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Forum: Aliquot Sequences 2022-08-13, 04:13
Replies: 162
Views: 53,847
Posted By frmky
I was able to move it to an 8x A100 system for...

I was able to move it to an 8x A100 system for most of the LA. It's done and posted to factordb.

x40YTUWq
Forum: Msieve 2022-08-12, 17:20
Replies: 94
Views: 481
Posted By frmky
That should be just a matter of having all the...

That should be just a matter of having all the appropriate files in the right place including the *.ptx and cub/*.so files, and passing the option "-g 0" to YAFU's LA msieve command.
Forum: NFS@Home 2022-08-12, 01:33
Replies: 104
Views: 6,588
Posted By frmky
Ditto for 1888171_41m1 pdKPxGcc

Ditto for 1888171_41m1

pdKPxGcc
Forum: NFS@Home 2022-08-11, 23:54
Replies: 104
Views: 6,588
Posted By frmky
11p8_550M is factored. W2hu7r0j

11p8_550M is factored.

W2hu7r0j
Forum: Msieve 2022-08-11, 21:49
Replies: 94
Views: 481
Posted By frmky
What version of the CUDA toolkit are you using?...

What version of the CUDA toolkit are you using? If 11.5 or prior, use the msieve-lacuda-nfsathome branch. If 11.6 or later, use the update_cub branch.
Forum: Aliquot Sequences 2022-08-10, 05:27
Replies: 162
Views: 53,847
Posted By frmky
A little more sieving was all it needed. LA is...

A little more sieving was all it needed. LA is running now on four A100 GPUS.
linear algebra completed 514317 of 109926366 dimensions (0.5%, ETA 70h 7m)
Forum: NFS@Home 2022-08-09, 18:17
Replies: 1,930
Views: 185,048
Posted By frmky
Thanks! Should be good now.

Thanks! Should be good now.
Forum: Msieve 2022-08-08, 17:24
Replies: 94
Views: 481
Posted By frmky
Not according to

Not according to
Forum: NFS@Home 2022-08-08, 01:22
Replies: 104
Views: 6,588
Posted By frmky
314__757_19m1 and 2_2862M are done. NXEUj0B8...

314__757_19m1 and 2_2862M are done.

NXEUj0B8

61X96VvA
Forum: Msieve 2022-08-08, 00:05
Replies: 94
Views: 481
Posted By frmky
That would be the line ...

That would be the line
CUDA_TRY(cuModuleLoad(&t->gpu_module, "stage1_core.ptx"))
Make sure you have the files stage1_core.ptx and lanczos_kernel.ptx in the same directory in which you are running...
Forum: Aliquot Sequences 2022-08-07, 19:03
Replies: 162
Views: 53,847
Posted By frmky
I'm not getting a valid matrix. At TD of 110, I'm...

I'm not getting a valid matrix. At TD of 110, I'm getting
Sun Aug 7 13:35:33 2022 matrix is 119071786 x 119071963 (52830.3 MB) with weight 16308582657 (136.96/col)
Sun Aug 7 13:35:33 2022 ...
Forum: Msieve 2022-08-06, 03:02
Replies: 94
Views: 481
Posted By frmky
Did you remember the git checkout update_cub

Did you remember the
git checkout update_cub
Forum: NFS@Home 2022-08-05, 20:15
Replies: 104
Views: 6,588
Posted By frmky
11m3_825M is done. ARD2S29b

11m3_825M is done.

ARD2S29b
Forum: Msieve 2022-08-05, 17:25
Replies: 94
Views: 481
Posted By frmky
Then recompile with make clean make all...

Then recompile with
make clean
make all CUDA=61 VBITS=256
Forum: Msieve 2022-08-05, 01:33
Replies: 94
Views: 481
Posted By frmky
sudo apt install zlib1g zlib1g-dev will resolve...

sudo apt install zlib1g zlib1g-dev
will resolve the error with -lz.

With CUDA 11.6, you might need to use the update_cub branch instead of msieve-lacuda-nfsathome branch. After the git clone, go...
Forum: NFS@Home 2022-08-04, 18:21
Replies: 26
Views: 2,442
Posted By frmky
C250_129_118 is done. RFzEJ2TP

C250_129_118 is done.

RFzEJ2TP
Forum: And now for something completely different 2022-08-02, 20:45
Replies: 49
Views: 10,651
Posted By frmky
To no one's surprise, p(1000007396)...

To no one's surprise, p(1000007396) (http://factordb.com/index.php?id=1100000003830324121) is prime. :smile:
Forum: NFS@Home 2022-07-31, 00:27
Replies: 104
Views: 6,588
Posted By frmky
Eight A100s solved it in just under 3 hours.

Eight A100s solved it in just under 3 hours.
Forum: NFS@Home 2022-07-30, 18:25
Replies: 108
Views: 9,292
Posted By frmky
11p9_254 is done. VBMhLADD

11p9_254 is done.

VBMhLADD
Forum: Lounge 2022-07-30, 18:03
Replies: 296
Views: 45,666
Posted By frmky
Huh? I didn't hear you.

Huh? I didn't hear you.
Forum: Msieve 2022-07-29, 16:50
Replies: 94
Views: 481
Posted By frmky
As I said earlier...

As I said earlier...
Forum: Msieve 2022-07-29, 03:49
Replies: 94
Views: 481
Posted By frmky
Once you have installed the compiler and CUDA...

Once you have installed the compiler and CUDA toolkit...
https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#ubuntu-installation

sudo apt install git libgmp-dev
git clone...
Forum: NFS@Home 2022-07-28, 04:59
Replies: 104
Views: 6,588
Posted By frmky
2_1419m1 is done. tWgmxpJX

2_1419m1 is done.

tWgmxpJX
Forum: Msieve 2022-07-28, 01:22
Replies: 94
Views: 481
Posted By frmky
That's an old version that doesn't contain my...

That's an old version that doesn't contain my work on the GPU LA. I'm not aware of anyone that's compiled a Windows version with my changes.

There's a guide to using CUDA with WSL2 at...
Forum: Msieve 2022-07-27, 19:29
Replies: 10
Views: 267
Posted By frmky
I was just looking at the better scaling of...

I was just looking at the better scaling of msieve's block Lanczos using 3rd gen NVLink. On both current CPU clusters and 2nd gen NVLink connecting V100s, msieve's runtime consistently scales as...
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