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Trying to mine LTC: s.t very wrong
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Topic: Trying to mine LTC: s.t very wrong (Read 1456 times)
conspirosphere.tk
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Trying to mine LTC: s.t very wrong
May 06, 2013, 03:52:17 PM
#1
I tried to mine LTC using a rig with a 5870 and two 5830 that always mined fine BTC (and TRC and PPC too).
I tried both with guiminer-scrypt_win32 v0.03 and cgminer v.2.11.3 with stock clocks and volt settings.
My problem is that they report an output around
18 KHs/s per card, which seems 10-20 times less than expected
.
Even the pool (Coinotron) reports the same, and an "Estimated coins/day = 0.106 LTC" (!)
Any idea?
P.S. The string I used is this:
cgminer -o stratum+tcp://coinotron.com:3334 -u NAME -p PASS --scrypt -I 7,9,9 --thread-concurrency 7168,6200,6200 -g 1 -w 256 --auto-fan --temp-target 70 --temp-overheat 75 --auto-gpu --gpu-engine 500-850,500-820,500-820
But even just this gives the same result:
cgminer -o stratum+tcp://coinotron.com:3334 -u NAME -p PASS --scrypt
Singlebyte
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Re: Trying to mine LTC: s.t very wrong
May 06, 2013, 04:43:47 PM
#2
Up intensity to 18 should make a big differenceif the cards can handle it. Try to get intensity high as possible without hardware errors.
Target temps are also a little low but it depends on where you are living and how much you want to push.
conspirosphere.tk
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Re: Trying to mine LTC: s.t very wrong
May 06, 2013, 05:04:10 PM
#3
Thanks. I tried this:
cgminer -o stratum+tcp://coinotron.com:3334 -u USER -p PASS --scrypt -I 16
and now I get 110 KHs on the 5870 and 62 KHs on the 5830 at stock clocks.
But it's still way too low.
But I seem to remember that stratum implies a different difficulty for each miner so hashrates become insignificant, or s.t. like that. Possible?
Singlebyte
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Re: Trying to mine LTC: s.t very wrong
May 06, 2013, 05:53:03 PM
#4
Have you tried the settings other people are using from this page?
https://github.com/litecoin-project/litecoin/wiki/Mining-hardware-comparison
5870 850 MHz 1200 MH cgminer 2.11.4 cgminer --scrypt -o --shaders 1600 --intensity 18 --worksize 256 -g 1 --thread-concurrency 6144
Sophokles
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Re: Trying to mine LTC: s.t very wrong
May 06, 2013, 07:11:43 PM
#5
Quote from: conspirosphere.tk on May 06, 2013, 05:04:10 PM
But I seem to remember that stratum implies a different difficulty for each miner so hashrates become insignificant, or s.t. like that. Possible?
Hashrate is shown correctly when using Stratum on Coinotron, from my experience.
conspirosphere.tk
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Re: Trying to mine LTC: s.t very wrong
May 06, 2013, 07:27:50 PM
Last edit: May 07, 2013, 12:42:09 PM by conspirosphere.tk
#6
Quote from: Sophokles on May 06, 2013, 07:11:43 PM
Hashrate is shown correctly when using Stratum on Coinotron, from my experience.
Then I'm clueless. Maybe is because I am still using the driver 11.12 and SDK from Catalyst 11.6, but I really don't feel like updating them.
Well, I'll mine Terracoins then, until someone gives me a good tip.
[EDIT]: it were the drivers: I updated to 13.10 and now it's all fine
cdog
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Re: Trying to mine LTC: s.t very wrong
May 09, 2013, 12:19:01 AM
#7
Quote from: Sophokles on May 06, 2013, 07:11:43 PM
Quote from: conspirosphere.tk on May 06, 2013, 05:04:10 PM
But I seem to remember that stratum implies a different difficulty for each miner so hashrates become insignificant, or s.t. like that. Possible?
Hashrate is shown correctly when using Stratum on Coinotron, from my experience.
Hashrate shows correctly but they dont tell you about the crazy high # of stales due to giant botnets mining on there slowing the whole thing down...
Thats why you dont get the # of coins per day that you should. But it seems to be fairly DDOS resistant so maybe OK as a backup pool.
crymo
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Re: Trying to mine LTC: s.t very wrong
May 09, 2013, 01:30:58 AM
#8
did u tried using guiminer scrypt ?
Sophokles
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Re: Trying to mine LTC: s.t very wrong
May 09, 2013, 04:54:09 AM
#9
Quote from: cdog on May 09, 2013, 12:19:01 AM
Quote from: Sophokles on May 06, 2013, 07:11:43 PM
Quote from: conspirosphere.tk on May 06, 2013, 05:04:10 PM
But I seem to remember that stratum implies a different difficulty for each miner so hashrates become insignificant, or s.t. like that. Possible?
Hashrate is shown correctly when using Stratum on Coinotron, from my experience.
Hashrate shows correctly but they dont tell you about the crazy high # of stales due to giant botnets mining on there slowing the whole thing down...
Thats why you dont get the # of coins per day that you should. But it seems to be fairly DDOS resistant so maybe OK as a backup pool.
Is that so? cgminer gives you feedback for each share, 'accepted' or 'rejected (stale)'. So the stales show up in the statistic. Usually get around 1% stales with stratum.
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