How many instances for 660 ti

svirfnebli · Sep 19, 2012

Just got a new 660 ti... anyone have any experiences as to how many instances I can/should run?

eaglescouter · Sep 19, 2012

I run 2 instances on a GTX570, but trial and error is probably the best answer.

Set it up for 2 or 3 and watch the completion times compared to 1 instance. There is a point at which total times will be greater than they would be for a single instance, that is when you have gone too far.

Be sure to reserve one CPU core for feeding the GPU first.

svirfnebli · Sep 25, 2012

So three seems to be the magic number.. I THINK i set the CPU right.. I have 8 cores, so I set the CPU useage at 87.5% (100% / 8 cores = 12.5%). Does it require a particular core #? Do I need to set that seperately?

Eroc · Sep 29, 2012

I have mine set at 87.5% as well and seems to do fine. I guess I could try it at 75% and use one whole physical core, though, I don't think it is necessary.

This is especially true as I don't even get enough CPU work units to keep my CPU busy.

Stryfe · Oct 14, 2012

How does one run multiple instances on their gpu?

Eroc · Oct 14, 2012

You must edit your app_info.xml file located in your BOINC program directory. There will be a few lines that mention how many gpus to use. Default is value 1. You must change this to 0.5.

Stryfe · Oct 14, 2012

I don't seem to have an app_info.xml. I know I've seen it before as part of the optimized client from lunatics. I had to reinstall Boinc recently though and I couldn't download the optimized client because it seems to have been taken down from the lunatics site. Is there somewhere else I can download it or a template for creating an app_info.xml that will work?

Eroc · Oct 15, 2012

Yeah looks like they have them down for some licensing issues. I wonder if there is another place to find them...?

svirfnebli · Oct 15, 2012

Eroc said:
Yeah looks like they have them down for some licensing issues. I wonder if there is another place to find them...?

Here's the 64 bit optimizer. I dont have the 32 bit so if you need that one you are out of luck

http://108.0.253.70/matthew/Lunatics_Win64_v0.40_setup.rar

Stryfe · Oct 21, 2012

svirfnebli said:
Here's the 64 bit optimizer. I dont have the 32 bit so if you need that one you are out of luck

http://108.0.253.70/matthew/Lunatics_Win64_v0.40_setup.rar

Thanks! I figured someone must have it sitting in their download folder

How many instances for 660 ti

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