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[Official] BitCoin LiteCoin DigitalCoin and all Crypto Currencies Club And General Information Thread - Page 128

post #1271 of 22504
Quote:
Originally Posted by bluestang View Post

Tell GDP about them, he'll buy them all at that price biggrin.gif
At $100? That's still more expensive than BTC Guild, and doesn't have warranty either, and BTCG has free shipping!

Btw who's GDP? I feel like an idiot..
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post #1272 of 22504
Quote:
Originally Posted by cam51037 View Post

At $100? That's still more expensive than BTC Guild, and doesn't have warranty either, and BTCG has free shipping!

Btw who's GDP? I feel like an idiot..

The "If you're still mining with a GPU you're doing it wrong" guy.
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post #1273 of 22504
Quote:
Originally Posted by bluestang View Post

The "If you're still mining with a GPU you're doing it wrong" guy.
Oh, him....

rolleyes.gif
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post #1274 of 22504
I guess I'm stuck at 490Kh/s for my 7970. I've tried every combination to raise my hash rate but no luck.

-I 13 -g 2 -w 256 --lookup-gap 2 --shaders 2048 --gpu-threads 1 --thread-concurrency 1024

This combination was interesting - I was pushing 700Kh/s @ 925/1375 but the errors were stacking up pretty quick.....

7950's can't get here fast enough lolz
post #1275 of 22504
Quote:
Originally Posted by ComputerRestore View Post

I guess I'm stuck at 490Kh/s for my 7970. I've tried every combination to raise my hash rate but no luck.

-I 13 -g 2 -w 256 --lookup-gap 2 --shaders 2048 --gpu-threads 1 --thread-concurrency 1024

This combination was interesting - I was pushing 700Kh/s @ 925/1375 but the errors were stacking up pretty quick.....

7950's can't get here fast enough lolz

Here may be your issue.

--thread-concurrency 1024 <--- you want this as high as u can get it...

Then this allows you to Increase the Intensity.
    
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post #1276 of 22504
Thread Starter 
Quote:
Originally Posted by ComputerRestore View Post

I guess I'm stuck at 490Kh/s for my 7970. I've tried every combination to raise my hash rate but no luck.

-I 13 -g 2 -w 256 --lookup-gap 2 --shaders 2048 --gpu-threads 1 --thread-concurrency 1024

This combination was interesting - I was pushing 700Kh/s @ 925/1375 but the errors were stacking up pretty quick.....

7950's can't get here fast enough lolz

Thread concurrency is way too low.

Do this:

-I 13 -g 2 -w 256 --lookup-gap 0 --gpu-threads 2 --thread-concurrency 8192

Try that for litecoin...
post #1277 of 22504
Quote:
Originally Posted by ivanlabrie View Post

Thread concurrency is way too low.

Do this:

-I 13 -g 2 -w 256 --lookup-gap 0 --gpu-threads 2 --thread-concurrency 8192

Try that for litecoin...

Thanks for the info. I will try the lookup-gap 0. I do run a higher thread concurrency, I just thought it was interesting that that combination I posted gave me 700Kh/s but was all HW errors.

Looking through many of the Mining threads of various groups, it looks like XFX Cards are just bad for Litecoin. (and various other Non-Reference Cards as well)

Knowing that I will just settle with my 490Kh/s on this card and have worked on getting the power usage as low as possible.
Edited by ComputerRestore - 7/25/13 at 5:37am
post #1278 of 22504
Quote:
Originally Posted by ComputerRestore View Post

-I 13 -g 2 -w 256 --lookup-gap 2 --shaders 2048 --gpu-threads 1 --thread-concurrency 1024

This combination was interesting - I was pushing 700Kh/s @ 925/1375 but the errors were stacking up pretty quick.....

Don't these two flags mean the same thing? Then you're setting it two different ways, is that causing an issue??
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post #1279 of 22504
Quote:
Originally Posted by ComputerRestore View Post

Thanks for the info. I will try the lookup-gap 0. I do run a higher thread concurrency, I just thought it was interesting that that combination I posted gave me 700Kh/s but was all HW errors.

Looking through many of the Mining threads of various groups, it looks like XFX Cards are just bad for Litecoin. (and various other Non-Reference Cards as well)

Knowing that I will just settle with my 490Kh/s on this card and have worked on getting the power usage as low as possible.


I run these settings on my XFX 7970:

-I 13 --thread-concurrency 8192 -w 256 --lookup-gap 2 --gpu-powertune 20 --gpu-memclock 1750 --gpu-engine 1050 --gpu-fan 85


That gives me 560kH/s

I can break 600 if I push the overclock further, but that's not sustainable. This setting seems like a good compromise.


On a related note, I've been reading some forums on this subject. It is apparently possible to flash the bios in this card, and increase the hashrate to what a 'normal' 7970 should get.
I haven't been able to find enough info on it yet to be willing to give it a try. The trick is that the bios to flash is not an XFX bios. I think it's a Gigabyte bios. If it works it should be able to reach 700+ without breaking a sweat.
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post #1280 of 22504
Anyone here use Coinbase.com to withdraw money (US$) directly to their bank account (US)?
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