we can obliterate those AMD fanboys & girls in the next 48 hours ;).
Keep your heads down. |
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Dave
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Day 4, final stretch to go:
13 Penguin 2473113.94 5428
25 yank 1483557.84 3264
26 jshriver 1477129.12 3253
37 ILW8 1094789.41 2422
101 Tern 429201.25 947
119 RussEfarmer 321534.43 709
122 Keith 314198.77 689
197 Dave 151521.38 336
425 thebestof_Superman 11643.91 26
Teams tight between 5th & 6th but I think we're safe at the minute in 7th
Flow of our positions over the past 4 days:
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You can see the jump for jshriver once he started a bunch of droplets up.
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Dave
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It's a v1.0 graph lol. Tomorrow will be more betterer. |
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You can see the jump for jshriver once he started a bunch of droplets up.
Just following your footsteps Penguin :)
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[quote]You can see the jump for jshriver once he started a bunch of droplets up.
Just following your footsteps Penguin :)
Droplet's are the new rave here. Following in this case is wise ;) |
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16 hrs to go and we are sitting pretty in position #7! Good job everyone! Well done!
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That AMD team has 26 active members. The #1 being vaughan with his crunching super force. We'll catch up to them in the future. We are building a great team here! |
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Was there more than 1 mega prime found this event? IF not then I was the lucky one to be the double checker :)
29*2^4532463+1 1,364,409 (decimal) |
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Dave
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Was there more than 1 mega prime found this event? IF not then I was the lucky one to be the double checker :)
29*2^4532463+1 1,364,409 (decimal)
Well done. Do you have a cache at all? |
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Dave
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& we're done:
13 Penguin 3010140.99 6489
21 jshriver 1993198.63 4287
25 yank 1895790.20 4077
39 ILW8 1326365.32 2879
106 Tern 535832.02 1158
125 RussEfarmer 399935.17 864
126 Keith 396609.67 852
200 Dave 189451.42 411
429 thebestof_Superman 15626.69 34
Congratulations all. A commendable 7th place overall - fantatsic for a fairly fresh team!
Today's graph looks just the same as yesterday's so nothing new to report ;).
Back to normal here for just over a week then we do it all over again! |
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Well done. Do you have a cache at all?
Sorry do not understand what you mean by cache. Unfortunately I've already destroyed all the DO nodes so any data would be gone.
In the future if there is something I should save please let me know :)
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MonkeydeeVolunteer tester
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Cache in this case refers to how many days worth of tasks you have saved up.
Some people like to have a cache of tasks if they have intermittent internet or other issues with constantly getting new tasks.
Having a cache of tasks at PG is not recommended unless otherwise necessary. Having a cache means you will likely never be 1st on a task so any prime you find you would be the double checker.
____________
My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Having a cache means you will likely never be 1st on a task so any prime you find you would be the double checker.
How do you disable it so you dont cache any and only work on tasks as they are requested? |
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MonkeydeeVolunteer tester
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I only know how to do it in the standard BOINC manager.
In BOINCTasks, other managers, or command line there will be different options.
In the BOINC manager make sure you're in Advanced view and then go to Options > Computing Preferences.
Once there make sure that "Store at least X days of work" and "Store up to an additional X days of work" are both set to 0
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My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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In the BOINC manager make sure you're in Advanced view and then go to Options > Computing Preferences.
Once there make sure that "Store at least X days of work" and "Store up to an additional X days of work" are both set to 0
Cool thank you very much! |
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Dave
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Blink & you'll miss it - 321 melee is just around the corner, little over 24 hours. Awkward rolling start for those of us in Europe but easier for other timezones. I won't be able to do the daily updates so if someone else would like to take those reins. |
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Dave
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All ready here with a strategic pause to try & finish current work soon after the start time for a rolling start. |
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I'm a bit late to the game by switched over from SGS and fired up 10x 3 cores systems.
Only 1/2 what I did last time but should help a bit :) |
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Dave
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Main host is on the cusp of making a 23rd unit in but the question is should one get a cache thus safeguarding away from the increasingly longer tasks, especially given how popular this challenge is... |
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Well done everyone!
Our team finished in 9th place! With 7,306,098.12 credit and 1,155 321 tasks!
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Anyone know if they do GPU challenges? I still have ~$280 left in free credit on my google cloud account. Was able to get a dedicated K80 instance running but saving it for primegrid competitions.
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MonkeydeeVolunteer tester
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Anyone know if they do GPU challenges? I still have ~$280 left in free credit on my google cloud account. Was able to get a dedicated K80 instance running but saving it for primegrid competitions.
GPU challenges happen a lot here too.
The final challenge of this year is GFN21/22/Lucky and that'll be mostly GPU. You can also do multi-threaded GFN21 on the CPU with an app config entry.
____________
My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Dave
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The final challenge of this year is GFN21/22/Lucky and that'll be mostly GPU.
Its silly name is putting me off doing it. |
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Dave
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106 Keith Antarctic Crunchers 27 053.55 1
107 RussEfarmer Antarctic Crunchers 27 053.33 1 |
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Dave
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GFN challenge, the final PG challenge of the decade, is now on. I started an hour late because, you know, I sleep.
Good luck everyone! |
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Yank.. are you throwing everything you have at the GFN challenge? You should do well with your GPU force. |
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Quick reminder the 321 Sieve 1 day challenge begins in about 22hrs from now.
For 321 Sieve hyper threads (HT) do help throughput. So if you have more threads than cores you can use them and gain a bit more throughput. Times will increase slightly but I haven't seen anything double in times necessarily when doubling your cores with all the threads.
Remember this is only a 24hr challenge!
AMD chips will be competitive as AVX is not part of 321 Sieve.
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Dave
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I3 times for me from 2900s for 2 threads to 4900 for 4, so I say that's a typical improvement per thread. |
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I3 times for me from 2900s for 2 threads to 4900 for 4, so I say that's a typical improvement per thread.
i3's can be the most affected.. my laptop is that way...
however, on the Ryzen 3950x times are 2110s for 16 threads vs 2800 or so for 32 threads... very little difference for double the tasks.
I'd but curious how a 1900x like Russ's does in comparison. |
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Good luck everyone on the new challenge starting today. I'm throwing everything I have at it since its only 24hours. |
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MonkeydeeVolunteer tester
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This will be a fun 24 hour sprint where even the kitchen sink will make a splash!
____________
My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Dave
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I've cost the team 34 units by trying to be clever & ended up waking 3h15 late with my lights still on. Go me. |
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where even the kitchen sink will make a splash!
🤣🤣🤣🤣🤣🤣 |
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I have about 35 instances on Rytis's The Science Cloud aka TSC running... very good service and highly recommend it. Easier to setup than Digital Ocean. I will make a quick walk through eventually for anyone interested. ILW8 and Myself and Darkclown seemed to have maxed out his total available instances this time tho. It's a work in progress and he didn't expect such high demand.
https://thescience.cloud/ |
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For the Tour de Primes event PPSE is the best to run for CPU?
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MonkeydeeVolunteer tester
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For the Tour de Primes event PPSE is the best to run for CPU?
You can run anything you want for TdP.
If you're just looking to get on the board at all, or take a stab at the Yellow Jersey then PPSE for CPU and GFN16 for GPU are the ways to go.
If you want to try for the Red Jersey then you can run larger projects and hope for the best. High chance of nothing being found though.
____________
My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Dave
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I was going to go mega-all-out if poss as I haven't got an M badge. It really is luck of the drawer. |
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Congrats Penguin! |
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Congrats Penguin!
Thanks. Have found 5 so far.. 3 GFN16's and 2 PPSE's and also have 4 DCs. Averaging 1 Prime every 2 days. |
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Dave
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Year Of The Rat challenge on SR5 starts now.
Good luck to all! |
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Wow, 82nd Place for me right now. Not my typical showing. Unfortunately I have some computers on other projects.
However, we are still in 8th place as a team! Good job everyone! Keep up the good work! Our goal should be a Top 10 Finish. Even higher would be awesome!
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JamesProject administrator
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Rejoined the team, hopefully my small contributions helps us! |
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Dave
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Rejoined the team, hopefully my small contributions helps us!
Welcome, all contributions are valuable. Project admin now? |
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JamesProject administrator
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Rejoined the team, hopefully my small contributions helps us!
Welcome, all contributions are valuable. Project admin now?
It would seem like it. Fired up a few instances over at TSC. Hopefully helps us get past some of the other teams
EDIT: Super close to passing [H]ard|OCP soon |
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Great job by everyone who is participating in the SR5 challenge. With just over a day and a half remaining we are sitting nicely in 6th place! That is VERY impressive. Keep up the good crunching! |
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Dave
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CALL TO ARMS: we are very close to 5th place - in order to retain it please consider
pausing any F@H you have going for the final 36 hours. |
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BertleVolunteer tester
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I did spin up some more hardware last night. Maybe we'll get that #5. Not much time left! |
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MonkeydeeVolunteer tester
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I did spin up some more hardware last night. Maybe we'll get that #5. Not much time left!
We got it!
5 Antarctic Crunchers 19 161 340.43 8 075
6 SETI.Germany 19 088 305.77 8 072
Now we need to keep it!
____________
My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Dave
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Which indeed we did!
4 Sicituradastra. 22365289.56
5 Antarctic Crunchers 21100383.21
6 SETI.Germany 20786169.43
Fantastic work everyone!
Remember, see you at the next, SGS 1 April @ 12:00UT (04:00PST, 07:00EST, 02:00 the next day in Kiribati). |
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Congrats everyone on getting #5!
I'm also pleased to see that I've moved up from 175th to 157th in the overall standings.
I think I'm going to keep my machines on SR5 for a few more days to pick up the gold badge, too.
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Well done everyone! As was said we placed 5th as a team! That's incredible! Great job and good crunching all around!
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BertleVolunteer tester
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We're #2 right now on the Sophie Germain's Birthday Challenge, but barely!
The Czech National Team is right on our heels. Keep it up! |
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We're #2 right now on the Sophie Germain's Birthday Challenge, but barely!
The Czech National Team is right on our heels. Keep it up!
Looks like we've dropped to a comfy 3rd now. 4th is a good bit behind. 1st place is about 2,800 tasks ahead. |
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Yes!! We got 3rd place in the April 2020 SGS Challenge! We done everyone! We are competing against some difficult teams to match up with and we did simply amazing!
Congrats Everyone, and Happy Crunching! |
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BertleVolunteer tester
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Yes!! We got 3rd place in the April 2020 SGS Challenge! We done everyone! We are competing against some difficult teams to match up with and we did simply amazing!
Congrats Everyone, and Happy Crunching!
Nice work everyone! |
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PPSE BACON DAY CHALLENGE!
Who's ready to rock and roll with the PPSE Challenge!? Let's see if we can take another victory!
Remember to benchmark and test your systems for heat/stability. PPSE runs hot when you run multiple tasks on most CPUs.
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PPSE BACON DAY CHALLENGE!
Who's ready to rock and roll with the PPSE Challenge!? Let's see if we can take another victory!
Remember to benchmark and test your systems for heat/stability. PPSE runs hot when you run multiple tasks on most CPUs.
I just queued up PPSE on my machines..... |
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Do you think it is safe to use more than 50% of processors for PPSE since these tasks are single threaded?
I am currently running 50% but it would be beneficial for obvious reasons to go higher if heat were not an issue and it will not be in my case I have a MO-RA3 external radiator. This may seem like overkill but it is the only way I can keep my 3 GPUs from cooking.
G |
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MonkeydeeVolunteer tester
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Do you think it is safe to use more than 50% of processors for PPSE since these tasks are single threaded?
I am currently running 50% but it would be beneficial for obvious reasons to go higher if heat were not an issue and it will not be in my case I have a MO-RA3 external radiator. This may seem like overkill but it is the only way I can keep my 3 GPUs from cooking.
G
For best performance it's likely best to stick with one task per physical core.
However, if you want to test things out feel free and let us know how it goes.
Also, keep in mind that the only tasks that count are ones that are sent out after the challenge starts and are returned before the challenge ends.
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My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Do you think it is safe to use more than 50% of processors for PPSE since these tasks are single threaded?
I am currently running 50% but it would be beneficial for obvious reasons to go higher if heat were not an issue and it will not be in my case I have a MO-RA3 external radiator. This may seem like overkill but it is the only way I can keep my 3 GPUs from cooking.
G
For best performance it's likely best to stick with one task per physical core.
However, if you want to test things out feel free and let us know how it goes.
Also, keep in mind that the only tasks that count are ones that are sent out after the challenge starts and are returned before the challenge ends.
It turns out I can crank through more jobs if I run on more than 50% CPU. I take a penalty in time per job though reducing the number of 1sts. I tried running on 95% of CPU and runs went from 600-700 seconds to 1000-1200 per job. I am going back to the recommended 50%, fewer jobs completed but more 1sts. |
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Looks like we have another one nearly won everybody. less than 2 hrs remain in the PPSE Bacon Day Challenge.
Great job by all teammates!
Don't give up yet however, keep at it, run through that finish line :)
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Now official, our team took another first place in the latest challenge. Great job everyone. |
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Now official, our team took another first place in the latest challenge. Great job everyone.
Yes we did! Congrats to all!
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Time for us to take another victory in a challenge....can we do three in a row?
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Impressive showing so far. I think we may have another challenge victory!
A bit over 11hrs to go.
Job well done by all! |
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Dave
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Time for us to take another victory in a challenge....can we do three in a row?
Yes we can. Fanastic job all.
In fact it was so utterly demolishing Mr Gelly genereated 24.3% of all the credit in the challenge & our top 2 users combined generated 32.2%. Beat that at the CUL/WOO challenge - see you on 18th Nov! |
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We seem to be lagging a bit behind this CUL/WOO challenge... Hoping we are just waiting for some low thread count runs to come through. |
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We've made it to 1st place. Now to maintain and expand the lead. |
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Dave
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GFN 18, 19 + 20 about to start,
Everyone ready with their strategies & cleaned out PCs? Good.
GO! |
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Michael GoetzVolunteer moderator
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Unfortunately, I'm not at home and my computers aren't responding as expected. They haven't contacted PG. For now, I'm out.
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My lucky number is 75898524288+1 |
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Neck and neck with CNT. Long challenge ahead still. It will be a close one right till the end! |
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Unfortunately, I'm not at home and my computers aren't responding as expected. They haven't contacted PG. For now, I'm out.
Oh no! |
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tngSend message
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Neck and neck with CNT. Long challenge ahead still. It will be a close one right till the end!
Now ahead and pulling away. Pour it on!
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Dave
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A week down, still 3 days to go. Czech are still within our rear view. Keep up the performance & keep pushing. |
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Close race and we feel a few on CNT may be ready to do some dumping of tasks at the end.. going to be a photo finish... Few days to go |
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It is not possible to se Viktor Svatners computers, but if anyone dumps anything significant, it will be him. Upon a closer look on this graph page https://statsgr.id/team.php?challenge_id=2020_9&team_id=46 it is obvious he has quite a machine room.
The first period he was dormant but on day 2 he started out with roughly 14M points pr day. That equals 24 V100 or 70 T4 (!) On day 6 he proofed the ability to more than double that output from dec 26 18:00 to dec 27 18:00 with around 36M points(!!) but his output has settled at roughly 20M+ pr day. Assuming he is hiding this potential and dumping that at the end of the challenge we are looking at at least 64M points we need to be ahead.
Now i have no idea if that is the plan, but i wouldn't be surprised.
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It is not possible to se Viktor Svatners computers, but if anyone dumps anything significant, it will be him. Upon a closer look on this graph page https://statsgr.id/team.php?challenge_id=2020_9&team_id=46 it is obvious he has quite a machine room.
The first period he was dormant but on day 2 he started out with roughly 14M points pr day. That equals 24 V100 or 70 T4 (!) On day 6 he proofed the ability to more than double that output from dec 26 18:00 to dec 27 18:00 with around 36M points(!!) but his output has settled at roughly 20M+ pr day. Assuming he is hiding this potential and dumping that at the end of the challenge we are looking at at least 64M points we need to be ahead.
Now i have no idea if that is the plan, but i wouldn't be surprised.
I think you were nearly spot on Soulfly. That's what happened. |
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The start of the 2021 Primegrid Challenge Series begins tonight at 00:00:00 UTC.
Let's give it what we can give it and have a strong start right out of the gates this year. CNT only won last year because we had a slow start in the initial challenges. This year......... We can do it! Better, stronger, smarter, and more of us!
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Dave
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Wrong. I mis-estimated my earliest & it started @ 23:57. So I didn't get going until after 2am. & I'm rocking 15th.
But that's ok - we've got Gellygate. |
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darkclownVolunteer tester
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Wrong. I mis-estimated my earliest & it started @ 23:57. So I didn't get going until after 2am. & I'm rocking 15th.
But that's ok - we've got Gellygate.
Ain't that the truth... dang.
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My lucky #: 60133106^131072+1 (GFN 17-mega) |
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GellyVolunteer tester
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wooooo, spring break |
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Would really appreciate any and all tips and tricks for the upcoming Tour de Prime 2021.
1. What are the best "fastest" tasks to run?
2. Which tasks is most likely to find primes?
3. Which tasks is most likely to find large primes?
4. What are some of the optimal settings for the CPU and GPU for this Competition?
C'mon you" Heavy Hitters" share your " Secret Sauce" with us new guys, PLEASE?
Anything you are willing to help with will be greatly appreciated. Would be awesome if for every challenge we could get this kind of input to maximize all of our opportunities.
Maybe even have a new thread just for " Tips and Tricks"?
Have an AWESOME day!
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Bark LOUD, Bite HARD! |
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Would really appreciate any and all tips and tricks for the upcoming Tour de Prime 2021.
1. What are the best "fastest" tasks to run?
PPSE and GFN-16
2. Which tasks is most likely to find primes?
PPSE and GFN-16
3. Which tasks is most likely to find large primes?
If by large you mean MEGA over 1M digits... then GFN-17Mega and PPS Mega are the most likely.
4. What are some of the optimal settings for the CPU and GPU for this Competition?
-t2 or -t3 on PPSE and use Linux to run your smaller GFNs. If you have a Ryzen CPU seriously consider running and using AffinityWatcher to bind tasks to cores and CCXs and CCDs.
C'mon you" Heavy Hitters" share your " Secret Sauce" with us new guys, PLEASE?
Anything you are willing to help with will be greatly appreciated. Would be awesome if for every challenge we could get this kind of input to maximize all of our opportunities.
Maybe even have a new thread just for " Tips and Tricks"?
Have an AWESOME day!
I've just been running PPSE and GFN-16 and seems I have the lead for now at least in total primes found. If you want to earn a P (prime finder during TdP badge) run PPSE and gfn-16... those will be the easiest and most active to find a prime this month. As sizes increase they will get harder. If you are after more than just a P badge, and a P-M badge (Prime finder for a Mega) then run the heck outta PPS-Mega and GFN-17Mega.
If you want to try to win largest prime found, run something bigger.. but the odds are not nearly as good, but as that goes, so are rewards.
There is also total prime score, which can be a mixture.
The badges are jersey images for the main prizes. Various colors. |
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WW challenge begins tomorrow!
Bring your best GPUs for this one or large core count CPUs. Turing and Ampere Nvidia GPUs have the advantage here over previous generations like Pascal 10 series cards.... I'm unsure exactly how AMD cards will perform but I have added an RX 6800 to the fleet so that will be participating this time as well.
Best of luck everyone! |
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tngSend message
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Revving up GPUs. CPUs will stay on other things.
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ESP Challenge Begins This Saturday.
CPU only challenge. Get your machines ready to rock and roll. :) Benchmarking and testing on your own hardware for optimal throughput should be done. |
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Dave
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All
GFN17-Low challenge starts in half an hour from the time of this posting.
Give it your all, we may need everything we've got for this one. |
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PSP Challenge Coming Up. Ryzen's with large cache will do best here.
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Remember to use Affinity Watcher if you are on Windows and using Ryzen's and lock each task to a 32MB cache block. PSP tasks use 20MB+ of cache per task. If you run 1 task per CCX with 16MB it will overflow it. So best to lock it to one CCD which is 2 CCX's. This is on the 3000 series.
For those of you running the 5000 series, each CCD is now as big as 2 CCX's were before and you should still lock it to a CCD but the difference is that there won't be cross talking between CCX's in that CCD slowing things down.
Think of CCD's as factories, and the CCX's the rooms with the cores inside the factories. Cache use being project size. If you have to keep moving stuff between rooms or between factories for each project it slows things down. Same idea here.
The 5000 series just has larger rooms with more machines/cores. Cache being the workspace.
For Intel Chips.. cache is a big issue. If you happen to have an AVX-512 compatible CPU you will see some very fast times. If you know your CPU has less than 20MB of cache full MT using all cores is the best way to run it. |
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AP Challenge Upcoming!
This AP app does extremely well on GPUs but CPUs can also be used here. The best throughput and also best chances of being first against another CPU are to use all of the Hyperthreads. This will have less impact on your GPU tasks than you would think since AP tasks use close to no CPU time.
For example, on a 3700X CPU use all 16 threads not just 8 cores. 16 threads on AP will be your optimal way to go here.
3950X/5950X - Use 32 threads
Intel whatever it may be, max thread counts.
This splits up the task better the more threads you use and you will get an optimal time on your CPU as well as achieve the best throughput (Thanks to Monkeydee for running recent tests with AP on CPU.) |
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A reminder to those not on Discord chatting... For this 17 Low/Mega Challenge CPUs are a viable option for credit. Some CPUs can produce more tasks in a given time than can some GPUs!
Don't forget to use CPUs for this challenge as well. Average times should be like 45-80 minutes. |
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o/
Let's do this! |
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321 Sub-project Challenge begins in a few hours.
Each task will use a little over 8mb of cache memory on the CPU.
For Ryzens 3rd Gen you can fit 1 task easily into 1 CCX so running -t3 or -4 will give the best results with each CCX having 16MB. Intel's just make sure it fits in the cache however many tasks you will be running. AVX512 helps here.
Tasks run fairly quickly also for such a large prime possibility.
Good luck and happy crunching!
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A new challenge begins in 4.5 hrs! GFN-19 Project. GPUs and now CPUs are a viable option for this one.
GFN-19 uses 10mb of cache on CPU and is best to fit 1 task per CCX on Ryzen 3rd Gen processors. Use of Affinity Watcher can increase performance by 20% or more. Multi-threading of GFN-19 tasks is possible via the web page configuration options.
Good luck to all in the Challenge. As a team lets show em what we got. We have some new recruits for this one and I'm sure we will do very well as always! |
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Just over 2 hrs till challenge start! You may begin to play your favorite challenge hype-up music! :) |
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Dave
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Good luck to all. |
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If you wish to participate in this challenge then now is the time. For the next 5 days crunch as much GFN-19 as possible.
Good luck to everyone involved! |
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Well done by everyone so far this challenge! We've had the new boys on the block AnandTech really showing some crunching. Looks like we are secure for 2nd but there may be some bunkering by nearby teams that have not reported in yet. Less than 16hrs left to go. Don't power down those crunchers just yet. Let's give us a final push to the end of the challenge. |
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Dave
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I am 1 unit down due to a failed automation attempt (I have identified the cause). Am now on the final squeeze-out (tmi). |
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2nd Place!
A great showing by everyone participating!
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We are still in 2nd place overall this year! Lets keep it there or 1st! :)
- https://statsgr.id/overall/2022_Challenge_Series_Current_Standings_Teams.html |
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MonkeydeeVolunteer tester
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Another challenge in the books and another fantastic showing by the team!
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My Primes
Badge Score: 4*2 + 6*2 + 7*1 + 8*11 + 9*1 + 11*3 + 12*1 = 169
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Dave
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