Changes are:
1) it better supports cards with little memory
2) setting the environment variable SWAN_SYNC=0, will force use of an entire CPU core to run faster. This is valid in Windows and Linux now.

gdf

What about some SWAN_SYNC=0 details?

Does it pair a single GPU with a single CPU (Thread or Core)?

Does it limit the CPU use to one core on a quad core system with 4 GPUs?

If so this might of course make it slower (for example if each GPU WU would otherwise use 33% CPU).

So, is there a way to use more than one CPU Core when running multiple GPU tasks?

Thanks,

My first v6.07 (on 9800 GTX+) doesn't seem happy.

Repeatedly restarting from zero, several cycles of 'every 4 seconds', then maybe it'll run for 40 seconds. Lots of 'exit 0' in the message log. It'll hit the 100-exit limit soon, so you'll be able to look at std_err.

Edit: Ooooooh, isn't it rude! You got shares in NVidia, or something? (only joking).

# Insufficient memory for fast kernels. Get a better card!
Can't fall-back to non-pairlist kernel: Type=2

My first v6.07 (on 9800 GTX+) doesn't seem happy.

The TONI_GA WUs have been and still are a big problem on most GPUs with the v6.05 app too. Some cards seem to run them, others won't at all. They do seem to run better on Fermi for some reason.

Looks like it's a memory issue with v6.07 though. Nice error message, not:

>> # Insufficient memory for fast kernels. Get a better card!
>> Can't fall-back to non-pairlist kernel: Type=2

Now we have our computers being rude to us :-)

Changes are:
1) it better supports cards with little memory

Seems like the change in v6.07 made the memory issue worse.

Removed for now. We will look at it again on Monday.

gdf

ACEMD2 6.07 tasks are continuously restarting on my EVGA GTS250/512MB, running on WinVista/BOINC 6.10.56. Resetting the project (as per the client's message string) had no effect. I've been running 6.05 without problem. Thanks, guys, for the "upgrade."

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Changes are:
1) it better supports cards with little memory
2) setting the environment variable SWAN_SYNC=0, will force use of an entire CPU core to run faster. This is valid in Windows and Linux now.

gdf

6.08 on linux - 0% CPU usage and low GPU temps. what should I do with SWAN_SYNC=0?

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what should I do with SWAN_SYNC=0?

Create an environment variable called "SWAN_SYNC" and set it to 0 to get maximum GPU utilization. I have no idea how to do this in Linux, though.

MrS

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Scanning for our furry friends since Jan 2002

a quick search found this page ... read the bottom of the page to see how tyo make it "global"

http://lowfatlinux.com/linux-environment-variables.html

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Thanks - Steve

Thx, Steve ;-)

Just I've got:

Fri 28 May 2010 07:08:36 PM EDT	GPUGRID	Sending scheduler request: To fetch work.
Fri 28 May 2010 07:08:36 PM EDT	GPUGRID	Requesting new tasks for CPU
Fri 28 May 2010 07:08:41 PM EDT	GPUGRID	Scheduler request completed: got 0 new tasks
Fri 28 May 2010 07:08:41 PM EDT	GPUGRID	Message from server: No work sent
Fri 28 May 2010 07:08:41 PM EDT	GPUGRID	Message from server: ACEMD beta version is not available for your type of computer.

what's this mean? I just checked preference iether in account either in BOINC manager itself - looks OK for me.

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Looking at the messages, I think BOINC Manager is only asking for CPU tasks (of which there are none) and not asking for GPU tasks. At this point I think you could try detaching and re-attaching to the project. Open BOINC Manager and after clicking on GPUGrid in the Projects tab, click on the Reset Project button. This should clear out your local settings for the project and hopefully BOINC Manager will start asking for the correct type of work again. After doing this please check you messages closely to see if it is asking for GPU tasks. It will still ask for CPU work but that's OK. If that does not work I would suggest doing a Detach, close BOINC Manager completely and then open it again and from the Tools menu attach to this project again.

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Thanks - Steve

Snow Crash, I followed your link & posted a question, but was impatient. I have no idea what I just did, but something happened with BOINC. Could you help to point out if I did something bad?

I opened the terminal & wrote:

sudo /etc/init.d/boinc-client stop

echo $PATH

PATH=$PATH:$HOME/bin

env

export SWAN_SYNC=0

sudo /etc/init.d/boinc-client restart

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I know nothing about linux, I just read the page ...

To list the current values of all environment variables, issue the command

env


does it show SWAN_SYNC ?

do you know if you are using csh or bash as your shell?
Some versions of Linux use a different command shell. Here are the commands for csh and bash shells:

CSH: setenv SWAN_SYNC 0
BASH: export SWAN_SYNC

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Thanks - Steve

It uses BASH, since export worked. SWAN_SYNC=0 is listed under after typing env, but only as long as the terminal isn't closed. If the terminal is closed, SWAN_SYNC=0 disappears, I don't know how to make it stick, I didn't understand the guide, so I just keep the terminal open if I want SWAN_SYNC=0

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guys,
DO NOT INSTALL latest free driver, which comes as update in ubuntu. this is the reason why there were jobs for me. none of known ways works for me as of now.

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I don't know how to make it stick

I found another another guide that explains how to make them stick ...

Important : To make the above changes permanent (that is it should work every time you login) make the changes to the .profile file that exists in your HOME directory. Simply type the required commands one line for each. And there you go. It will be available every time you login. You could check the variables using 'env' command.

I am now going to assume (ahem) that you should log off and then log on to make sure you did it correctly and that when BOINC fires up it will read it in properly.

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Thanks - Steve

I added; export SWAN_SYNC=0 to the .profile file (which is hidden), restarted, opened terminal & wrote env, it's there, it stuck, but does it do anything??? BOINC is still might slow with the 6.08 so does it work???

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I do believe that the problem is with 6.08 app coz 6.04 runs just fine with high GPU load and temps (some kind of indicator for me:-)

The crash I faced with new free drivers was terrible. I tried all ways I know to install driver - no luck.

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You're using Ubuntu 10.04 aren't you? It's different from 9.10 I went back to 9.10 on 2 of my PC's so I could upgrade/downgrade myself. I haven't figured out how to do that on Ubuntu 10.04

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that's pretty much easy:

1. get new driver from http://www.nvidia.com/Download/index5.aspx?lang=en-us
2. sudo gedit /etc/modprobe.d/blacklist.conf and adding:

blacklist vga16fb
blacklist nouveau
blacklist rivafb
blacklist nvidiafb
blacklist rivatv

3. deleting any nvidia driver

sudo apt-get --purge remove nvidia-*

4. restart
5. login/pass

sudo sh /path/to/NVIDIA-Linux-x86_64-195.36.24-pkg2.run

7. sudo service gdm start
or
sudo reboot

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