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Old 2017-07-11, 03:22   #1
kriesel
 
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Default Available software for pursuing mersenne primes

There are several cells in the table with only ? in them. Please reply or PM with any software that could fill in the holes, or suggestions for making the table more useful.
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Old 2017-07-11, 05:10   #2
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Missing Mlucas, LLR, and gpuOwl.

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Old 2017-07-11, 09:55   #3
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Quote:
Originally Posted by Mark Rose View Post
Missing Mlucas, LLR, and gpuOwl.
and gpu-ecm
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Old 2017-07-11, 13:44   #4
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How does GPU-ecm help do anything with mersennes? All Mersennes small enough for GPU-ecm to work are already fully factored.
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Old 2017-07-11, 13:56   #5
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Quote:
Originally Posted by VBCurtis View Post
How does GPU-ecm help do anything with mersennes? All Mersennes small enough for GPU-ecm to work are already fully factored.
My answeer was related to line 5 of the picture on post #1. For completeness.
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Old 2017-07-12, 06:18   #6
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Default table revised, and some questions

Thanks everyone!

URLs, notes, MLucas and a column for non-intel CPUs have added

LLR: Lucas-Lehmer-Riesel? k 2^N+-1? Does this also do Mersennes efficiently? Is LLR different from LLRCuda? Where's it found?
gpuOwl: where would I find this and information on it?
GPU-ecm: where would I find this and information on it?
What became of GLucas?
(Yes I did some web searching for each. I don't want to waste anyone's time. That's also the motivation for making the table.)
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Old 2017-07-12, 10:47   #7
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gpuOwL : https://github.com/preda/gpuowl
discussion about it on mersenneforum: http://www.mersenneforum.org/showthread.php?t=22204
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Old 2017-07-12, 16:06   #8
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I googled "LLR prime" and got a bunch of links to forum threads where the software releases are announced and linked.

GMP-ECM version 7 includes a -gpu flag which uses CUDA for stage 1 of ecm. However, it's limited to 1018 bits, smaller than any unfactored mersenne number; so it's useful for other projects, but not specificially for factoring mersennes.
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Old 2017-07-12, 20:09   #9
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There are a handful more factoring programs like mmff (http://www.doublemersennes.org/download.php), some home brew stuff (user TJAOI might be one, Graff [Gareth] has his own IIRC), etc.
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Old 2017-07-12, 20:14   #10
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Thanks to all for your input. I've added GpuOwL, versions, notes, formatting, and switched to pdf so links can be used more easily.

I'm sorry I wasn't more clear with you at the outset, and part of that is I wasn't entirely clear myself, about this:

My intention was to collect in one place a reference of software available that is usefully fast and capable for factoring or Lucas-Lehmer testing Mersenne numbers, at or somewhat above the current wavefront of GIMPS effort, and organize the software coverage by approach, and computing hardware, for the operating systems of primary interest due to popularity and throughput potential. (Proth or Riesel software, and Crays or iPhones for example I think fall outside the scope. I'm open to new information that may persuade me. I felt I needed to draw a clear boundary, because there's so much variety out there. There's a lot of great, and interesting, software and pages and forums out there, and outside my intended scope.)

My purpose in creating this table is:
It makes maximizing my contribution easier. I've been running Prime95 for decades and my own cpu code before that, but I was new to and unfamiliar with using GPUs
Sharing it may make others' contribution easier also.
It may get more participants ramped up to speed earlier, and so their hardware too.
It may get more total horsepower applied to GIMPS
It may create less distraction for the various skilled coders, site administrators, forum moderators, etc.in the long run.

Pointers to additional mersenne prime hunting software or alerts to version updates of software are welcome, here or by PM.
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Old 2017-07-13, 10:13   #11
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Quote:
Originally Posted by kriesel View Post
Thanks to all for your input. I've added GpuOwL, versions, notes, formatting, and switched to pdf so links can be used more easily.

I'm sorry I wasn't more clear with you at the outset, and part of that is I wasn't entirely clear myself, about this:

My intention was to collect in one place a reference of software available that is usefully fast and capable for factoring or Lucas-Lehmer testing Mersenne numbers, at or somewhat above the current wavefront of GIMPS effort, and organize the software coverage by approach, and computing hardware, for the operating systems of primary interest due to popularity and throughput potential. (Proth or Riesel software, and Crays or iPhones for example I think fall outside the scope. I'm open to new information that may persuade me. I felt I needed to draw a clear boundary, because there's so much variety out there. There's a lot of great, and interesting, software and pages and forums out there, and outside my intended scope.)

My purpose in creating this table is:
It makes maximizing my contribution easier. I've been running Prime95 for decades and my own cpu code before that, but I was new to and unfamiliar with using GPUs
Sharing it may make others' contribution easier also.
It may get more participants ramped up to speed earlier, and so their hardware too.
It may get more total horsepower applied to GIMPS
It may create less distraction for the various skilled coders, site administrators, forum moderators, etc.in the long run.

Pointers to additional mersenne prime hunting software or alerts to version updates of software are welcome, here or by PM.
The actual Mlucas version is 17.0
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