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Author Topic: Explain CUDA?  (Read 1135 times)
josh71983
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July 12, 2011, 05:41:57 AM
 #1

Can anyone explain CUDA to me?  From what I gather its just a seperate way of computing data for nvidia cards...but do I need to "activate" it everytime I use it or is it an "install and be lazy" solution?

I'm just a little confused Smiley
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vapourminer
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what is this "brake pedal" you speak of?


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July 12, 2011, 08:37:26 AM
 #2

Can anyone explain CUDA to me?  From what I gather its just a seperate way of computing data for nvidia cards...but do I need to "activate" it everytime I use it or is it an "install and be lazy" solution?


CUDA is nvidias language for talking to its cards when you want the card to crunch data (as opposed to displaying a scene in a video game). basically its a set of rules on how to get data to the card, what to do with it, and how to get it out.

its a "install and forget" deal.
Joric
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July 12, 2011, 03:12:53 PM
 #3

I tried mining on Nvidia 9800GT + rpcminer-cuda on ubuntu 10.04 (25 Mhashes, tops).
There was a whole bunch of problems. Download cuda 3.0 SDK only (newer won't work at all).
After building, copy *.cubin from windows rpcminer distribution.
After all that I may say CUDA doesn't worth it. rpcminer-cuda is much slower (probably 15-20%) than poclbm + OpenCL.
(In case if you didn't know, Nvidia can run OpenCL too.)

1JoricCBkW8C5m7QUZMwoRz9rBCM6ZSy96
Jesse_m
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July 12, 2011, 06:28:56 PM
 #4

When I used openCL on my GTX460, it mined fine at ~60 MH/s, but when ever I stopped mining, it would crash my computer.. I switched to rpcminer-cuda with no performance loss and everything works fine.
Ang3lus
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July 14, 2011, 07:53:42 PM
 #5

When I used openCL on my GTX460, it mined fine at ~60 MH/s, but when ever I stopped mining, it would crash my computer.. I switched to rpcminer-cuda with no performance loss and everything works fine.

On my GT420M CUDA works like a charm Smiley

Take a look at my mod:
http://forum.bitcoin.org/index.php?topic=27907.0

1F3eeYHigivgL4KXSFA3uXzzBztSHu3Z3p
JohnDoeZ
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July 15, 2011, 01:02:58 AM
 #6

u can start by openning forum mining miners sections,
there is cuda compiled software there  Wink
vapourminer
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what is this "brake pedal" you speak of?


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August 03, 2015, 02:39:17 PM
 #7

confirmed CUDA and nvidia are the card of choice. I did folding @ home. my two GTX 285 cards did 100% load for 2 years 24/7.

PROTIP: install after market cooler and make sure cooling your boxen is a priority, the reference card is LOUD at 100%. I put artic cooling acellero extremes on my cards..  three 92 mm fans on each card and they are near silent @ 100% 24/7.
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