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Author Topic: Claymore's Dual Ethereum AMD+NVIDIA GPU Miner v15.0 (Windows/Linux)  (Read 6583152 times)
melloyellow
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May 20, 2016, 03:49:55 PM
 #2121

I love the new remote monitoring!

Bug reports:

- Even if you define -etha 0 in the config file, it complains for me on startup that I should be specifying -etha 0  (3 x 390s)
- I can't get the monitoring to work on any port other than the default. Have tried several without luck.

Neither have a massive impact, but thought you'd like to know. Thanks for a nice program.


I've been able to get Remote Manager to work on other ports...
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melloyellow
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May 20, 2016, 03:51:06 PM
 #2122

If u find a block, it doesnt mean that for some time your odds are lower. U dont gather up the work to get sometimes paid or have to be 100% online to hit the right moment, the probability of findinga a block is still the same whether u did find one minute ago or not. So devfee does nothing but lowers ur effective hashrate. But of course its hard to believe if u see the hit in "wrong" time with your own eyes.

Other then checking Geth main account balance, or monitoring your wallet address. Any other way to see you found a block? will anything show on the console or a Geth command that may show blocks solves or possible solves?

Set up an account at etherscan, add the addresses you want to monitor and have it email you when the balance changes on your mining address.
malandante
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May 20, 2016, 04:44:12 PM
 #2123


I'm not trying to antagonize anyone or going against dev and his awesome work. I'm using the miner and I'm ok with the fee. I just express my opinions as everybody else.

Of course it takes time to recover after NOT finding a block. The number of blocks that you find with your hashrate is an average, sometimes you hit blocks faster and sometimes slower. The more hashrate, the less variance. That's why slush invented pool mining, to reduce the variance. You get a smaller chunk of the reward but more often. With my 300 mh/s I should find a block every 1.54 days in average. If I miss a block because my rigs are off my chances of finding a block again are exactly the same but remember I will find in average. Time keeps running but blocks don't come, so average decreases. In your opinion it doesn't matter if I hit a block or not? Then try to mine with your rigs off.
 

You should repeat school exams about probability.
If You flip coin on head doesn't mean that in next flip chances to get head are lower. Therefore, if You hit block during devfee period, this doesn't changes probability of hitting blocks the rest of the time. As all other said, chances of hitting solo blocks are lower exactly for the percentage (1-2%) of time mining for dev.

You quote my comment but what you write is not related with what you have quoted. Please read carefully before looking down on my education.

I'll try to explain my point once more: Losing shares in the 1-2% of pooled mining time is no big deal because the abundance of shares evens out. Losing 1-2% in solo mining can be a big deal because of the variance, unless you have a high hashrate that evens out your average. If the difficulty doesn't change at the end it will even out. Perfect. But difficulty is rising always. So probability is not the only thing that matters. Also if you mine solo, you are hashing blocks, and dev is hashing shares in his time. It is not as simple as it looks.
jstefanop
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May 20, 2016, 06:45:24 PM
 #2124

So probability is not the only thing that matters.

Sorry, but your wrong. Probability is all that matters, and regardless what you think or see in the short term does not matter, so your point is not valid. Regardless of whether your solo or pool mining, the def fee wont change hard math. Over time, If you solo mine 100 blocks, 1 block will be missed due to the dev fee on average. If your on the pool your hashrate will be shown 1% less on average.

Project Apollo: A Pod Miner Designed for the Home https://bitcointalk.org/index.php?topic=4974036
FutureBit Moonlander 2 USB Scrypt Stick Miner: https://bitcointalk.org/index.php?topic=2125643.0
LTC:LX5vpxrQE4eLRLPobKwZhw2comkKFCh3p4 - BTC:14w9Lea6kdVzspJk8TQRe7qSYu9LhzJJsh
osnwt
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May 20, 2016, 06:50:29 PM
 #2125

Over time, If you solo mine 100 blocks, 1 block will be missed due to the dev fee on average. If your on the pool your hashrate will be shown 1% less on average.
Yes, and if one has higher hashrate for the remaining 99%, then on the long run one will have more blocks found, say, not 100 but 105. Minus 1.05 lost blocks due to DevFee (1%), and still 103.95 blocks found on average.
chup
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May 20, 2016, 07:30:19 PM
 #2126

You quote my comment but what you write is not related with what you have quoted. Please read carefully before looking down on my education.

I'll try to explain my point once more: Losing shares in the 1-2% of pooled mining time is no big deal because the abundance of shares evens out. Losing 1-2% in solo mining can be a big deal because of the variance, unless you have a high hashrate that evens out your average. If the difficulty doesn't change at the end it will even out. Perfect. But difficulty is rising always. So probability is not the only thing that matters. Also if you mine solo, you are hashing blocks, and dev is hashing shares in his time. It is not as simple as it looks.

You're right, I'm quoting only the last post, because I don't like messages with whole conversation quotes. Yes, it would be more efficient from my side to just add @malandante at the beginning of the post. I was not looking down on Your education, I just asked You to repeat something - repetition is mother of study. The advice was in a way of You gaining something. Knowledge, higher hash rate, more ether... You got it wrong.

navydude
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May 20, 2016, 08:09:07 PM
 #2127

Does --farm-recheck need to be enabled on this or no?


clintar2
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May 20, 2016, 08:16:26 PM
 #2128

Every known stratum version is now supported directly at eth.cncoin.farm. Claymore's miner supported using -esm 0 1 or 2 Smiley. Can I get more people testing to verify it works ok for you?

Note: Pool fee will go to 1% after we hit the next block and it pays out.
elzium
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May 20, 2016, 08:21:54 PM
 #2129

In your opinion it doesn't matter if I hit a block or not? Then try to mine with your rigs off.
Good point, it doesnt matter if ur rig is running during devfee or is turned off, chances to find block for urself stay the same. So u have all 23 hours and 45 minutes a day for ur own mining and rest of the time is not yours. U give it away for a shovel.
peoples
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May 20, 2016, 08:28:21 PM
 #2130

@Claymore

my cards running without fan attached , so i get error

Quote
20:38:35:439    20896780        Failed to get fan speed info
20:38:35:439    20896780        Failed to get fan speed info

which is fine. But it seems that this error breaks the temperature read out. Always get zero temperature.

malandante
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May 20, 2016, 08:42:04 PM
 #2131

So probability is not the only thing that matters.

Sorry, but your wrong. Probability is all that matters, and regardless what you think or see in the short term does not matter, so your point is not valid. Regardless of whether your solo or pool mining, the def fee wont change hard math. Over time, If you solo mine 100 blocks, 1 block will be missed due to the dev fee on average. If your on the pool your hashrate will be shown 1% less on average.

In the theory it is the only thing that matters but I think there are other things to consider aside from theory.

Let's think about a possible scenario: I mine solo with my 300 mh/s and I should hit one block every 1.5 days. If 1.5 days pass and I didn't hit a block, then I can say I missed a block. This can be due to dev time or just to bad luck, let's say it is due to dev time. Then I need to find a block "within time" the next 99, on average. This means that, if everything goes on average, after 150 days my figures will be correct. What if, by chance, I miss 2 blocks due to dev fee? Then I need luckier times or I will go to 300 days to even out.

When the hashrate is so little as mine, it is possible that you need a lot of time for your figures to even out if you had bad luck. And POW is not forever. Is this a correct thought?

If it is not a wrong thought, then there is a hashrate threshold below which it is dangerous to solo mine with CDM because you risk to not even out in case of bad luck. And then for the real mining, not the theory, probability is not only thing to take into account. Please I insist, I am not a math guy, correct me.
Claymore
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May 20, 2016, 08:43:09 PM
 #2132

@Claymore
my cards running without fan attached , so i get error
Quote
20:38:35:439    20896780        Failed to get fan speed info
20:38:35:439    20896780        Failed to get fan speed info
which is fine. But it seems that this error breaks the temperature read out. Always get zero temperature.

It is because miner drops any temp/fan related actions if there is any error because it can cause problems in further calculations, for example, miner must know fan speed if you specified temperature management, or if remote control asked it.
It is possible to implement more complex logic, but currently you are the first person that shows me this error. I'm curious about your hardware and cooling.

Please read Readme and FAQ in the first post of this thread before asking any questions, probably the answer is already there.
List of my miners: https://bitcointalk.org/index.php?topic=3019607
malandante
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May 20, 2016, 08:43:40 PM
 #2133

You quote my comment but what you write is not related with what you have quoted. Please read carefully before looking down on my education.

I'll try to explain my point once more: Losing shares in the 1-2% of pooled mining time is no big deal because the abundance of shares evens out. Losing 1-2% in solo mining can be a big deal because of the variance, unless you have a high hashrate that evens out your average. If the difficulty doesn't change at the end it will even out. Perfect. But difficulty is rising always. So probability is not the only thing that matters. Also if you mine solo, you are hashing blocks, and dev is hashing shares in his time. It is not as simple as it looks.

You're right, I'm quoting only the last post, because I don't like messages with whole conversation quotes. Yes, it would be more efficient from my side to just add @malandante at the beginning of the post. I was not looking down on Your education, I just asked You to repeat something - repetition is mother of study. The advice was in a way of You gaining something. Knowledge, higher hash rate, more ether... You got it wrong.

Thanks for the clarification and sorry for my misunderstanding. Please read the comment to jstefanop's post.

tlmoscow
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May 20, 2016, 08:52:03 PM
 #2134

It is possible to implement more complex logic, but currently you are the first person that shows me this error. I'm curious about your hardware and cooling.
Second is here Cheesy. Same situation, banch of cards without default cooling.
chup
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May 20, 2016, 09:01:05 PM
 #2135


Thanks for the clarification and sorry for my misunderstanding. Please read the comment to jstefanop's post.


You're right about threshold hashrate for solo-mining, with very small hashrate and fast difficulty rise. But wrong that it is affected by CDM for more than devfee time percentage.

navydude
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May 20, 2016, 09:06:49 PM
 #2136

Just wondering can it be more profitable to solo mine. I have been mining on ethermine.org but its a set payout. It doesnt seem like luck is involved at all. Im still rather new to mining but can someone explain. I have about 260mh so im not sure solo would benefit me either.

Claymore
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May 20, 2016, 09:16:04 PM
 #2137

So probability is not the only thing that matters.

Sorry, but your wrong. Probability is all that matters, and regardless what you think or see in the short term does not matter, so your point is not valid. Regardless of whether your solo or pool mining, the def fee wont change hard math. Over time, If you solo mine 100 blocks, 1 block will be missed due to the dev fee on average. If your on the pool your hashrate will be shown 1% less on average.

In the theory it is the only thing that matters but I think there are other things to consider aside from theory.

Let's think about a possible scenario: I mine solo with my 300 mh/s and I should hit one block every 1.5 days. If 1.5 days pass and I didn't hit a block, then I can say I missed a block. This can be due to dev time or just to bad luck, let's say it is due to dev time. Then I need to find a block "within time" the next 99, on average. This means that, if everything goes on average, after 150 days my figures will be correct. What if, by chance, I miss 2 blocks due to dev fee? Then I need luckier times or I will go to 300 days to even out.

When the hashrate is so little as mine, it is possible that you need a lot of time for your figures to even out if you had bad luck. And POW is not forever. Is this a correct thought?

If it is not a wrong thought, then there is a hashrate threshold below which it is dangerous to solo mine with CDM because you risk to not even out in case of bad luck. And then for the real mining, not the theory, probability is not only thing to take into account. Please I insist, I am not a math guy, correct me.

Your point of view is wrong but it seems it's a complex task to prove that to you. I will try one more time.
For example, you mine for one hour with some hashrate. Within this time there is some probability to find a block.
After that, you mine for 59 minutes with the same hashrate. Will you agree that the probability to find a block now is less by 1/60? If you agree, you must also agree that 1% devfee time reduces probabilty to find a block within any time with any hashrate by 1%.
If you don't agree, it means that you think that 1% of time means more than 0.01 of 100% time - I can advice you to read some book about probability theory. Before that, don't even reboot your rig because you will lose all blocks because of missed 1 minute of mining Smiley

Please read Readme and FAQ in the first post of this thread before asking any questions, probably the answer is already there.
List of my miners: https://bitcointalk.org/index.php?topic=3019607
Claymore
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May 20, 2016, 09:21:14 PM
 #2138

It is possible to implement more complex logic, but currently you are the first person that shows me this error. I'm curious about your hardware and cooling.
Second is here Cheesy. Same situation, banch of cards without default cooling.

Ok, I will improve code so you will be able to see temperature if you specified "-tt 1".

Please read Readme and FAQ in the first post of this thread before asking any questions, probably the answer is already there.
List of my miners: https://bitcointalk.org/index.php?topic=3019607
polylogic
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May 20, 2016, 09:40:28 PM
 #2139

first of, great miner, i love it Smiley

ive tried it with shift and expanse but it didnt work Sad maybe you can add it Smiley

today ive run into a problem and im not sure if its app related.
i hope someone here had an idea since google isnt a big help. (ill the search the forums next)

i ran the dual miner for several days on a 5 gpu rig.
no problems.
today i tried to install a 6th GPU, after some minor problems (always check your cable connections twice at least^^)
i managed to get all 6 gpus to show up in my linux terminal.

but when i run ethdcrminer64 it stops right after discovering the pools,
right befor checking the gpus and quits with a german error message
sorry i have no log right now.. i stopped working for today ^^
and by now i forgot the real message xD but it was something "speicher zugriffs fehler, schreibe in datei"
-> memory access failure (writing to file)

ill edit this later with the real error log.


what i didnt do:
i didnt run the env variables:
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
setx CL_DEVICE_MAX_MEM_ALLOC_SIZE 2147483648

maybe max_mem_alloc could have fixxed it.
its too late to try today.
maybe the error is something different and i need some help to figure it out.

rig data:
asrock h61 btc pro
6x r9 380x
8gb ram
usb3 riser
2x 750w quality psu

i also suspect it could have something to do with power..

fyi, asrock h81 btc pro doesnt work with 2 psu (another problem miner argh)
i hope someone has an idea what may cause the trouble and that its only env variables xD, thanks

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osnwt
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May 20, 2016, 10:03:41 PM
 #2140

I have been mining on ethermine.org but its a set payout. It doesnt seem like luck is involved at all.

A pool has huge hashrate comparing to one miner, the law of large numbers works here (https://en.wikipedia.org/wiki/Law_of_large_numbers). That means less variance in a number of shares found by pool. It finds them so many per hour so you don't see any luck. But mining solo, if your hashrate is little, you may find many blocks in a day and them find nothing in a week.

Also, say, DwarfPool uses HBPPS (hour-based pay per share). It gets some Ethers for an hour, then calcluates number of shares submitted in this hour, and distributes Ethers proportionally to shares of each miner. Payment depends on (1) percent of shares submitted by you (based on total shares per hour and your shares) and (2) number of blocks found (and payments for them).

Ethermine uses PPLNS (pay per last N shares). It calculates moving average of your shares in last hour (60 minutes) and uses this average to distribute Ethers from every block. Since it uses average, your payments are instant (calculated after every block, not in the end of an hour), so you see a smooth stream of payments after the 1st block found since you started. Again, it works for large numbers (hashrates), for small ones you will see how the luck is involved.

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