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Author Topic: [ANN] cudaMiner & ccMiner CUDA based mining applications [Windows/Linux/MacOSX]  (Read 3426361 times)
Thirtybird
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January 25, 2014, 08:16:28 PM
 #3041

Why is YAC suddenly deemed "dead"?

Everyone has an opinion Smiley  I'm actually buying hardware specifically for YAC at this time.  Beave162 and I have been tweaking and tuning for a few weeks now.  Returns have been good so far - the coin is slightly undervalued right now, so everyone is being advised to hold them Smiley


Difficulty is also dropping as some miners seem to be searching for alternatives. Meaning that you can expect more YAC per day with the same hardware.

Out of curiosity: what hardware did you select for optimal YAC mining? In my opinion, GTX 660Ti cards are pretty solid scrypt-jane miners at a good price/performance point.




My current setup are the R7 250's  with 2GB I've mentioned numerous times previously.  We've found that the R7 240's with 4GB actually outperform them by about 15% even with a lower clockrate and lower numbers of shaders.  This is attributed to the larger memory size allowing for a more aggressive workload.  I don't think we've even found their best performance settings yet as we're still trying various combinations.  ~2 accepted shares per minute per card for $100 vs ~1.7 for the 250's.

YACMiner: https://github.com/Thirtybird/YACMiner  N-Factor information : https://docs.google.com/spreadsheet/ccc?key=0Aj3vcsuY-JFNdC1ITWJrSG9VeWp6QXppbVgxcm0tbGc&usp=drive_web#gid=0
BTC: 183eSsaxG9y6m2ZhrDhHueoKnZWmbm6jfC  YAC: Y4FKiwKKYGQzcqn3M3u6mJoded6ri1UWHa
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cbuchner1 (OP)
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January 25, 2014, 08:29:06 PM
Last edit: January 25, 2014, 09:11:06 PM by cbuchner1
 #3042

> CPR (Copperbars) is in N 13 (enters N14 on Febr 21);

does anyone know the correct Ntimestamp (startT) value for this coin? I would like to include it in cudaminer

The copy and paste methodology for creating crypto coins has led to confusion with the correct
startt parameter for miners.

For several cryptocoins (QQCoin, CacheCoin, Velocitycoin) I find these mining parameters with identical startT,
sometimes even in the official coin announcement threads. This is just sloppy work! Shouldn't this be the
timestamp of the genesis block?

Code:
–Nfmin 4 –Nfmax 30 –StartT 1387769316

EDIT: now I think I found what to look for. In src/main.cpp of every Yacoin clone there should be a line like

Code:
int64 nChainStartTime = 1367991200;

which is the number we're looking for. Can't get any more official than the timestamp embedded in the wallet client.

Christian
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January 25, 2014, 08:30:04 PM
 #3043


And considering the demise in YAC to BTC exchange rates... are there any other profitable scrypt-jane coins that we could mine? If some of you could share some firsthand experience that would be great...
Well not really:
ZcC is in N 13 but it's recovering from a fork for a while now so no exhchanges at the moment (enters N14 on Febr 17);
CPR (Copperbars) is in N 13 as well but I dropped it for some reason, not sure what I didn't like about it... (enters N14 on Febr 21);
APC (Applecoin) has potential, but it's only in N 11. Looking at one of the pools, the average hashrate per worker is around 294 kH/s. My GTX 660 gets 59 kH/s and ~30-40% CPU utilization (with -H 2).
Also, there's a bunch of coins between N 4 and N 7 but those are pretty much hit and miss. (cachecoin, microcoin, internetcoin, qqcoin, velocitycoin, freecoin, etc)
Basically, I'm silently waiting for the Keccak optimization so that I can test the !%+ out of low N coins because I'm starting to dislike YAC a lot and there's no way scrypt is more profitable with low-mid range cards like a GTX 660 (260 scrypt khashes vs 3.4 SJ N14 khashes).

Many thanks to bathrobehero for your information details. I was trying to find information of all scrypt-janes coins too but it is hard to find. And I still don't know how to get the information of the N-factor for each coin itself.

Btw, according to your question Christian and maybe you have interest too bathrobehero. I personally think scrypt-janes development is very important for the future of GPU mining, but right now scrypt mining even with cudaminer is very profitable depends on the coins you mine. In the last 5 days I was able to earn 2BTC with total 5.5Mhs with cudaminer scrypt. That means roughly 0.4BTC per days with merely 5.5Mhs. If you compare with multipool, middlecoin, switchercoin & co, or coinwarz, coinchoose you know what I mean. Smiley

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January 25, 2014, 09:10:13 PM
Last edit: January 25, 2014, 09:43:21 PM by cbuchner1
 #3044

cudaminer now includes Nfactor parameters for:

Yacoin [YAC]
YBCoin [YBC]
FreeCoin [FEC]
OneCoin [ONC]
QQCoin [QQC]
GoldPressedLatinum [GPL]
MicroCoin [MRC]
AppleCoin [APC]
Copperbars [CPR]
CacheCoin [CACH]
MicroCoin [MRC]
VelocityCoin [VEL]
InternetCoin [ITC]
RadioactiveCoin [RAD]

I might still add Pennies and Tickets (LotteryTickets) later. These also use scrypt-jane.

use like this:

--algorithm=scrypt-jane:AppleCoin  or  --algorithm=scrypt-jane:APC

VelocityCoin and QQCoin have the same start time 1387769316 apparently. One party fucked up. Wink

Christian

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January 25, 2014, 09:23:33 PM
 #3045

In the last 5 days I was able to earn 2BTC with total 5.5Mhs with cudaminer scrypt. That means roughly 0.4BTC per days with merely 5.5Mhs. If you compare with multipool, middlecoin, switchercoin & co, or coinwarz, coinchoose you know what I mean. Smiley

erm... I guess you're not planning to share your secret? Wink
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January 25, 2014, 09:30:25 PM
Last edit: January 25, 2014, 09:50:30 PM by cbuchner1
 #3046

My current setup are the R7 250's  with 2GB I've mentioned numerous times previously.  We've found that the R7 240's with 4GB actually outperform them by about 15% even with a lower clockrate and lower numbers of shaders.  This is attributed to the larger memory size allowing for a more aggressive workload.  I don't think we've even found their best performance settings yet as we're still trying various combinations.  ~2 accepted shares per minute per card for $100 vs ~1.7 for the 250's.

The fact that my scrypt-jane kernels use 4 threads per hash is actually the key for the decent performance of nVidia cards. It allows me to get 4 times the occupancy of the shader hardware, given the tight memory constraints. This... and the lookup_gap implementation I recently added.

In contrast, the currently fastest scrypt (non-jane) kernels run 1 thread per hash: There is no overhead for inter-thread communication and shader occupancy is not an issue considering the 128kb requirement per hash.

Because you are working on the AMD miner code, I think this information might be useful to you.

Christian


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January 25, 2014, 09:32:40 PM
 #3047

In the last 5 days I was able to earn 2BTC with total 5.5Mhs with cudaminer scrypt. That means roughly 0.4BTC per days with merely 5.5Mhs. If you compare with multipool, middlecoin, switchercoin & co, or coinwarz, coinchoose you know what I mean. Smiley

erm... I guess you're not planning to share your secret? Wink

Yeah, I'll take 0.04BTC/day with my 550khash/s Wink

BTC donations: 18fw6ZjYkN7xNxfVWbsRmBvD6jBAChRQVn (thanks!)
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January 25, 2014, 09:37:06 PM
 #3048

In the last 5 days I was able to earn 2BTC with total 5.5Mhs with cudaminer scrypt. That means roughly 0.4BTC per days with merely 5.5Mhs. If you compare with multipool, middlecoin, switchercoin & co, or coinwarz, coinchoose you know what I mean. Smiley

erm... I guess you're not planning to share your secret? Wink


Maybe with everybody but not with you, Christian, lol. Because without you I'm not able to get it Cheesy

It is easier than people think. My strategy is just simple. Mine potential coins when the diff still low and wait a few days when they are listed in exchange. The exchange is the most important part. If the exchange is big (like cryptsy), you need to dump your coin almost immediately, never wait more than 1 day to dump it. If the exchange is smaller you can wait a little bit to see how the market develops.
My strategy doesn't work everytime of course. There was time you earn almost like multipool & co (that means 10$/day/Mhs) or even lower but in general you should earn more. In my case average earning of mine is double as multipool & co. Of course I could earn more if i want a little more risk, but with that earning is it enough for me. Not to much stress and very fun for newbie in crypto like me.
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January 25, 2014, 09:39:35 PM
 #3049

Maybe with everybody but not with you, Christian, lol. Because without you I'm not able to get it Cheesy

It is easier than people think. My strategy is just simple. Mine potential coins when the diff still low and wait a few days when they are listed in exchange. The exchange is the most important part. If the exchange is big (like cryptsy), you need to dump your coin almost immediately, never wait more than 1 day to dump it. If the exchange is smaller you can wait a little bit to see how the market develops.
My strategy doesn't work everytime of course. There was time you earn almost like multipool & co (that means 10$/day/Mhs) or even lower but in general you should earn more. In my case average earning of mine is double as multipool & co. Of course I could earn more if i want a little more risk, but with that earning is it enough for me. Not to much stress and very fun for newbie in crypto like me.
Ewwww, effort  Tongue

BTC donations: 18fw6ZjYkN7xNxfVWbsRmBvD6jBAChRQVn (thanks!)
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January 25, 2014, 09:49:28 PM
 #3050

Maybe with everybody but not with you, Christian, lol. Because without you I'm not able to get it Cheesy

It is easier than people think. My strategy is just simple. Mine potential coins when the diff still low and wait a few days when they are listed in exchange. The exchange is the most important part. If the exchange is big (like cryptsy), you need to dump your coin almost immediately, never wait more than 1 day to dump it. If the exchange is smaller you can wait a little bit to see how the market develops.
My strategy doesn't work everytime of course. There was time you earn almost like multipool & co (that means 10$/day/Mhs) or even lower but in general you should earn more. In my case average earning of mine is double as multipool & co. Of course I could earn more if i want a little more risk, but with that earning is it enough for me. Not to much stress and very fun for newbie in crypto like me.
Ewwww, effort  Tongue

It is not hard to write a bash script to detect the diff change from the coin daemon and then point your miner to it. Thought with cudaminer you need to kill cudaminer completely and start it again, which I don't like it and it is not good for the hardware. Two of my cheap PSU died because of suddenly change in power consumption. I would like to have the ability to switch the coin in cudaminer like cgminer API but it is not the main focus right now of Christian, I guess.
Case study for my strategy:
I mined 400k Digibyte for the first day and 200k USDe for next two days. 400k DGB is now 1.2BTC and 200k USDe = 1BTC. And I sold my 400k DGB for 0.8BTC and 200k USDe for 0.5BTC a few days ago. But still I'm ok with what I earned for 3 days with my lame hash Smiley))
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January 25, 2014, 09:52:43 PM
 #3051


I mined 400k Digibyte for the first day and 200k USDe for next two days. 400k DGB is now 1.2BTC and 200k USDe = 1BTC. And I sold my 400k DGB for 0.8BTC and 200k USDe for 0.5BTC a few days ago. But still I'm ok with what I earned for 3 days with my lame hash Smiley))

Do you always download the wallet source code and compile for yourself or do you get .exe files from the coin authors? I would be a bit worried about malware, always grabbing the latest coin executables. Maybe running the different wallets in separate virtual machines would be advisable.
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January 25, 2014, 10:02:53 PM
 #3052

Sooo its been a while. 8 days with my pc in bits after a pump failure :-( we still mining yacoin? It doesnt seem to be worth anything and im massively out of touch with the cudaminer mining trend right now

Owner of: cudamining.co.uk
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January 25, 2014, 10:27:02 PM
 #3053

Sooo its been a while. 8 days with my pc in bits after a pump failure :-( we still mining yacoin? It doesnt seem to be worth anything and im massively out of touch with the cudaminer mining trend right now

seems like everyone is setting his/her own trends now.
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January 25, 2014, 10:27:39 PM
 #3054


I mined 400k Digibyte for the first day and 200k USDe for next two days. 400k DGB is now 1.2BTC and 200k USDe = 1BTC. And I sold my 400k DGB for 0.8BTC and 200k USDe for 0.5BTC a few days ago. But still I'm ok with what I earned for 3 days with my lame hash Smiley))

Do you always download the wallet source code and compile for yourself or do you get .exe files from the coin authors? I would be a bit worried about malware, always grabbing the latest coin executables. Maybe running the different wallets in separate virtual machines would be advisable.


I never use Windows so the only way for me to grab the coin client is through source code. It is sometimes big headache to compile when the dev don't use *nix but somehow I could figure it out. And I assume it is still easier than Windows, I just don't know how to start with windows. Wink

If you use Windows Christian, I think you should always encrypt your wallet first.
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January 25, 2014, 10:28:45 PM
 #3055

Damn. What you still mining christian?
Pm me if its a secret ;-)

Owner of: cudamining.co.uk
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January 25, 2014, 10:33:01 PM
 #3056

The fact that my scrypt-jane kernels use 4 threads per hash is actually the key for the decent performance of nVidia cards. It allows me to get 4 times the occupancy of the shader hardware, given the tight memory constraints. This... and the lookup_gap implementation I recently added.

In contrast, the currently fastest scrypt (non-jane) kernels run 1 thread per hash: There is no overhead for inter-thread communication and shader occupancy is not an issue considering the 128kb requirement per hash.

Because you are working on the AMD miner code, I think this information might be useful to you.

Christian

Interesting to know this.  Those options are available as command line options already, and I've done a lot of testing with different numbers of threads and lookup gap, and the extra threads don't really add to the performance on the AMD cards when doing scrypt-chacha at high N-factors.  In fact, sometimes only allocating one thread with twice the buffer size and running at a higher intensity yields better results because there are fewer in-memory collisions.  If I were running a higher-end AMD with a high shader count, and the memory to go with it, that might absolutely be the way to go.  The R7 250 is only 384 shaders, and the 240 is only 320.

YACMiner: https://github.com/Thirtybird/YACMiner  N-Factor information : https://docs.google.com/spreadsheet/ccc?key=0Aj3vcsuY-JFNdC1ITWJrSG9VeWp6QXppbVgxcm0tbGc&usp=drive_web#gid=0
BTC: 183eSsaxG9y6m2ZhrDhHueoKnZWmbm6jfC  YAC: Y4FKiwKKYGQzcqn3M3u6mJoded6ri1UWHa
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January 25, 2014, 10:33:45 PM
 #3057

Damn. What you still mining christian?
Pm me if its a secret ;-)

Christian has followed my strategy and change all of his miners to mine scrypt coin   Grin
cbuchner1 (OP)
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January 25, 2014, 10:47:43 PM
 #3058

Damn. What you still mining christian?
Pm me if its a secret ;-)

Christian has followed my strategy and change all of his miners to mine scrypt coin   Grin

Nope... still solo'ing Yacoin. And looking at the Keccak C code...


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January 25, 2014, 10:57:56 PM
 #3059

I just started my yacoin up aswell. Stopped just before I hit 1k sadly. Lets see how many I can get with the huge reward drop im expecting

Owner of: cudamining.co.uk
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January 25, 2014, 10:59:23 PM
 #3060

Damn. What you still mining christian?
Pm me if its a secret ;-)

Christian has followed my strategy and change all of his miners to mine scrypt coin   Grin

Nope... still solo'ing Yacoin. And looking at the Keccak C code...




How much khash for YAC with N=14 do you have, Christian? You solo with multiple PCs or it is just one?
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