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Search took 0.28 seconds. Search: Posts Made By: frmky
Forum: Factoring 2021-01-27, 02:42
Replies: 899
Views: 73,455
Posted By frmky
We’re in filter_purge_singletons_core() at...

We’re in filter_purge_singletons_core() at common/filter/singleton.c:441, looping through the relations counting the number of times that each ideal occurs. But the last relation is broken! We’re at...
Forum: Factoring 2021-01-23, 22:13
Replies: 899
Views: 73,455
Posted By frmky
There's definitely an msieve filtering bug. Good...

There's definitely an msieve filtering bug. Good to have a data set that triggers it. Unfortunate that msieve needs to run for 15 hours to trigger it. Let's see what gdb says...

commencing...
Forum: Factoring 2021-01-19, 05:43
Replies: 899
Views: 73,455
Posted By frmky
This is well outside of anything I've run. My...

This is well outside of anything I've run. My largest has been about 1 billion relations. However, if the relations are available online to download I'll be happy to play with it.
Forum: Cunningham Tables 2021-01-11, 19:18
Replies: 128
Views: 28,054
Posted By frmky
p77 factor:...

p77 factor: 51698484182534242168326415160872018219315048723158839864683994806674255960601
p140 factor:...
Forum: GpuOwl 2020-12-13, 21:45
Replies: 195
Views: 12,469
Posted By frmky
P-1 factors seem to always be reported as found...

P-1 factors seem to always be reported as found by stage 1. This leads to confusing reports like https://www.mersenne.ca/exponent/104592713. Can this be fixed easily or is this behavior intentional?
Forum: GMP-ECM 2020-11-23, 20:33
Replies: 10
Views: 1,068
Posted By frmky
Using Tom's code modified for a param 3 sigma. ...

Using Tom's code modified for a param 3 sigma.
FindGroupOrder2 := function (p, s)
K := GF(p);
x := K ! 2;
b := K ! 2^32;
a := K ! 4*s;
A := a/b-2;
b := x^3 + A*x^2 + x;
E...
Forum: GMP-ECM 2020-11-23, 09:19
Replies: 10
Views: 1,068
Posted By frmky
The group order factors as 2^6 * 5 * 7 * 1483 *...

The group order factors as 2^6 * 5 * 7 * 1483 * 1783 * 1913 * 1973 * 88339 * 196379 * 7907150747 so it should always be found with B1=2e5, B2=8e9. Not sure why B2=1e9 works, though.
Forum: GpuOwl 2020-11-22, 01:36
Replies: 195
Views: 12,469
Posted By frmky
Using nVidia OpenCL, I also need to add ...

Using nVidia OpenCL, I also need to add

#include <iomanip>

to Gpu.cpp to get it to compile.
Forum: NFS@Home 2020-11-14, 04:57
Replies: 1,828
Views: 125,827
Posted By frmky
wfm

wfm
Forum: GpuOwl 2020-11-02, 00:50
Replies: 195
Views: 12,469
Posted By frmky
Just tried to update to 7.2 and got the following...

Just tried to update to 7.2 and got the following error
Gpu.cpp:37:15: error: static_assert expression is not an integral constant expression
static_assert(sinl(M_PI) != sin(M_PI));
...
Forum: GpuOwl 2020-11-01, 19:25
Replies: 195
Views: 12,469
Posted By frmky
Can we upgrade in the middle of a PRP run with...

Can we upgrade in the middle of a PRP run with 7.1?
Forum: NFS@Home 2020-10-31, 03:20
Replies: 93
Views: 6,767
Posted By frmky
I requeued it.

I requeued it.
Forum: NFS@Home 2020-10-31, 03:03
Replies: 116
Views: 8,328
Posted By frmky
I canceled the WUs on the server. When they next...

I canceled the WUs on the server. When they next connect to the server, those WUs will be canceled locally.
Forum: Hardware 2020-10-30, 04:23
Replies: 149
Views: 12,117
Posted By frmky
Hijacking the thread, KNL works well enough for...

Hijacking the thread, KNL works well enough for msieve LA if you are careful. Be sure to put one MPI thread on each tile. Sharing threads across tiles REALLY slows it down. And keep everything in...
Forum: GpuOwl 2020-10-18, 19:40
Replies: 195
Views: 12,469
Posted By frmky
Yes, that fixed it. 2020-10-18 12:36:19...

Yes, that fixed it.

2020-10-18 12:36:19 Tesla K20c-0 6972649 P2(1.5M,10M) Setup 1024 P2 buffers in 3.7s
...
2020-10-18 12:38:35 Tesla K20c-0 6972649 GCD: 11352967935560261207067499316137
Forum: GpuOwl 2020-10-18, 08:35
Replies: 195
Views: 12,469
Posted By frmky
Thought I'd try this on an nVidia Telsa K20. I...

Thought I'd try this on an nVidia Telsa K20. I compiled using clang++-9 on Ubuntu 18.04 LTS since g++-8 failed.

Using ./gpuowl -prp 6972649 -b1 1500000 -b2 10000000 -maxAlloc 4.5G
I got...
Forum: FactorDB 2020-10-14, 06:16
Replies: 458
Views: 55,211
Posted By frmky
http://factordb.com/index.php?id=11000000010464687...

http://factordb.com/index.php?id=1100000001046468738 is listed as PRP, but it is composite with the factor 17756960164157539411. When I report the factor, it returns that the factor is already known.
Forum: NFS@Home 2020-10-04, 22:45
Replies: 20
Views: 2,512
Posted By frmky
The script just counts the number of lines. A...

The script just counts the number of lines. A simple
zcat L1510.dat.gz | wc -l
agrees with the webpage. Sometimes the project gets odd garbage in returned files as we use a forgiving validation...
Forum: Factoring 2020-09-16, 06:54
Replies: 6
Views: 1,229
Posted By frmky
SNFS requires two polynomials, a degree-d...

SNFS requires two polynomials, a degree-d polynomial f(x), and a linear polynomial, g(x)=ax-b, which share a common root modulo the number you are factoring. The difficulty is given by the size of...
Forum: PrimeNet 2020-09-11, 04:48
Replies: 2,092
Views: 180,589
Posted By frmky
Done. The extension page now says 236 days but...

Done. The extension page now says 236 days but the workload page still says 3 days. It's for 83877517 and 83878189.
Forum: PrimeNet 2020-09-11, 03:28
Replies: 2,092
Views: 180,589
Posted By frmky
On my assignments page at...

On my assignments page at https://www.mersenne.org/workload/ I have two Manual testing PRP assignments from PRP-DC via gpuOwl that say they are original and current cat 0 and now expire in 3 days. ...
Forum: GpuOwl 2020-09-07, 09:26
Replies: 59
Views: 7,943
Posted By frmky
Yes, that was in fact the problem....

Yes, that was in fact the problem. gpuowl-expanded.cl was in fact empty. I deleted these files and recompiled, and it now works fine. Perhaps a make clean should delete these? Thanks!

And in the...
Forum: GpuOwl 2020-09-07, 09:12
Replies: 59
Views: 7,943
Posted By frmky
Thank you! That works on Ubuntu 18.04. :smile:

Thank you! That works on Ubuntu 18.04. :smile:
Forum: GpuOwl 2020-09-07, 03:57
Replies: 59
Views: 7,943
Posted By frmky
So you did get this to work with nVidia? I tried...

So you did get this to work with nVidia? I tried compiling using g++-8 and clang++-9 on Ubuntu 18.04 and the CUDA 11 OpenCL library, but whenever I run it on a Tesla K20 gpu I get the same error,...
Forum: NFS@Home 2020-09-04, 07:39
Replies: 55
Views: 6,179
Posted By frmky
Done. And badges are implemented. See...

Done. And badges are implemented. See CharityEngine and Gridcoin for example.
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