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Search: Posts Made By: frmky
Forum: Msieve 2022-08-14, 21:41
Replies: 3
Views: 60
Posted By frmky
The drive is only accessed when the cycles and...

The drive is only accessed when the cycles and relations are read at the beginning. That still uses a single thread.
Forum: Msieve 2022-08-14, 20:06
Replies: 3
Views: 60
Posted By frmky
Msieve and OpenMP

I've started looking at transitioning Msieve from pthreads to OpenMP to make it easier for others to work with the source. I don't expect any performance regressions (or gains in already threaded...
Forum: Aliquot Sequences 2022-08-13, 04:13
Replies: 163
Views: 53,962
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: 585
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: 106
Views: 6,695
Posted By frmky
Ditto for 1888171_41m1 pdKPxGcc

Ditto for 1888171_41m1

pdKPxGcc
Forum: NFS@Home 2022-08-11, 23:54
Replies: 106
Views: 6,695
Posted By frmky
11p8_550M is factored. W2hu7r0j

11p8_550M is factored.

W2hu7r0j
Forum: Msieve 2022-08-11, 21:49
Replies: 94
Views: 585
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: 163
Views: 53,962
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: 185,104
Posted By frmky
Thanks! Should be good now.

Thanks! Should be good now.
Forum: Msieve 2022-08-08, 17:24
Replies: 94
Views: 585
Posted By frmky
Not according to

Not according to
Forum: NFS@Home 2022-08-08, 01:22
Replies: 106
Views: 6,695
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: 585
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: 163
Views: 53,962
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: 585
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: 106
Views: 6,695
Posted By frmky
11m3_825M is done. ARD2S29b

11m3_825M is done.

ARD2S29b
Forum: Msieve 2022-08-05, 17:25
Replies: 94
Views: 585
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: 585
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: 2,449
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: 10,661
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: 106
Views: 6,695
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: 110
Views: 9,421
Posted By frmky
11p9_254 is done. VBMhLADD

11p9_254 is done.

VBMhLADD
Forum: Lounge 2022-07-30, 18:03
Replies: 296
Views: 45,702
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: 585
Posted By frmky
As I said earlier...

As I said earlier...
Forum: Msieve 2022-07-29, 03:49
Replies: 94
Views: 585
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: 106
Views: 6,695
Posted By frmky
2_1419m1 is done. tWgmxpJX

2_1419m1 is done.

tWgmxpJX
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