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Author Topic: ATTN Litecoin GPU Miners - Scrypt support for cgminer  (Read 169268 times)
QiVX
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July 20, 2012, 11:35:38 PM
 #121

This thread seems interesting.
Going to sub to this.
Because I need a place to put all my GPUs after ASIC.
It is a common myth that Bitcoin is ruled by a majority of miners. This is not true. Bitcoin miners "vote" on the ordering of transactions, but that's all they do. They can't vote to change the network rules.
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July 20, 2012, 11:41:37 PM
 #122

Thanks. Alas I cannot seem to get anywhere near these values with my 7970s. I remain very very sceptical. I can easily push the values up to those hashrates, but the amount of useful shares drops to 10%.




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July 20, 2012, 11:41:57 PM
 #123

have you tried just using reaper with those setting? and not just its kernel, although it shouldn't make a difference.
Same results.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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The Koolio
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July 20, 2012, 11:42:19 PM
 #124

Im interested in this... with my 5870 cards will i expect any speed jump over reaper?

1. Litecoin 2. Bitcoin 3. Any of the Anon coins
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July 20, 2012, 11:44:46 PM
 #125

Thanks. Alas I cannot seem to get anywhere near these values with my 7970s. I remain very very sceptical. I can easily push the values up to those hashrates, but the amount of useful shares drops to 10%.

I'm going to ask for my bounty back if CGminer doesn't beat this score:
What were your settings?

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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abbeytim
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July 20, 2012, 11:46:02 PM
 #126

not all of us have 7000 series cards so plz test with 5000 and 6000 series cards also can this be released for us to test and can you make it for windows

were not all linux buffs
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July 20, 2012, 11:47:02 PM
 #127


What were your settings?

litecoin.conf:
Code:
worksize 256
aggression 13
threads_per_gpu 5
cpu_mining_threads 0
sharethreads 18
lookup_gap 2
gpu_thread_concurrency 10240

reaper.conf:

Code:
kernel reaper.cl
save_binaries yes
enable_graceful_shutdown yes
long_polling yes

platform 1
device 0

mine litecoin
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July 20, 2012, 11:47:19 PM
 #128

not all of us have 7000 series cards so plz test with 5000 and 6000 series cards also can this be released for us to test and can you make it for windows

were not all linux buffs
Hang on a sec while I pull all that hardware out of my arse....

Oh wait, I don't have any of those in there.

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Pooled mine at kano.is, solo mine at solo.ckpool.org
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July 21, 2012, 12:01:08 AM
 #129

I'm going to ask for my bounty back
Considering the bounty only just got reached and I was generous enough to even start working on it before it was reached, some patience would be appreciated since I never guaranteed it would be available yesterday. If not, you can have you money back, as can everyone else.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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The Koolio
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July 21, 2012, 12:01:55 AM
 #130

I have 13 5870 cards, is there a possibility of getting a copy of cgminer for litecoin to test on my rigs?

1. Litecoin 2. Bitcoin 3. Any of the Anon coins
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July 21, 2012, 12:08:41 AM
 #131

Are you running the cards all on the same rig?  LTC mining is GPU memory bandwidth intensive, if all 4 cards are running at only 1x or 4x or even 8x you'll probably be bottlenecked.

Try using only one GPU in running at 16x.

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
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July 21, 2012, 12:08:59 AM
 #132

yah koolio i agree 7900 cards arent the only ones out there
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July 21, 2012, 12:12:44 AM
 #133

Are you running the cards all on the same rig?  LTC mining is GPU memory bandwidth intensive, if all 4 cards are running at only 1x or 4x or even 8x you'll probably be bottlenecked.

Try using only one GPU in running at 16x.
Indeed it was using quite a bit of memory... investigating further.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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bitlane
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July 21, 2012, 12:15:05 AM
 #134

Perhaps CGMiner reports different than what is expected at the pool ? ...in terms of shares submitted ?

Obviously my hash rates seem OK, but my share count in Reaper is NO where near what CGMiner is able to produce.

As a reference, I am using the same Reaper settings as stated above.
I have a 5 card 7970 rig running with a 1800 Shares + 24 Stales in 1520 seconds of runtime...2.6 MH/s

Con, what does the POOL REPORT you as submitting ? (kh/s ?)

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July 21, 2012, 12:18:10 AM
 #135

Perhaps CGMiner reports different than what is expected at the pool ? ...in terms of shares submitted ?

Obviously my hash rates seem OK, but my share count in Reaper is NO where near what CGMiner is able to produce.

As a reference, I am using the same Reaper settings as stated above.
I have a 5 card 7970 rig running with a 1800 Shares + 24 Stales in 1520 seconds of runtime...2.6 MH/s

Con, what does the POOL REPORT you as submitting ? (kh/s ?)
1800 shares in 1520 seconds of runtime is a utility of 71 shares per minute TOTAL. However, you don't specify where you're mining as the difficulty target will affect that.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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foggyb
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July 21, 2012, 12:18:45 AM
 #136

Are you running the cards all on the same rig?  LTC mining is GPU memory bandwidth intensive, if all 4 cards are running at only 1x or 4x or even 8x you'll probably be bottlenecked.

Try using only one GPU in running at 16x.

In my experience, that isn't a factor. My memory is at default, and I'm cross-fired with 8x PCI-E bandwidth.

Considering the bounty only just got reached and I was generous enough to even start working on it before it was reached, some patience would be appreciated since I never guaranteed it would be available yesterday. If not, you can have you money back, as can everyone else.


Sorry if that came across as confrontational or impatient. I just wanted to point out that reaper is ahead of the game.
bitlane
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July 21, 2012, 12:19:51 AM
 #137

Perhaps CGMiner reports different than what is expected at the pool ? ...in terms of shares submitted ?

Obviously my hash rates seem OK, but my share count in Reaper is NO where near what CGMiner is able to produce.

As a reference, I am using the same Reaper settings as stated above.
I have a 5 card 7970 rig running with a 1800 Shares + 24 Stales in 1520 seconds of runtime...2.6 MH/s

Con, what does the POOL REPORT you as submitting ? (kh/s ?)
1800 shares in 1520 seconds of runtime is a utility of 71 shares per minute TOTAL. However, you don't specify where you're mining as the difficulty target will affect that.

That's exactly what I meant.... your utility rate blew me away.

I am currently mining @ litecoincash.com

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July 21, 2012, 12:21:20 AM
 #138

Perhaps CGMiner reports different than what is expected at the pool ? ...in terms of shares submitted ?

Obviously my hash rates seem OK, but my share count in Reaper is NO where near what CGMiner is able to produce.

As a reference, I am using the same Reaper settings as stated above.
I have a 5 card 7970 rig running with a 1800 Shares + 24 Stales in 1520 seconds of runtime...2.6 MH/s

Con, what does the POOL REPORT you as submitting ? (kh/s ?)
1800 shares in 1520 seconds of runtime is a utility of 71 shares per minute TOTAL. However, you don't specify where you're mining as the difficulty target will affect that.

That's exactly what I meant.... your utility rate blew me away.

I am currently mining @ litecoincash.com

The pool reported almost exactly the same hashrate I was getting locally at 1500 khash.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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bitlane
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July 21, 2012, 12:22:35 AM
 #139

Here is info from the Litecoincash pool thread...

Speeds are now back to something more usual staying a bit higher as we setup 21 target

Test period is over and pool running smotly now, with a BIG luck for now

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July 21, 2012, 12:24:39 AM
 #140

Here is info from the Litecoincash pool thread...

Speeds are now back to something more usual staying a bit higher as we setup 21 target

Test period is over and pool running smotly now, with a BIG luck for now
So 21 * 71 = 1491 shares per minute. 1491 divided by 5 cards is 298 utility. That's almost exactly what I'm getting.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
-ck
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