Forum: Software
2021-12-28, 02:45
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Replies: 35
Views: 18,691
Reference / how-to thread for Mfactor
As part of the large reference info (https://mersenneforum.org/showthread.php?t=24607) blog, there is an Mfactor reference thread (https://www.mersenneforum.org/showthread.php?t=26246).
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Forum: Software
2021-09-14, 23:09
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Replies: 35
Views: 18,691
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Forum: Software
2020-11-26, 06:56
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Replies: 35
Views: 18,691
Preceding post's output error occurs in...
Preceding post's output error occurs in results.txt but not console output. Don't know if that's due to Ernst's source or some wayward edit at my location.
Due to typos or batch script editing...
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Forum: Software
2020-11-25, 21:43
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Replies: 35
Views: 18,691
output bug with -mm n input
Searching in the interval k=[0, 16336320]
Each of 16 (p mod 60) passes will consist of 1 intervals of length 272272
Factor with k = 68745. This factor is a probable prime.
M(31) has 1...
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Forum: Software
2020-03-09, 06:14
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Replies: 35
Views: 18,691
index and pass seem to be synonymous.
In #4,...
index and pass seem to be synonymous.
In #4, "renames <filename.tmp> to <filename>, thus overwriting the now-obsolete
version of the latter" may cause some trouble on Windows. IIRC Preda did...
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Forum: Software
2020-03-08, 19:57
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Replies: 35
Views: 18,691
"Poor man's multithreading" and TF_CLASSES
"Poor man's multithreading" is running multiple processes for the same bit level and exponent, with different passmin and passmax. For example, 4-way, to use 4 cores with an msys2 compiled image,...
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Forum: Software
2020-02-19, 23:25
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Replies: 35
Views: 18,691
Help output
Program output for help is$ ./mfactor.exe -h
INFO: testing qfloat routines...
CPU Family = x86_64, OS = Linux, 64-bit Version, compiled with Gnu C [or other compatible], Version 8.2.0.
INFO: CPU...
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Forum: Software
2019-12-09, 08:57
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Replies: 35
Views: 18,691
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Forum: Software
2019-12-08, 23:35
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Replies: 35
Views: 18,691
I also had 50 bit exponent limit and 96 bit...
I also had 50 bit exponent limit and 96 bit factor, in the available software tabulation, and could not figure out where I got it from. I gather from reading a bit of your Mfactor code, that the...
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Forum: Software
2019-12-07, 22:40
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Replies: 35
Views: 18,691
some MFactor past history threads
Thread re Ernst's Mfactor program, primarily if not entirely cpu oriented, begins late 2005:
https://www.mersenneforum.org/showthread.php?t=4939...
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Forum: Software
2019-12-07, 22:24
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Replies: 35
Views: 18,691
test hardware
I have a motley assortment of old gear available for test including plain pentium, Pentium MMX, Pentium II, Pentium III, some old 32-bit laptops, twin systems containing Core2 Duo E8200 (Vista and...
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Forum: Software
2019-12-07, 01:53
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Replies: 35
Views: 18,691
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Forum: Software
2019-12-06, 20:34
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Replies: 35
Views: 18,691
Ernst's Mfactor program
This thread is being started as a place to put public discussion of how to build, use, or improve the Mfactor program whose source is included with the source of Mlucas. I'm imagining this thread...
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