I wrote an app_info.xml for long tasks.

Is there a setting somewhere so that I only download 1 WU at a time. Or can I add a variable to the app_info so it will do that, for instance a very high flops number in the <flops> variable?

Anthony
____________

The longer I live, the more reasons I develop for wanting to die.

I want my GPU's to be fully utilized. If they are that means more work is done.

But the Gianni task for instance only utilizes my GPU for 50%-80%, so 20%-50% of my GTX-570 isn't used. As far as I can tell only Nathan tasks use more than 90% of my GPU. The GTX-570 is dedicated to crunching. I crunch also on my GTX-550TI and my TV is connected to it (I disabled screen output on my GTX-570 with Nvidia's control panel). It also crunches 2 wu's at any given moment, SETI wu's mostly and some MilkyWay wu's (MilkyWay only until I build my 3 GPU's system next week wich will have 2 Nvidia's and an ATI HD6950 especially for MilkyWay as MW wu's crunch faster on ATI's).

While I crunch 2 wu's at a time on my GTX-550TI I don't loose time while one WU finishes and has to reload another. So my crunching time doubles/wu but I do get more work done in the same amount of time.

An example: crunching 2 SETI WU's takes for instance 1 hour/wu for 2 wu's, while crunching 1 might take 32 minutes/wu. So doing 2 at once saves me 4 minutes in this example because my GPU is being 99% utilized all the time. And with those SETI and MilkyWay wu's I can just go watch TV with my TV-card or a movie/dvd without any stutter in my TV or movie/dvd, because I have enough video memory left over on my 1 GB card, and Media Center runs at a higher priority than BOINC tasks.

So I did write the app_info.xml to get my GTX-570 at 99% utilization so I can get more work done. That's how BOINC works. Using 'idle time' to do science work. But with most of the GPUGrid WU's I still have (a lot of) 'idle time' on my GTX-570, even with Nathan wu's but that's only about 6% (so that would be acceptable I guess).

I have app_info.xml's for SETI (comes with the optimized app), MilkyWay and Einstein and I changed all of them to do at least 2 WU's at a time on 1 GPU. 2 months ago I ran 3 at a time, so there was 1 SETI wu with 1 Einstein wu and 1 MilkyWay wu crunching together on my GTX-550TI.

I hope I explained it enough for you why I'm doing this. To get 99% utilization on my GPU's instead of 'idle time'.

Anthony.
____________

The longer I live, the more reasons I develop for wanting to die.

I run a GTX-570, a GTX-550TI and next week also 2 GTX-560TI-448's and an AMD HD6950 (all 3 in 1 system).
____________

The longer I live, the more reasons I develop for wanting to die.

It's not all for GPUGrid. Maybe I'll try to get to 5M on GPUgrid, I want SETI and MilkyWay to get above 1M, maybe Einstein too, And then I'll see what I do.

Last oktober when a started crunching again I had about around 350K total BOINC credits (check my signature pictures for BoincStats and the other for FREE-DC if their site is up again; they're tinyurl links otherwise it wouldn't fit in the signature).

Begin oktober I bought the GTX-550TI and at the end of januari I bought the GTX-570. Both cards are factory OC-ed. So I went up fast since oktober and made a jump since 30-31 januari. If Free-DC is up you can check my milestones for BOINC total and projectwise.

It won't be for long that I can use my new system because I will be committing suicide within 2 or 3 to 5 or 6 weeks, when I receive the medication I ordered to do that. It's been shipped last monday but it might take a while to get here from the other side of the Atlantic. Sorry for bringing this up.

Edit: the Boincstats sig might contain the link for Free-DC, the other link (the team stats) is for my teams homepage. But in BoincStats you can look me up by my username.

Anthony.
____________

The longer I live, the more reasons I develop for wanting to die.

There's an error in the app_info.xml file. When I update GPUGrid I get these messages:

GPUGRID Feb/19/2012 19:25:05 update requested by user
GPUGRID Feb/19/2012 19:25:10 Sending scheduler request: Requested by user.
GPUGRID Feb/19/2012 19:25:10 Not reporting or requesting tasks
GPUGRID Feb/19/2012 19:25:12 Scheduler request completed

It doesn't even request for tasks, while it should as I don't have enough tasks on my system. So what's wrong in the app_info.xml file so that the server doesn't recognize it?

Anthony.
____________

The longer I live, the more reasons I develop for wanting to die.

With help from some guys at the BOINC forum I changed my app_info.xml to this:

I've got the number from the client_state.xml file. I changed it in my own app_info.xml to 512 MB as you suggested. If anyone wants me to post the file with the changed value they can ask.

Remember I didn't test the file yet. So it could still contain errors and not work.

Edit: Your right about the memory on my GTX-550TI, the GTX-570 has 1.25 GB.

Anthony.
____________

The longer I live, the more reasons I develop for wanting to die.

My app_info.xml works. Now I have to do some more testing to be sure utilization is 90%-99%, and test which application can do that best without errors.

Anthony.
____________

The longer I live, the more reasons I develop for wanting to die.

With a Nathan unit I only see MilkyWay take the GPU to 99% utilization, with SETI and Einstein it stays lower. Don't remember the exact figures cause I tested it last night. It's running with a SETI unit now, and in the short moment I checked utilization stays within 77%-90%.
____________

The longer I live, the more reasons I develop for wanting to die.

So the ram amount is how much each GPU card actually has or how much you're willing to allocate? (in the case of multiple identical GPUs...)

If it's how much each GPU has....a GPU with 6144mb then would be written as 6442451000.000000 correct?

I'm thinking of creating an app_info.xml to try on my system with the two Titans as well as the one with the two 590's.

The current long Nathans are showing that they are only utilizing 30-40% on the 590 box.

So I'm thinking of tinkering (which is old school for "optimizing") ;-}

What does the

<type>CUDA</type>
<count>.5</count>

relate to? Is that how many WU you want each GPU to process at a time?

I wonder if anyone has given any thought to an option like Einstein has where you set this preference on the site (the so-called 'Dangerous' BRP option) and your system then just picks it up that way and runs with it. I'm running x3 WUs per GPU in Einstein that way now on the two Titans with no apparent issues and only a slightly longer run time per WU.

Operator
____________

Yes <count>.5</count> means you are telling Boinc your card has 2 GPU's/to run two task on it.

Probably easier to use app_config.xml,
http://boinc.berkeley.edu/wiki/Client_configuration#Application_configuration