Forum: kriesel
2021-01-13, 23:25
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Replies: 27
Views: 8,472
Performance variables for gpuowl
At least the following, to varying degrees:
The gpu model has a great deal of effect. Radeon VII or RX6x00 preferred for performance/cost ratio. See https://www.mersenne.ca/cudalucas.php
OS...
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Forum: kriesel
2021-01-13, 16:34
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Replies: 14
Views: 4,753
Windows Subsystem for Linux (WSL)
early draft, maybe becomes a whole thread
Requirements:
64-bit hardware supported by Windows
WSL1: Windows 10 x64 v1607 or later per https://www.computerhope.com/issues/ch001879.htm
WSL2:...
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Forum: kriesel
2021-01-03, 19:08
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Replies: 14
Views: 4,753
Donations
To donate to mersenne.org (https://www.mersenne.org/):
https://www.mersenne.org/donate/ via paypal or mail https://www.mersenneforum.org/showpost.php?p=516111&postcount=1...
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Forum: kriesel
2020-12-30, 15:19
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Replies: 1
Views: 140
Installation
The 7120A device is a dual-slot PCIe card requiring up to 300W; 75W from the PCIe socket, 75W from a 6-pin power connector, and 150W from an 8pin power connector. At idle, the 7120A PCIe...
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Forum: kriesel
2020-12-30, 02:55
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Replies: 1
Views: 140
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Forum: kriesel
2020-12-30, 00:16
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Replies: 0
Views: 74
Xeon Phi
This is intended as a reference thread. Do not post here. Post comments at https://www.mersenneforum.org/showthread.php?t=23383 instead. Posts placed here may be moved or deleted without warning or...
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Forum: kriesel
2020-12-24, 21:23
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Replies: 6
Views: 191
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Forum: kriesel
2020-12-24, 18:18
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Replies: 6
Views: 191
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Forum: kriesel
2020-12-24, 18:10
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Replies: 6
Views: 191
Palindromic numbers as exponents
Palindromic numbers (https://en.wikipedia.org/wiki/Palindromic_number) are numbers that are reversible digit by digit without changing value. 110505011 is an example, which as a Mersenne exponent, ...
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Forum: kriesel
2020-12-24, 18:07
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Replies: 6
Views: 191
Repdigits and near-repdigits
Repdigits (https://en.wikipedia.org/wiki/Repdigit) are numbers consisting only of repetition of the same digit value. (Single-digit numbers are excluded by definition.)
For Mersennes' exponents,...
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Forum: kriesel
2020-12-24, 18:00
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Replies: 6
Views: 191
Straights
These are exponents such as 160456789 which also sometimes come up in dubious claims or guesses as exponents of Mersenne primes (https://www.mersenneforum.org/showpost.php?p=548628&postcount=20). In...
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Forum: kriesel
2020-12-24, 17:56
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Replies: 6
Views: 191
Mersenne rhymes
As used here, a rhyme is an exponent that has in common several rightmost digits with another, in the same order. Rhymes in one number base likely will not be rhymes in most others, or only to...
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Forum: kriesel
2020-12-24, 17:51
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Replies: 6
Views: 191
Exponents of particular forms
This thread is intended as a reference thread for Mersenne exponents of special forms. For discussion, please use the reference discussion thread...
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Forum: kriesel
2020-12-16, 17:25
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Replies: 18
Views: 4,757
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Forum: Math
2020-12-16, 16:37
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Replies: 16
Views: 561
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Forum: Cloud Computing
2020-12-16, 16:16
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Replies: 1,122
Views: 74,056
Yes. All GIMPS computation types are possible...
Yes. All GIMPS computation types are possible there on either cpu or gpu. But, latency can be a problem. Expiration can be a problem for wavefront primality first tests or higher. And CUDAPm1 did not...
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Forum: Marin's Mersenne-aries
2020-12-16, 15:16
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Replies: 888
Views: 55,672
Took / registered following, ETA 5 and 10 days...
Took / registered following, ETA 5 and 10 days respectively, assuming 24/7 running:
Cat 2
Doublecheck=56431363,74,1
Doublecheck=56495983,74,1 Also took, registered, following, ETA ~4 days for...
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Forum: Math
2020-12-16, 11:59
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Replies: 16
Views: 561
Quoting was sufficient. Over time, patterns...
Quoting was sufficient. Over time, patterns emerge. There are some on the forum whose contributions are quite commonly cynical or critical and not so commonly constructive or enlightening. The...
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Forum: ONeil
2020-12-16, 09:45
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Replies: 84
Views: 1,559
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Forum: Math
2020-12-15, 21:28
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Replies: 16
Views: 561
Instead of criticizing from the stands, try...
Instead of criticizing from the stands, try entering the arena. "It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done...
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Forum: Lounge
2020-12-15, 14:37
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Replies: 8
Views: 478
The last 25 years has been more fruitful for...
The last 25 years has been more fruitful for Mersenne prime finding, than any other similar length time span in history. There have been centuries with no finds. https://www.mersenne.org/primes/
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Forum: Math
2020-12-15, 01:30
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Replies: 16
Views: 561
E is not just the product of the primes < B1,...
E is not just the product of the primes < B1, it's the product of maximum integral powers of each prime fitting < B1 individually, called powersmooth.
The exponentiation aE*2*p is done mod Mp. So...
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Forum: News
2020-12-15, 00:31
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Replies: 321
Views: 41,010
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Forum: Marin's Mersenne-aries
2020-12-14, 22:42
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Replies: 888
Views: 55,672
Thanks/whew/sorry Dmitry.
Took, and...
Thanks/whew/sorry Dmitry.
Took, and reserved, with ETA ~5 days:
Cat 2
Doublecheck=56380757,74,1
Doublecheck=56500573,74,1 Also, from cat3, reserved
Doublecheck=56605457,74,1...
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Forum: GpuOwl
2020-12-14, 21:11
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Replies: 73
Views: 6,041
Intel and NVIDIA trading places
Had gpuowl running on the gtx1080 as device 0 in gpuowl v6.11-380-device <N> : select a specific device:
0 : GeForce GTX 1080- not-AMD
1 : Intel(R) HD Graphics- not-AMD
2 : Intel(R)...
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