Multiple GPU's in CGMINER | Bitcointalksearch.org

dottee

newbie

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Quote from: thunderstrk on December 11, 2013, 02:32:06 PM

In my post on this thread (which still has 0 replies Sad

) i asked if it would be possible to have 2 folders of cgminer, each with its own conf file. If yes, would each conf file need to specify double parameters ? or just the ones for that GPU. Also..how do you mention which GPU is which if you were to do that ? basically..what's the -d equivalent in conf files ?

Here's a reply to ya.

The equivalent in the conf file SHOULD be "device" : "0" .... however, I'm having troubles myself with getting it up and running.

thunderstrk

newbie

Activity: 19

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In my post on this thread (which still has 0 replies Sad

) i asked if it would be possible to have 2 folders of cgminer, each with its own conf file. If yes, would each conf file need to specify double parameters ? or just the ones for that GPU. Also..how do you mention which GPU is which if you were to do that ? basically..what's the -d equivalent in conf files ?

Damnsammit

sr. member

Activity: 406

Merit: 250

Quote from: thunderstrk on December 11, 2013, 01:23:46 PM

you cannot do all this in one conf file unless both your GPUs require the same number of GPU-THREADS. if your gpus require 2 different numbers of threads then you cant do it in CONF file because the GPu-THREADS parameter only takes 1 argument. can't pass two

Very good point! Forgot that GPU-Threads is a global setting...

thunderstrk

newbie

Activity: 19

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you start 2 instances of cgminer. each with its own settings. check this forum i posted a few questions regarding this. i still have to figure out some things.

Code:

cgminer.exe --scrypt -u user.6850 -p pass -o [Suspicious link removed]:8888 -u user.6850 -p pass -o coinotron.com:3334 --thread-concurrency 6144 -w 256 -v 1 -I 16 -g 1 --temp-target 75 --lookup-gap 2 --auto-fan [b]-d 0[/b]

Code:

cgminer.exe --scrypt -u user.7970 -p pass -o [Suspicious link removed]:8888 -u user.7970 -p pass -o coinotron.com:3334 --thread-concurrency 6144 -w 256 -v 1 -I 16 -g 1 --temp-target 75 --lookup-gap 2 --auto-fan [b]-d 1[/b]

you cannot do all this in one conf file unless both your GPUs require the same number of GPU-THREADS. if your gpus require 2 different numbers of threads then you cant do it in CONF file because the GPu-THREADS parameter only takes 1 argument. can't pass two

Damnsammit

sr. member

Activity: 406

Merit: 250

Quote from: raminnoodle on December 11, 2013, 01:18:08 PM

I know how to apply arguments to my graphic card like changing the -I and shaders all that good stuff but when I get a second card that will need different parameters how do I setup cgminer todo that?

You just put a comma [no spaces] and then add the next variable.

Device 0,1,2,3

So if GPU0 and GPU1 need intensity of 17 and GPU2 needs intensity of 19 while GPU3 uses an intensity of 14, you would change your command to:

-i 17,17,19,14

Hope that helps!

raminnoodle

newbie

Activity: 56

Merit: 0

I know how to apply arguments to my graphic card like changing the -I and shaders all that good stuff but when I get a second card that will need different parameters how do I setup cgminer todo that?

Topic: Multiple GPU's in CGMINER (Read 2496 times)