Forum: Software
2022-05-02, 10:28
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Replies: 224
Views: 29,604
Maybe all-complex FFT with AVX-512 instruction...
Maybe all-complex FFT with AVX-512 instruction set is faster.
FFT uses complex numbers, if we compute a complex number directly instead of computing the real and imaginary part respectively, we...
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Forum: Information & Answers
2022-04-28, 08:47
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Replies: 4
Views: 382
I've never encountered it until yesterday. When...
I've never encountered it until yesterday. When Gerbitz checking failed, I was frightened. My exponent, M109529873, was 96% done. So I decided to finish it anyway, instead of starting from scratch....
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Forum: PrimeNet
2022-04-26, 02:32
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Replies: 137
Views: 44,192
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Forum: Software
2022-04-24, 12:31
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Replies: 561
Views: 41,262
30.8 uses a larger FFT in stage 2.
...
30.8 uses a larger FFT in stage 2.
That's George's decision. He is so talented, don't put extra pressure on him and he'll give us a surprise!
Maybe it will be 30.9b1, because George said that...
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Forum: GpuOwl
2022-04-23, 04:28
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Replies: 34
Views: 1,959
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Forum: Software
2022-04-20, 00:19
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Replies: 561
Views: 41,262
It's not a bug, instead, that's what P-1 is...
It's not a bug, instead, that's what P-1 is expected to yield.
take M67 for example:
2^67-1=
193707721 (k=2^2*3^3*5*2677)
*761838257287 (k=3^2*29*2551*8539)
So, you know, P-1 will find both...
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Forum: Data
2022-04-18, 03:45
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Replies: 134
Views: 8,290
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Forum: Data
2022-04-16, 02:52
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Replies: 1,401
Views: 174,810
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Forum: Data
2022-04-15, 14:03
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Replies: 1,401
Views: 174,810
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Forum: Data
2022-04-10, 02:42
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Replies: 1,401
Views: 174,810
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Forum: PrimeNet
2022-04-09, 14:57
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Replies: 2,484
Views: 297,660
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Forum: Software
2022-04-09, 02:10
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Replies: 561
Views: 41,262
@George:
Could you allow "Minutes between disk...
@George:
Could you allow "Minutes between disk saves" be adjusted to less than 10?
I have several colab instances which terminate randomly and the time is limited. However, I see no restrictions on...
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Forum: PrimeNet
2022-04-02, 03:50
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Replies: 2,484
Views: 297,660
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Forum: Software
2022-03-30, 23:51
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Replies: 561
Views: 41,262
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Forum: Software
2022-03-30, 13:40
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Replies: 561
Views: 41,262
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Forum: Software
2022-03-30, 00:46
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Replies: 561
Views: 41,262
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Forum: Hardware
2022-03-28, 07:26
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Replies: 70
Views: 9,089
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Forum: Data
2022-03-27, 05:16
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Replies: 3,569
Views: 345,338
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Forum: Data
2022-03-27, 05:04
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Replies: 3,569
Views: 345,338
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Forum: GpuOwl
2022-03-21, 05:19
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Replies: 2,760
Views: 365,667
Try chmod 777 and deleting memlock-0, if not...
Try chmod 777 and deleting memlock-0, if not working, try copying the files to your computer and run on your own GPU. If nothing works, wait for an update of GPUOwl in the hope of addressing the...
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Forum: Software
2022-03-20, 02:32
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Replies: 561
Views: 41,262
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Forum: Software
2022-03-19, 01:06
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Replies: 561
Views: 41,262
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Forum: Lone Mersenne Hunters
2022-03-17, 13:28
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Replies: 2,132
Views: 311,857
M108320761 has a factor:...
M108320761 has a factor: 60009555748293413447823073
(85.633 bits, k= 2^4 × 3^2 × 2531 × 412637 × 1841857, found by V30.8b11 with B1=463000, B2=40465194)
Which cleared 108.3M out.
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Forum: Cloud Computing
2022-03-15, 04:09
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Replies: 1,186
Views: 153,122
gpuowl build failure
I tried to build gpuowl on my colab instance I just created today. I used the script of https://www.mersenneforum.org/showpost.php?p=527930&postcount=7 .
However, there's an error:
...
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Forum: PrimeNet
2022-03-11, 07:35
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Replies: 10
Views: 815
You haven't changed the number on...
You haven't changed the number on https://www.mersenne.org/workload/ .
The number 1.3 is a rough estimate, because most of the exponents are verified by a PRP and a CERT, which need 1.01 tests,...
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