Posts by Stefan Ledwina

1) Message boards : BOINC client : Why does BOINC not support ATI RADEON card? (Message 24233)
Posted 11 Apr 2009 by Profile Stefan Ledwina
Post:
I know, it's not about ATI, but... There's not only SETI - GPUGRID has a Linux 64 CUDA app. And the Nvidia CUDA drives for Linux are available since at least one year, when I started with the first Alpha tests on GPUGRID, so please get your "facts" right...
2) Message boards : Projects : News on project outages. (Message 24226)
Posted 11 Apr 2009 by Profile Stefan Ledwina
Post:
News from Gianni (GPUGRID admin)

"Gianni De Fabritiis" wrote:
Hi, happy Easter. In perfect timing, it seems that we had a power cut and the server is down. I am not sure if we can bring it up before Tuesday morning. We will be probably change the deadlines so people will be able to get credits.
gdf
3) Message boards : Projects : Choosing the right project for my machine (Message 23710)
Posted 15 Mar 2009 by Profile Stefan Ledwina
Post:
ROFL Thanks for the laugh dieselfuelonly! ;-)

I'd say with those CPUs a project with an app which needs only very little L2 cache would be fine to get the most out of the machine. But I really have no idea which projects that would be... I only have Xeon DP E5345 and Core 2 Quad PCs right now...

But I think the most important is that you are interested in the project's science. So I'd say just try whatever project seems interesting to you, and you'll see if it works good or not on your computer... ;)


[edited some typos]
4) Message boards : Projects : Choosing the right project for my machine (Message 23704)
Posted 15 Mar 2009 by Profile Stefan Ledwina
Post:
Hmmm... I really don't get it...
Why should one need the anonymous platform to get work for Centos? It's just the same like with Fedora (also derived from RedHat), Ubuntu, SUSE, Mandriva and every other Linux! I also used CentOS for a while and it just reports itself as Linux x86 or Linux x86_64 like every other distro. Why should it be different??
5) Message boards : Projects : News on project outages. (Message 23694)
Posted 15 Mar 2009 by Profile Stefan Ledwina
Post:
Just got an answer from Ben Wandelt. No real news about Cosmo, but at least Anshul is looking into the problem...

"Ben Wandelt" wrote:
Re: Cosmo@home down

Thanks stefan

I am out of town but anshul is looking into it. Probably a consequence of the massive power outage last weekend.

Ben

6) Message boards : Questions and problems : Big difference between projects rewards.... (Message 22598)
Posted 22 Jan 2009 by Profile Stefan Ledwina
Post:
Yea, Milkyway really gives too much credits...
But you can't compare PS3GRID/GPUGRID with them! They make use of the PS3's Cell BE processor and Nvidia GPUs which are faster than a normal CPU, and give credits based on FLOPS counting...
7) Message boards : Questions and problems : Expiration Date (Message 22505)
Posted 18 Jan 2009 by Profile Stefan Ledwina
Post:
Hi fetzer,

this is the BOINC forum. If you have questions about GPUGRID it would be much better to use their forums... ;) -> http://www.gpugrid.net/forum_index.php

If the deadline of the GPUGRID tasks is too short for your card, your GPU is too slow! Please have a look at the GPUGRID FAQ for supported cards -> http://www.gpugrid.net/forum_thread.php?id=316.

No, you can't edit the deadline of a task, it is set by the project, and because GPUGRID/PS3GRID is all about high performance computing, they won't change their deadline. Also because the tasks are buildt upon earlier crunched tasks it is almost impossible for them to set a longer deadline. They need to get the crunched tasks back as soon as possible to generate new tasks...
8) Message boards : Questions and problems : vista 64 no CUDA: seems amd related (Message 22215)
Posted 31 Dec 2008 by Profile Stefan Ledwina
Post:
You could try to
- uninstall BOINC
- open regedit and set the ENABLEPROTECTEDAPPLICATIONEXECUTION key in HKEY_LOCAL_MACHINE/SOFTWARE/Space Sciences Laboratory, U.C. Berkeley/BOINC Setup to 0
- install BOINC again

I also have a ENABLEPROTECTEDAPPLICATIONEXECUTION2 key in my registry, maybe you will also have both because you tried a few of the newer BOINC versions. I'm not sure wich key is used by BOINC 6.4.2, but on my Vista 64 computer both are set to 0.
9) Message boards : Questions and problems : vista 64 no CUDA: seems amd related (Message 22212)
Posted 31 Dec 2008 by Profile Stefan Ledwina
Post:
And you are really sure BOINC isn't installed as a service (protected mode)?
Can you post the fist few (15-20) lines of the messages tab after you started BOINC?

[edit]Nevermind... I just saw the pic you linked... Do you see the line "runing as a daemon" in your messages? Your BOINC is installed as a service!
10) Message boards : The Lounge : BOINC in the News (Message 21894)
Posted 17 Dec 2008 by Profile Stefan Ledwina
Post:
NVIDIA CUDA Technology Dramatically Advances The Pace Of Scientific Research
11) Message boards : Projects : PS3GRID/GPUGRID (Message 21569)
Posted 29 Nov 2008 by Profile Stefan Ledwina
Post:
Don't know if BOINC would run on a Tesla setup, but it should be ale to handle the GPUs. GPUGRID also has a box with four GTX 280...

But from a chat with Gianni, I can say that Tesla cards aren't faster than normal GTX 280´s on GPUGRID, but more expensive. They only have more RAM...
12) Message boards : BOINC Manager : 6.4.1 scheduler miscalc completion when gpugrid present (Message 21498)
Posted 24 Nov 2008 by Profile Stefan Ledwina
Post:
...
I ran into a problem when I got to the gpugrid (and milkway also but for a different reason) as gpugrid shows cpu time and that does not seem applicable. You are correct that the ms/step is better but I also need some type of wall clock time to know how long a wu takes as the cpu time is not indicative of work being done.


Looks like an interesting project you are working on...

Well the GPUGRID application does not only print the ms/step in the stderr.out of the task, but also the approximately elapsed wall clock time, GPU model, number of cores and the shader speed. - Maybe this will be a little help for you?
13) Message boards : BOINC Manager : 6.4.1 scheduler miscalc completion when gpugrid present (Message 21492)
Posted 24 Nov 2008 by Profile Stefan Ledwina
Post:
I set the %cpu utilization to %75 and the completion time was much more accurate but the CUDA task did not run any faster even though it now had a full CPU core to work with (the other %25)


How did you compare if the GPUGRID task was faster or not with CPUs set to 75%?
Have you only compared the CPU time? To see if the task was faster you would have to look at the task itself at the stderr.out. There you can see the speed of the GPU in ms/step.

If you are using Windows, the GPUGRID task should run faster if it gets a full core (depands on the graphics card, but it should be noticeable faster).

On Linux it doesn't matter if the GPUGRID task gets a full core or not, because it needs much less CPU, and the app is also a little bit different...
14) Message boards : Questions and problems : Not detecting CUDA (Message 21442)
Posted 22 Nov 2008 by Profile Stefan Ledwina
Post:
I'm using BOINC v.6.4.1 and newest nVidia driver for my GTX280 1GB card.
When I start BOINC, messages says this:

22.11.2008 11:51:42||Starting BOINC client version 6.4.1 for windows_intelx86
22.11.2008 11:51:42||log flags: task, file_xfer, sched_ops
22.11.2008 11:51:42||Libraries: libcurl/7.19.0 OpenSSL/0.9.8i zlib/1.2.3
22.11.2008 11:51:42||Running as a daemon
22.11.2008 11:51:42||Data directory: C:\ProgramData\BOINC
22.11.2008 11:51:42||Running under account boinc_master
22.11.2008 11:51:43||Processor: 4 GenuineIntel Intel(R) Core(TM)2 Quad CPU @ 2.40GHz [x86 Family 6 Model 15 Stepping 7]
22.11.2008 11:51:43||Processor features: fpu tsc pae nx sse sse2 pni mmx
22.11.2008 11:51:43||OS: Microsoft Windows Vista: Ultimate x86 Editon, Service Pack 1, (06.00.6001.00)
22.11.2008 11:51:43||Memory: 3.50 GB physical, 7.20 GB virtual
22.11.2008 11:51:43||Disk: 465.75 GB total, 373.92 GB free
22.11.2008 11:51:43||Local time is UTC +1 hours
22.11.2008 11:51:43||Not using a proxy
22.11.2008 11:51:43||No CUDA devices found
22.11.2008 11:51:43||No coprocessors
22.11.2008 11:51:43||Version change (6.3.21 -> 6.4.1)

Question is why CUDA is not detected?
Messages like this was in the last version of BOINC (6.3.21) too.
I know it's a test version, but I'll be happy if someone could help me.


I guess the problem is that you installed BOINC as a service (protected mode)?
On Vista it is necessary to not install BOINC as a service, to make it recognize the GPU...
15) Message boards : Questions and problems : BOINCView & v6.3.10 !!! (Message 20191)
Posted 12 Sep 2008 by Profile Stefan Ledwina
Post:
You can try to contact GDF at ps3grid [at] gmail [dot] com.
He's pretty busy and it can take one or two days before you'll get a reply...
16) Message boards : Questions and problems : Stolen Team. (Message 20027)
Posted 7 Sep 2008 by Profile Stefan Ledwina
Post:
It seems the same happend now on PS3GRID/GPUGRID with the UK BOINC Team.
Forum Thread

17) Message boards : Projects : News on Project Outages (Message 19860)
Posted 31 Aug 2008 by Profile Stefan Ledwina
Post:
PS3GRID/GPUGRID

The server is down. I don't know what's wrong, and I am not going to know until Monday morning because the server is not were I can access on Sundays. They were doing electrical works on Monday, maybe they have messed something up.
Hopefully, people will have enough wus till then.

g


18) Message boards : Questions and problems : Boing 6.2.14 on PentiumD WinXP (Message 18972)
Posted 31 Jul 2008 by Profile Stefan Ledwina
Post:

Honestly, on 50%, 1 thread on the physical CPU you probably get better performance. The second core is virtual with risk of lots of disk and memory i/o and less optimal responsiveness when actually using the system.



Well... If it is really a Pentium D it has two physical cores.
The Pentium 4 had HT, the Pentium D not... ;)
19) Message boards : Projects : PS3GRID/GPUGRID (Message 18741)
Posted 22 Jul 2008 by Profile Stefan Ledwina
Post:
Well... ps3grid.net and gpugrid.net aren't the same - look at the upper right corner. On one site you see a PS3 on the other site a graphics card... ;-)

20) Message boards : Projects : PS3GRID/GPUGRID (Message 18735)
Posted 22 Jul 2008 by Profile Stefan Ledwina
Post:
Actually the right link is http://www.gpugrid.net, but if the .org URL also works, it's fine too... ;)


Next 20

Copyright © 2017 University of California. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.