Forum: mersenne.ca
2022-05-03, 11:21
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Replies: 917
Views: 120,666
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Forum: GMP-ECM
2022-02-10, 00:47
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Replies: 15
Views: 2,545
I am doing lots of ECM work on small (sub 5k)...
I am doing lots of ECM work on small (sub 5k) candidates.
PC has 64gb ram, if I allow ECM to have say 32gb ram, then when it tries to allocate another 4 gig to take it to more than 16 gig it fails...
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Forum: Lounge
2020-09-26, 23:31
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Replies: 1,691
Views: 194,638
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Forum: Lounge
2020-04-27, 23:37
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Replies: 1,691
Views: 194,638
Or the annual 6 month house arrest?
The...
Or the annual 6 month house arrest?
The general population who seem to have lost the ability to actually think for themselves are all sleep walking into oblivion and being scared like little...
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Forum: Lounge
2020-04-27, 23:35
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Replies: 1,691
Views: 194,638
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Forum: Science & Technology
2020-04-26, 22:53
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Replies: 16
Views: 9,720
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Forum: Lone Mersenne Hunters
2020-01-23, 01:44
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Replies: 2,143
Views: 315,357
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Forum: Hardware
2019-12-25, 00:01
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Replies: 6
Views: 3,438
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Forum: PrimeNet
2019-12-14, 19:19
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Replies: 21
Views: 4,249
mfaktc can't work on an exponent less than...
mfaktc can't work on an exponent less than 100,000
the smallest one on the list is 100,069 which has 30,124 digits so we are nowhere remotely near going past the number of bits in the number...
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Forum: Lone Mersenne Hunters
2019-12-14, 12:31
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Replies: 20
Views: 14,434
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Forum: PrimeNet
2019-12-14, 12:22
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Replies: 21
Views: 4,249
Nobody should be doing TF on a cpu nowadays.
...
Nobody should be doing TF on a cpu nowadays.
There are no prizes for TF work :smile:
Sometimes when I check a result in the result isn't needed as someone has found a factor with ECM, that's...
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Forum: PrimeNet
2019-12-14, 12:20
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Replies: 21
Views: 4,249
Yes, I am running on the sub 1m exponents.
...
Yes, I am running on the sub 1m exponents.
1. If this is true then why does mersenne.ca show 2,515 exponents not yet factored to 66 bits?
2. That would take about 80 mins to do
3. Agreed
4. A...
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Forum: PrimeNet
2019-12-14, 01:30
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Replies: 21
Views: 4,249
So you sometimes get a collision, with a fast...
So you sometimes get a collision, with a fast enough GPU it might mean you sometimes throw away 15-20 minutes of computation.
I'm currently plowing through the sub 1M exponents, in the 200k range...
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Forum: PrimeNet
2019-12-14, 01:27
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Replies: 21
Views: 4,249
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Forum: Hardware
2019-12-14, 01:24
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Replies: 179
Views: 57,267
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Forum: PrimeNet
2019-12-13, 13:12
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Replies: 21
Views: 4,249
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Forum: PrimeNet
2019-12-12, 22:59
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Replies: 21
Views: 4,249
A bit like this page?
...
A bit like this page?
https://www.mersenne.org/report_factoring_effort/?exp_lo=200000000&exp_hi=200099999
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Forum: Data
2019-12-03, 23:34
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Replies: 1,401
Views: 176,929
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Forum: Data
2019-11-21, 22:45
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Replies: 9
Views: 9,035
Too small?
I did one curve at each B1 level...
Too small?
I did one curve at each B1 level (Prime 95), then ran gmp-ecm in verbose mode to time for each B2 going up in powers of 10 until I reached the point where run times were about equal'ish...
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Forum: Data
2019-11-21, 18:26
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Replies: 9
Views: 9,035
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Forum: Data
2019-11-21, 15:49
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Replies: 9
Views: 9,035
Ohh....guess I should give up on M3049...
Ohh....guess I should give up on M3049 now....even though there haven't been all *that* many curves at B1 in range 850M-1B the large number of lower bounds curves give the likelihood of a miss at 65...
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Forum: GMP-ECM
2019-10-22, 22:44
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Replies: 0
Views: 5,586
GMP Memory Allocation Issues
I wrote about this before where gmp-ecm would fail with this
GNU MP: Cannot allocate memory (size=4294959136)
this is on a pc with 64gb ram of which about 36gb is free, gmp-ecm was only using...
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Forum: Lounge
2019-05-10, 00:08
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Replies: 61
Views: 5,095
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Forum: Data
2018-12-17, 17:06
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Replies: 1,401
Views: 176,929
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Forum: News
2018-12-16, 21:00
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Replies: 271
Views: 68,437
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