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Search: Posts Made By: Graff
Forum: Astronomy 2013-11-21, 20:55
Replies: 42
Views: 2,827
Posted By Graff
I missed the initial broadcast, but my wife just...

I missed the initial broadcast, but my wife just called me to let me she'd got a call
from her mother about the show, so she (my wife, not my mother-in-law) recorded
the rebroadcast this afternoon....
Forum: GPU Computing 2013-06-14, 02:23
Replies: 11
Views: 987
Posted By Graff
My other GPU is Quadro 600, which draws ~ 40 W. ...

My other GPU is Quadro 600, which draws ~ 40 W. With the GT570
drawing 220 W and my CPU eating another ~ 95 W, 750 W looks to be
OK.

I ran cudamemtest. System crashed somewhere around test 6...
Forum: GPU Computing 2013-06-03, 21:22
Replies: 11
Views: 987
Posted By Graff
No OC'ing. 750 W PSU. A small GPU in the same...

No OC'ing. 750 W PSU. A small GPU in the same box works fine,
so the problem is unlikely to be with the drivers or CUDA.

Gareth
Forum: GPU Computing 2013-06-03, 16:11
Replies: 11
Views: 987
Posted By Graff
final cudaThreadSynchronize failed

One of my GPU boxes has started spitting out errors when running
the self-test upon startup of mfaktc. Hanging of the system then
follows a few seconds later.

The system is running Ubuntu...
Forum: GPU Computing 2013-03-20, 13:39
Replies: 8
Views: 651
Posted By Graff
From the /var/log/apt/history.log file (split one...

From the /var/log/apt/history.log file (split one per line for easier
reading):

Start-Date: 2013-03-19 18:36:43
Install:
linux-headers-3.2.0-39-generic:amd64 (3.2.0-39.62), ...
Forum: GPU Computing 2013-03-20, 02:01
Replies: 8
Views: 651
Posted By Graff
I reverted both machines back to 3.2.0.38.46. ...

I reverted both machines back to 3.2.0.38.46. One is sort of behaving now:
both GPUs are running. The other is still acting up. I log in and start
opening terminal windows. After a random...
Forum: GPU Computing 2013-03-19, 21:10
Replies: 8
Views: 651
Posted By Graff
System is set to download updates, but...

System is set to download updates, but installation is triggered manually.

As for Unity, I have no idea. It's one of your old machines :-)

A look in /var/log/apt/history.log shows mostly just...
Forum: GPU Computing 2013-03-19, 18:56
Replies: 8
Views: 651
Posted By Graff
Got through one page of the man output and the...

Got through one page of the man output and the system froze.

Gareth
Forum: GPU Computing 2013-03-19, 18:50
Replies: 8
Views: 651
Posted By Graff
Ubuntu colonel update 3.2.0.38.46 to .39.47 issues

Both of my GPU-equipped Ubuntu 12.04-LTS boxes have just been
"upgraded" from kernel 3.2.0.38.46 to 3.2.0.39.47 by the Update Manager.
Following the required restart, the systems can be politely...
Forum: GPU Computing 2013-03-14, 23:44
Replies: 17
Views: 15,246
Posted By Graff
Fixed it. A simple reboot fixed the problem. ...

Fixed it. A simple reboot fixed the problem. The last patch install
was apparently the problem and it did not say that a reboot was
necessary.

Gareth
Forum: GPU Computing 2013-03-14, 11:57
Replies: 17
Views: 15,246
Posted By Graff
After replacing the power supply in one of my...

After replacing the power supply in one of my machines, along with
a replacement GPU, mfaktc ran quite happily on both GPUs. One
process ran out of work, so I repopulated worktodo.txt and tried to...
Forum: GPU to 72 2012-12-31, 20:37
Replies: 4,964
Views: 217,795
Posted By Graff
Is this related in any way to the non-updating of...

Is this related in any way to the non-updating of the table of
LL trial factoring work (/reports/workers/lltf/)? The graphs
appear to be updated, but the table is outdated. And it
doesn't appear...
Forum: GPU Computing 2012-12-27, 21:58
Replies: 17
Views: 15,246
Posted By Graff
Just tried another reboot. This time ran the...

Just tried another reboot. This time ran the nvidia-smi -a command with sudo.
Normal output resulted! Was able to get mfaktc running.
Will now try this on the other machine.

Same thing, no joy...
Forum: GPU Computing 2012-12-27, 21:52
Replies: 17
Views: 15,246
Posted By Graff
Yes, Ubuntu 12.04 LTS. Thanks for that...

Yes, Ubuntu 12.04 LTS.



Thanks for that info, I hope that is the case.

I've just had to restart both of my GPU-equipped machines and upon reboot
mfaktc fails to run on both machines:
...
Forum: Science & Technology 2012-12-24, 04:59
Replies: 2,791
Views: 155,150
Posted By Graff
I'm sure that Dave Tholen computed his own orbit...

I'm sure that Dave Tholen computed his own orbit before submitting the
observations to the Minor Planet Center, but the orbit we published on
MPEC 2012-Y14...
Forum: GPU Computing 2012-12-18, 19:54
Replies: 17
Views: 15,246
Posted By Graff
Thanks. That worked. My GPU is functioning...

Thanks. That worked. My GPU is functioning again. The installed driver
is now 304.64, which is older than the 310.19 I was running earlier. But
I guess that isn't a problem.
I assume I'll need...
Forum: GPU Computing 2012-12-18, 17:54
Replies: 17
Views: 15,246
Posted By Graff
CUDA driver disappeared after patch installation + kernel update

Unbelievable. I had a running CUDA installation on one of my machine
for about two days. Then I installed some patches and a new Linux kernel.
After rebooting, mfatkc didn't run. After digging...
Forum: Lounge 2012-08-31, 18:27
Replies: 57
Views: 3,062
Posted By Graff
I think you're missing my #16 ranking in ECM. ...

I think you're missing my #16 ranking in ECM.

Graff (a.k.a GrunwalderGIMP)
Forum: GPU to 72 2012-06-06, 04:47
Replies: 4,964
Views: 217,795
Posted By Graff
Just requested 56 P-1 exponents (2 CPUs, 28 per...

Just requested 56 P-1 exponents (2 CPUs, 28 per CPU). Downloaded
WORKTODO.TXT file. Worker 1 had 28 exponents, worker 2 only 12.
On the plus side, my count of assigned exponents went up by 40....
Forum: GPU to 72 2012-06-04, 14:55
Replies: 4,964
Views: 217,795
Posted By Graff
More P-1 assignment oddities

Down to 36 P-1 assignments this morning. Go to grab another 80 (# CPUs = 2,
# per CPU = 40). Download the worktodo.txt file, find there are 140 entries
in the file. In addition, the count of my...
Forum: GPU to 72 2012-05-29, 16:31
Replies: 4,964
Views: 217,795
Posted By Graff
Sent via PM. Gareth

Sent via PM.

Gareth
Forum: GPU to 72 2012-05-29, 14:43
Replies: 4,964
Views: 217,795
Posted By Graff
Missing P-1 assignments?

Last night I was down to 27 pending P-1 assignments. So I did my usual
weekly grab of 80 exponents (about a week's work). I only got 70
exponents. So I grabbed another ten. 80 exponents,...
Forum: GPU to 72 2012-02-23, 15:33
Replies: 4,964
Views: 217,795
Posted By Graff
Thanks, the graphs and tables now match. ...

Thanks, the graphs and tables now match.

Gareth
Forum: GPU to 72 2012-02-22, 23:28
Replies: 4,964
Views: 217,795
Posted By Graff
Are the top-n graphs generated dynamically? Or...

Are the top-n graphs generated dynamically? Or are they prepared
at intervals? I ask because the P-1 graphs don't seem to match the
P-1 table.

Gareth
Forum: Lounge 2012-01-11, 20:50
Replies: 42
Views: 2,050
Posted By Graff
In the 1976 IAU System of Astronomical Constants,...

In the 1976 IAU System of Astronomical Constants, the length of the AU
is a derived constant, derived by multiplying one defining constant
(c, the speed of light in a vacuum) by one primary...
Showing results 1 to 25 of 236

 
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