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Search: Posts Made By: kriesel
Forum: GpuOwl 2021-03-28, 19:26
Replies: 82
Views: 15,801
Posted By kriesel
Thanks. No gpu on that system is connected to a...

Thanks. No gpu on that system is connected to a monitor. Monitor attaches to the motherboard VGA connector. The monitor is rarely used. Usually it's Windows Remote Desktop. (MSTSC.exe) Maybe prime95...
Forum: GpuOwl 2021-03-28, 15:31
Replies: 82
Views: 15,801
Posted By kriesel
...when there's something weird, and it don't look good...

Windows 10 Pro x64, one of n Radeon VII gpus on an Asrock BTC Pro 2.0 motherboard based open frame rig, running gpuowl v7.2-53-ge27846f, P-1 at beginning of PRP run of wavefront exponent.
Stage 1...
Forum: GpuOwl 2021-03-12, 12:57
Replies: 82
Views: 15,801
Posted By kriesel
Samsung bad gpu ram

Thank you for the insight about Samsung vs. Hynix. Samsung correlates highly in my opinion to the various sorts of problems I've recently reported. I ascribe much of the lower frequency of gpu-> host...
Forum: GpuOwl 2021-03-10, 19:26
Replies: 82
Views: 15,801
Posted By kriesel
Read ZERO

Thanks for the response. I'll look at d1 voltage more carefully.
All the gpus in post 75 (https://mersenneforum.org/showpost.php?p=573348&postcount=75) are running stock voltage curves IIRC.
D1,...
Forum: GpuOwl 2021-03-10, 16:38
Replies: 82
Views: 15,801
Posted By kriesel
GPU -> Host read fail resulting in lowered max gpu clock etc.

Seen on a Windows 10 Pro x64 (kept current on OS updates) multigpu system, where the display graphics are handled by the IGP and motherboard vga jack. It's usually accessed by remote desktop also, so...
Forum: GpuOwl 2020-12-14, 21:11
Replies: 82
Views: 15,801
Posted By kriesel
Intel and NVIDIA trading places

Had gpuowl running on the gtx1080 as device 0 in gpuowl v6.11-380-device <N> : select a specific device:
0 : GeForce GTX 1080- not-AMD
1 : Intel(R) HD Graphics- not-AMD
2 : Intel(R)...
Forum: GpuOwl 2020-12-03, 15:17
Replies: 82
Views: 15,801
Posted By kriesel
inexplicably long V7.2-21 iteration timings on continuation of 1257787 prp test from v7.0-40

V7.0-40 used to start the run gives ~200us/it timings.
C:\msys64\home\ken\gpuowl-compile\gpuowl-v7.0-40-gb62d4fd>gpuowl-win -prp 1257787 -iters 10000 -use NO_ASM
2020-12-03 04:36:04 gpuowl...
Forum: GpuOwl 2020-12-03, 10:22
Replies: 82
Views: 15,801
Posted By kriesel
P-1 on same gpu as continuing from v7.1-11 saved file with v7.2-21 gave load errors

Testing continuation of v7.1-11 written PRP file with V7.2-21 gave a burst of errors. This was on Windows 7 x64 Pro, RX480, while a V6.11-380 P-1 was running on the same...
Forum: GpuOwl 2020-10-31, 17:24
Replies: 82
Views: 15,801
Posted By kriesel
P-1 fatal error in V6.11-364 I've not seen before

Not sure how to interpret this, but it sure did stop gpuowl dead.
Windows' handling of the exception would have delayed even chaining by batch script to another instance, until the user takes some...
Forum: GpuOwl 2020-10-31, 14:01
Replies: 82
Views: 15,801
Posted By kriesel
On gpuowl-win v7.0-40-gb62d4fd, Windows 10 Pro...

On gpuowl-win v7.0-40-gb62d4fd, Windows 10 Pro x64, Radeon VII gpu, Celeron G1840 cpu, 16 GB system ram:

worktodo line: B1=1900000,B2=80000000;PRP=(aid),1,2,310347613,-1,80,2

2020-10-31...
Forum: GpuOwl 2020-10-24, 12:18
Replies: 82
Views: 15,801
Posted By kriesel
On gpuowl-win V6.11-364-g36f4e2a, Windows 10 Pro...

On gpuowl-win V6.11-364-g36f4e2a, Windows 10 Pro x64, Radeon VII gpu, Celeron G1840 cpu, 16 GB system ram:
LL 182585281 hit a reproducible jacobi=1 error 2020-09-29 between 151148000 and 151500000,...
Forum: GpuOwl 2020-09-28, 14:09
Replies: 82
Views: 15,801
Posted By kriesel
-maxAlloc is necessary on NVIDIA gpus when...

-maxAlloc is necessary on NVIDIA gpus when running P-1 even with a single instance. Probably a good idea on AMD also. The value following will depend on the number of instances running on the gpu and...
Forum: GpuOwl 2020-09-11, 20:57
Replies: 82
Views: 15,801
Posted By kriesel
Well, it turns out the server is not quite that...

Well, it turns out the server is not quite that discriminating. It accepted a result line generated from v6.11-380 during a retry complete with MD5, gave prp computing credit again, per my results...
Forum: GpuOwl 2020-09-11, 19:26
Replies: 82
Views: 15,801
Posted By kriesel
MD5 value missing from results entry & report

Gpuowl-win v6.11-340-g41d435f on gtx1050Ti and Intel I7-8750H, M139000019 PRP with proof, approx 37 days run with no GEC errors.
2020-09-11 05:57:39 peregine/gtx1050Ti 139000019 OK 138990000 ...
Forum: GpuOwl 2020-09-10, 21:51
Replies: 82
Views: 15,801
Posted By kriesel
gupowl -h generates help output. It includes the...

gupowl -h generates help output. It includes the following
-log <step> : log every <step> iterations. Multiple of 10'000.help output is included in every Windows build .7z file I post, since...
Forum: GpuOwl 2020-09-09, 13:52
Replies: 82
Views: 15,801
Posted By kriesel
https://www.mersenne.ca/exponent/10516021 shows...

https://www.mersenne.ca/exponent/10516021 shows the factor has k=15. That was found so easily that it was probably found very long ago, and it may predate GIMPS and record keeping of trial factoring...
Forum: GpuOwl 2020-09-09, 06:45
Replies: 82
Views: 15,801
Posted By kriesel
That and several other indications were already...

That and several other indications were already covered in post 34.
One I missed was the gpuowl primenet.py documentation part of readme.md.

## Primenet.py Arguments
-h, --help show...
Forum: GpuOwl 2020-09-09, 00:29
Replies: 82
Views: 15,801
Posted By kriesel
I don't see why. It doesn't do Proth, Fermat...

I don't see why. It doesn't do Proth, Fermat numbers, LLR, generalized repunit, TF, ECM, etc. etc. Documentation is for what it does do. Excluding everything else is implied, in standard fashion.
I...
Forum: GpuOwl 2020-09-08, 23:13
Replies: 82
Views: 15,801
Posted By kriesel
Since they all indicate nonzero shift, and gpuowl...

Since they all indicate nonzero shift, and gpuowl does only zero shift, none of them are from gpuowl.
I assume it's some sort of honest mistake. Perhaps he confused prime95's support with gpuowl, or...
Forum: GpuOwl 2020-09-08, 21:58
Replies: 82
Views: 15,801
Posted By kriesel
Mprime/prime95 support PRP-CF. No argument there....

Mprime/prime95 support PRP-CF. No argument there.

Gpuowl DOES NOT support PRP-CF computations. It has never supported the type 5 PRP residues used for PRP-CF....
Forum: GpuOwl 2020-09-08, 21:17
Replies: 82
Views: 15,801
Posted By kriesel
PRP proofs getting certified do not prove a...

PRP proofs getting certified do not prove a completed PRP test is a valid PRP-CF test. Check your gpuowl result lines for your PRP-CF attempts via PRP= worktodo lines with extra ignored parameters...
Forum: GpuOwl 2020-09-08, 17:00
Replies: 82
Views: 15,801
Posted By kriesel
Gpuowl not running PRP-CF which it does not...

Gpuowl not running PRP-CF which it does not support at all, is not an oddity. Especially when the worktodo line says PRP. PRP-CF is not an implemented work type in gpuowl. It's likely that giving it...
Forum: GpuOwl 2020-09-08, 01:42
Replies: 82
Views: 15,801
Posted By kriesel
Improving fallback to lower proof power etc.

This was a power 8 proof PRP run on Radeon 5700XT and Windows 10 that went awry. Aside from the reported checksum error, I see a few additional issues with this run sequence.2020-09-07 11:48:16...
Forum: GpuOwl 2020-09-04, 13:13
Replies: 82
Views: 15,801
Posted By kriesel
Checksum mismatch exception after proof build

2020-09-04 05:21:18 asr2/radeonvii0 63000061 OK 62800000 99.68%; 571 us/it; ETA 0d 00:02; 51ed11fe314283a4 (check 0.36s)
2020-09-04 05:23:12 asr2/radeonvii0 63000061 OK 63000000 100.00%; 570...
Forum: GpuOwl 2020-09-03, 23:39
Replies: 82
Views: 15,801
Posted By kriesel
At better than 1/3 of Radeon VII gpuowl...

At better than 1/3 of Radeon VII gpuowl performance, it ranks fairly high in JVR value per dollar https://www.mersenne.ca/cudalucas.php?sort=jvr
Showing results 1 to 25 of 32

 
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