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Author Topic: which miner support GTX680?  (Read 1594 times)
omo
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April 28, 2012, 02:57:37 AM
 #1

I just bought a giga-gtx680 and want test hash rate for mining.
I tried cgminer, a black screen happended..
I tried ufasoft miner, it just exist.
which miner support gtx680?

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scifimike12
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April 28, 2012, 04:08:48 PM
 #2

There isn't much support for Nvidia cards, especially with the GTX 680.  But a member did compile a small miner to test out:

I have tried to recompile the Ufa-miner and the rpcminer-cuda, but for various reasons it didn't work.
Now I have written a very simple miner using the latest CUDA toolkit, just to see what the speed is like.
Since I have written the kernel from scratch, and the program is not doing longpolling, there's some room for improvement.

If somebody with a GTX680 would like to try it you can download it there:
http://www.sonstiges.org/bitcoin/ICU-Miner.zip
Usage:
Code:
ICU-Miner.exe URL username password devicenumber gridsize blocksize
(devicenumber, gridsize and blocksize are optional)
For example:
Code:
ICU-Miner.exe http://mining.eligius.st:8337/ 1BtVLjUkAzF9wZGHfKzzsPivgNAn4DTp1Q joshua

Here's the ugly source code:
http://www.sonstiges.org/bitcoin/ICU-Miner-source.zip


Unfortunately it didn't do as well as we had hoped.  The most I was able to get out of it was ~94 Mh/s.
oldDirty
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April 28, 2012, 08:27:21 PM
 #3

This is nothing new, the first reviews shows a very poor CL Performance.
http://www.tomshardware.de/geforce-gtx-680-test-benchmarks-Kepler-GK104,testberichte-240979-15.html
The CL Performance is much more lower than the 580.

CrunchingCulture

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omo
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April 30, 2012, 08:34:24 AM
 #4

There isn't much support for Nvidia cards, especially with the GTX 680.  But a member did compile a small miner to test out:

I have tried to recompile the Ufa-miner and the rpcminer-cuda, but for various reasons it didn't work.
Now I have written a very simple miner using the latest CUDA toolkit, just to see what the speed is like.
Since I have written the kernel from scratch, and the program is not doing longpolling, there's some room for improvement.

If somebody with a GTX680 would like to try it you can download it there:
http://www.sonstiges.org/bitcoin/ICU-Miner.zip
Usage:
Code:
ICU-Miner.exe URL username password devicenumber gridsize blocksize
(devicenumber, gridsize and blocksize are optional)
For example:
Code:
ICU-Miner.exe http://mining.eligius.st:8337/ 1BtVLjUkAzF9wZGHfKzzsPivgNAn4DTp1Q joshua

Here's the ugly source code:
http://www.sonstiges.org/bitcoin/ICU-Miner-source.zip



thank you for the information.
I downloaded icu-miner and make it run, I also got ~96MHZ/s, and about 200W power consumption(~90w when idle)

Unfortunately it didn't do as well as we had hoped.  The most I was able to get out of it was ~94 Mh/s.

BTC:1Fu4TNpVPToxxhSXBNSvE9fz6X3dbYgB8q
DrHaribo
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May 04, 2012, 03:49:56 PM
 #5

It should work fine with the BitMinter miner (assuming the Nvidia drivers are ok).

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