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 Showing results 1 to 25 of 1000 Search took 0.37 seconds. Search: Posts Made By: ATH
 Forum: Lounge 2022-08-18, 12:03 Replies: 392 Views: 49,097 Posted By ATH 20 year anniversary, or were you being sarcastic?... 20 year anniversary, or were you being sarcastic? Hmm it took almost 3 months until Nov 8th for post #2 on the server? Xyzzy didn't even reply to George welcome post? :smile:...
 Forum: Miscellaneous Math 2022-08-18, 08:24 Replies: 18 Views: 388 Posted By ATH Factoring limits I factored remaining candidates... Factoring limits I factored remaining candidates up to back then with mfaktc (only looking for factors 2*k*p^2 + 1) 2000-2803 65 bits 2833-3989 66 bits 4007-5653 67 bits 5657-7993 68 bits...
 Forum: Miscellaneous Math 2022-08-18, 05:18 Replies: 18 Views: 388 Posted By ATH You can trial factor 2p^2-1 more efficiently on... You can trial factor 2p^2-1 more efficiently on GPU with a modified mfaktc that accepts p^2, or if on a CPU then a modified version of Ernst MFactor that accepts p^2. If Pfgw is not used for...
 Forum: Miscellaneous Math 2022-08-17, 21:27 Replies: 18 Views: 388 Posted By ATH PFGW also works like this: ABC... PFGW also works like this: ABC (2^($a*$a)-1)/(2^\$a-1) 59 result: (2^(59*59)-1)/(2^59-1) is 3-PRP! (0.0235s+0.0004s) Here are my results from back then, including more factors up to 10000:...
 Forum: Marin's Mersenne-aries 2022-08-15, 21:48 Replies: 823 Views: 144,476 Posted By ATH Your result was correct again: 62897243 :smile: Your result was correct again: 62897243 :smile:
 Forum: Marin's Mersenne-aries 2022-08-13, 08:56 Replies: 823 Views: 144,476 Posted By ATH Your result was correct: 62897227 Your result was correct: 62897227
 Forum: Hardware 2022-08-11, 00:52 Replies: 6 Views: 458 Posted By ATH I found the command: export... I found the command: export LD_LIBRARY_PATH="/usr/lib64-nvidia" fixed nvidia-smi. V100 is using 248W-253W and A100 is using 321W-323W (and TDP is actually 400W). V100: 340 µs/iter * 253 W =...
 Forum: Hardware 2022-08-10, 12:33 Replies: 6 Views: 458 Posted By ATH Google Colab: Tesla... Google Colab: Tesla V100-SXM2-16GB-0 Gpuowl v6.11-380-g79ea0cc 3.25M FFT LL (not PRP): 340 µs/iter Tesla A100-SXM4-40GB-0 Gpuowl v6.11-380-g79ea0cc 3.25M FFT LL (not PRP): 205 µs/iter I...
 Forum: Software 2022-08-08, 12:14 Replies: 7 Views: 299 Posted By ATH Here are some discussion and explanations of P+1:... Here are some discussion and explanations of P+1: https://www.mersenneforum.org/showthread.php?t=26700 and in the 30.4/30.5/30.6 thread from post #150 and onwards when the P+1 feature was...
 Forum: Dobri 2022-08-07, 18:50 Replies: 19 Views: 2,420 Posted By ATH I did P-1 on M1277 with B1=1012 and B2=2.35*1017... I did P-1 on M1277 with B1=1012 and B2=2.35*1017 with GMP-ECM 7.5 years ago back in January 2015, and I wouldn't be surprised if other people went even further. I did not turn it into primenet...
 Forum: Lounge 2022-07-30, 20:43 Replies: 375 Views: 70,607 Posted By ATH This estimate is not proven and we had 13 between... This estimate is not proven and we had 13 between 107 and 108, so who knows how many there will be.
 Forum: Lounge 2022-07-30, 11:00 Replies: 375 Views: 70,607 Posted By ATH Here is the list using the agreed upon discovery... Here is the list using the agreed upon discovery dates, and today July 30th we reached the previous record gap of 1331 days, so tomorrow will be a new record :sad: This is not a record we want to...
 Forum: Lounge 2022-07-30, 10:24 Replies: 375 Views: 70,607 Posted By ATH It was turned in to the primenet server on Apr... It was turned in to the primenet server on Apr 12th, which originally was considered the discovery date. But it was not noticed until June 4th which we later decided should be the real discovery date.
 Forum: Software 2022-07-16, 17:37 Replies: 56 Views: 3,340 Posted By ATH Here are some tests with the old Core i7-5960X... Here are some tests with the old Core i7-5960X with 24000MB RAM for Prime95, only using 1 core for both Stage 1 + 2, since I was not sure what number of cores was best to test with in Stage 2, and if...
 Forum: Software 2022-07-15, 17:25 Replies: 56 Views: 3,340 Posted By ATH It IS an old computer (Core i7-5960X from 2014,... It IS an old computer (Core i7-5960X from 2014, bought mine in Oct 2015), but it is using FMA3 FFT. I will just continue with SumInputsErrorCheck=0 and hope it is just "almost really close"...
 Forum: Software 2022-07-15, 11:13 Replies: 56 Views: 3,340 Posted By ATH M2719 had many SUMOUT errors as well, so I set: ... M2719 had many SUMOUT errors as well, so I set: SumInputsErrorCheck=0 and now it seems to run fine. Does that mean the SUMOUT errors are just hidden now but still there or are they false?
 Forum: Software 2022-07-15, 02:10 Replies: 56 Views: 3,340 Posted By ATH I was starting some timing tests as well, just... I was starting some timing tests as well, just running on 1 core with 24GB RAM, but I got several SUMOUT errors during stage 1: ECM2=1,2,2267,-1,800000000,80000000000,1 It did finish stage 1 at...
 Forum: Proth Prime Search 2022-07-12, 19:53 Replies: 17 Views: 1,036 Posted By ATH You only need to check about half the primes, as... You only need to check about half the primes, as you pointed out Ken Wilke found some dependencies, so you only need to check primes that are 1, 9 or 11 (mod 14) which is about half of all primes...
 Forum: Marin's Mersenne-aries 2022-07-05, 21:44 Replies: 823 Views: 144,476 Posted By ATH Was already taken: DoubleCheck=61963261,75,1 ... Was already taken: DoubleCheck=61963261,75,1 I took the rest.
 Forum: Proth Prime Search 2022-07-05, 14:05 Replies: 17 Views: 1,036 Posted By ATH We have an old thread for this: ... We have an old thread for this: https://www.mersenneforum.org/showthread.php?t=10336 The list is in post #10, we are only missing factor for that one for p=74207281. I checked to 6*1012 back...
 Forum: Information & Answers 2022-07-01, 05:11 Replies: 4 Views: 288 Posted By ATH Maybe you should post this question in the sticky... Maybe you should post this question in the sticky "Prime95 30.8 ....." thread in the Software forum, in case this thread is not noticed.
 Forum: Marin's Mersenne-aries 2022-07-01, 00:09 Replies: 823 Views: 144,476 Posted By ATH Was already taken: Higher level ... Was already taken: Higher level DoubleCheck=65351981,75,1 I took the rest.
 Forum: Information & Answers 2022-06-30, 21:39 Replies: 4 Views: 288 Posted By ATH Have you tried increasing CertMaxExponent ? ... Have you tried increasing CertMaxExponent ? Because my PRP CF worker is almost at 13.3M, so the PRP CF wavefront is past your 13218487, and the only CERT needed would be for PRP CF run on any...
 Forum: Software 2022-06-29, 08:38 Replies: 77 Views: 6,392 Posted By ATH If it is when mprime is running 22K exponents,... If it is when mprime is running 22K exponents, then it is because at small exponents (small FFTs) the multithreading is not very efficient, so it is probably not using your entire CPU, unless you run...
 Forum: Marin's Mersenne-aries 2022-06-25, 19:51 Replies: 823 Views: 144,476 Posted By ATH Took: Cat 1 DoubleCheck=61584239,74,1 ... Took: Cat 1 DoubleCheck=61584239,74,1 DoubleCheck=61880477,75,1 DoubleCheck=61939831,75,1 Cat 1 DoubleCheck=61688987,76,1 Cat 2 DoubleCheck=63438541,74,1
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