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2014-12-16, 09:07
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#221 | |
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Banned
"Luigi"
Aug 2002
Team Italia
481810 Posts |
Quote:
 Ithougt you were referring to the workaround.Luigi |
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2015-04-12, 15:38
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#222 |
"Mark"
Apr 2003
Between here and the
2·32·353 Posts |
I have posted pfgw 3.7.9 at sourceforge. The only change is to use gwnum v28.6 which fixes a bug with certain AVX FFTs (see the other thread that discusses that issue).
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2015-07-08, 20:26
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#223 |
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"Mark"
Apr 2003
Between here and the
2·32·353 Posts |
I'm working on a change to pfgw so that it uses primesieve instead of the custom sieve that it has been using since 3.5.0. I'm looking for some people to help test the changes. People most notably affected will be those using pfgw for:
And there are others that I have likely missed. If you want to help me test, please send me your e-mail via PM and I'll send you a binary as soon as it is ready. Right now I only have Windows binaries. If those work correctly, I will commit all of my changes and make the appropriate updates to the makefiles for OS X and linux. |
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2015-07-09, 01:36
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#224 | |
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"Mark"
Apr 2003
Between here and the
143228 Posts |
Quote:
I've converted the code over, but it is very slow. The reason is that primesieve uses callback functions, which slow things down dramatically. It's great if you just want to pump out primes in succession, but not so good when you want to access a specific prime or get the "next" or "previous" primes from defined starting point. I will download primegen and do some tests. I the original problem with primegen (missing primes) is fixed, then I might go back to it. I'm getting busy at work so this is low on my things to do. Last fiddled with by rogue on 2015-07-09 at 01:36 |
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2015-07-09, 09:35
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#225 |
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Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
10110111111102 Posts |
I can't help wondering if something like trial division mixed with an algorithm like pollard rho might be effective.
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2015-07-24, 00:24
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#226 |
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"Mark"
Apr 2003
Between here and the
2×32×353 Posts |
I found a bug in the current version of pfgw (3.7.9) in the trivial factoring code. If the smallest factor is above 64000 it could miss it. I have a fix and I've asked someone to test.
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2015-08-03, 16:19
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#227 |
"Adolf"
Nov 2013
South Africa
61 Posts |
Nothing serious, just something I noticed.
I'm running PFGW 3.7.9 with GWNUM 28.6. Saw that if HELP is clicked, it says "Open WinPFGW Version 3.6.5 with ...." |
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2015-08-09, 22:34
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#228 |
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"Mark"
Apr 2003
Between here and the
143228 Posts |
I've posted pfgw 3.710 (Windows only right now, Mac to soon follow). This fixes the trial division error that I reported a couple of weeks ago.
Note that I am considering discontinuing the distribution of 32-bit executables of pfgw. I'll be able to build them. I just appears that almost nobody is using them. |
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2015-08-10, 22:32
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#229 |
Dec 2011
After milion nines:)
101101010112 Posts |
Cosmetic "bug"
PFGW Version 3.7.10.64BIT.20150809.Win_Dev [GWNUM 28.6] it should be GWNUM 28.7? |
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2015-08-11, 00:53
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#230 |
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"Mark"
Apr 2003
Between here and the
2·32·353 Posts |
It is still gwnum v28.6. I did not update gwnum in this release.
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2015-08-14, 23:38
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#231 |
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"Mark"
Apr 2003
Between here and the
2·32·353 Posts |
I discovered that I had the wrong version of gwnum linked with the Mac build. That is updated. I'll get around to updating gwnum in 3.7.11.
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