shango
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March 08, 2014, 10:58:37 AM |
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Not sure why diff stay so high after n-factor kicked in ![Angry](https://bitcointalk.org/Smileys/default/angry.gif) apparently people are still mining
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Nutnut
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 11:04:51 AM |
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Guys - i have dropped the minimum difficulty on the pool down to 16 (may reduce further later) so you should all find it a lot easier to get shares accepted. The historical data on the blocks page is going to be off as it's all calculated based on the OLD high difficulties. I'll be doing a major code update on the pool over the weekend and will clean it all up and make it a better place to be for you guys. ![Wink](https://bitcointalk.org/Smileys/default/wink.gif) Enjoy Nut ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fmrc.nut2pools.com%2Fnut2pools.png&t=665&c=b5ktn0dqwKyrDw)
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shango
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 11:10:49 AM |
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Thanks,
With the new n-factor i was getting an unusual high number of rejects. I will try to force a lower diff on the miner as well.
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Nutnut
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 11:16:20 AM |
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No prob. I think i'll reduce it further later on (maybe 8 or even 4). It's gonna take a while to mine the main network diff down though so expect a few bad rounds... stick with it guys, wherever you are mining, it'll be worth it in the long run! I need to go afk for a couple of ours but i'll be in full on MRC mode when i get back! ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fmrc.nut2pools.com%2Fnut2pools.png&t=665&c=b5ktn0dqwKyrDw)
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kqpahv
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 11:25:50 AM |
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So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?
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kqpahv
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 11:32:24 AM |
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same as ultracoin increase the tc to 16384,others remain the same and everything will be fine
tips appreciated 1JST4RD5pUVDTGbX6hV2ZmURvCY3a6m6Z5
This only gives me roughly 30mhash on I12, vs 80 on I11/thread concurrency 8192 my 280x --Nfmin 4 --Nfmax 30 --StartT 1389028879 --queue 0 --scan-time 2 --expiry 4 --thread-concurrency 16384 -g 2 -I 12 -w 256 -Q 0 -E 10 --lookup-gap 2 150K per 280x,with no hw Are you actually mining MRC with those settings or Ultracoin ? This gives my 150k per card yes but full of HW errors...
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DjNorad
Member
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March 08, 2014, 11:48:45 AM |
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i get app. 130k from my 280x'es
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kqpahv
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 11:57:53 AM |
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i get app. 130k from my 280x'es
Without any HW errors and using I 12 ?
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shango
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 12:05:16 PM |
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So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?
I wonder if there is a bug or we are missing something in the picture, because my expectation was about the same - n-factor rises but difficulty drops.
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halibit
Legendary
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Activity: 1596
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 12:08:49 PM |
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So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?
I wonder if there is a bug or we are missing something in the picture, because my expectation was about the same - n-factor rises but difficulty drops. Difficulty drop because hash drop. It is correct way.
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DjNorad
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March 08, 2014, 12:15:34 PM |
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i get app. 130k from my 280x'es
Without any HW errors and using I 12 ? my settings: ===================== R9 280X 3GB ===================== --scrypt --Nfmin 4 --Nfmax 30 --StartT 1389028879 --gpu-engine 1100 --gpu-memclock 1600 --gpu-powertune 30 --temp-target 90 --queue 0 --scan-time 1 --expiry 10 --no-submit-stale --lookup-gap 2 --thread-concurrency 16384 -I 12 -g 2 -w 256
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DjNorad
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 12:16:51 PM |
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So what sort of difficulty retargeting does MRC use ? Am I getting this right that although the net Hash has dropped 300%+ we are still on pretty much the same difficulty and hence getting 3x fewer coins ?
I wonder if there is a bug or we are missing something in the picture, because my expectation was about the same - n-factor rises but difficulty drops. well, difficulty drops, but very very slowly :-(
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kqpahv
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 12:37:18 PM |
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i get app. 130k from my 280x'es
Without any HW errors and using I 12 ? my settings: ===================== R9 280X 3GB ===================== --scrypt --Nfmin 4 --Nfmax 30 --StartT 1389028879 --gpu-engine 1100 --gpu-memclock 1600 --gpu-powertune 30 --temp-target 90 --queue 0 --scan-time 1 --expiry 10 --no-submit-stale --lookup-gap 2 --thread-concurrency 16384 -I 12 -g 2 -w 256 Ok, I found the problem ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) My test rig is using the latest 14.2 beta drivers which are giving HW errors with those settings. Other rigs with 13.12 give me that 150k yeah ![Wink](https://bitcointalk.org/Smileys/default/wink.gif) Yeah seem like there is a limited diff retarget or smth which is not listed in the specs.
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svennand
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 01:53:11 PM Last edit: March 08, 2014, 02:13:30 PM by svennand |
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i get app. 130k from my 280x'es
Without any HW errors and using I 12 ? my settings: ===================== R9 280X 3GB ===================== --scrypt --Nfmin 4 --Nfmax 30 --StartT 1389028879 --gpu-engine 1100 --gpu-memclock 1600 --gpu-powertune 30 --temp-target 90 --queue 0 --scan-time 1 --expiry 10 --no-submit-stale --lookup-gap 2 --thread-concurrency 16384 -I 12 -g 2 -w 256 Ok, I found the problem ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) My test rig is using the latest 14.2 beta drivers which are giving HW errors with those settings. Other rigs with 13.12 give me that 150k yeah ![Wink](https://bitcointalk.org/Smileys/default/wink.gif) Yeah seem like there is a limited diff retarget or smth which is not listed in the specs. Struggling myself, some rigs works with 150k no hw errors, while others dont. same catalyst driver on all of em (13.12). Edit: Seems i need to mock about with the lookup-gap For those getting hw errors on thread-concurrency 16384 and I12 try to set lookup-gap 3 (that will give at least 120khash on 280X)
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Yahdi
Newbie
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 02:44:10 PM |
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My hashrate down to 7 Kh/s... ![Huh](https://bitcointalk.org/Smileys/default/huh.gif) Oh yeay... Owh My God, give me a lot of Bitcoin to clean those Sell Wall On Mintpal and Poloniex, then they will regret it cause selling this precious coin at cheap price... ![Roll Eyes](https://bitcointalk.org/Smileys/default/rolleyes.gif)
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volkantipi
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 04:58:35 PM |
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Difficulty has changed. Our profit will fall?
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thedude11
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March 08, 2014, 05:09:59 PM Last edit: March 08, 2014, 05:22:35 PM by thedude11 |
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Difficulty has changed. Our profit will fall?
Difficulty drop equals more coins which equals more or equal profit most of the time. Difficulty rise equals less coins. However block reward is slowly decreasing so you'll be getting less coins overtime and less profit but that corresponds to price of coin.
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volkantipi
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 05:38:12 PM |
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Difficulty has changed. Our profit will fall?
Difficulty drop equals more coins which equals more or equal profit most of the time. Difficulty rise equals less coins. However block reward is slowly decreasing so you'll be getting less coins overtime and less profit but that corresponds to price of coin. I was making before changing daily 1.2 million. Current 500,000 seems. Fine?
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lexa
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 05:45:36 PM Last edit: March 08, 2014, 06:39:04 PM by lexa |
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Hi guys, We have lowered vardiff maximum to 16 on mrc.blocksolved.com for your convenience.
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zerxus
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
March 08, 2014, 05:48:40 PM |
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Difficulty has changed. Our profit will fall?
Difficulty drop equals more coins which equals more or equal profit most of the time. Difficulty rise equals less coins. However block reward is slowly decreasing so you'll be getting less coins overtime and less profit but that corresponds to price of coin. I was making before changing daily 1.2 million. Current 500,000 seems. Fine? The question is who's getting the other 0.7 million? Assuming we still have the same number of miners with the same proportions of hashrate.
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