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Author Topic: GekkoScience has a new stickminer that does 300+GH  (Read 3483 times)
os2sam
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November 23, 2021, 05:37:54 PM
 #201


Pi4 might be overkill for it if you're trying to save a couple bucks. You can probably get away with a Raspberry Pi 3B+ which is a bit cheaper and just SSH into it. I haven't tested 12+ sticks on mine yet but i think it should handle it no problem. I have a Pi 3B+ Model A that i'll try out and report back on.ting like 3.5-3.9 TH/s off 12 Compac F's.

When the R606's came out I tried the Pi 3b and had terrible performance with it.  I moved up to the Pi 4 and that works great.
Just my $0.02 worth.

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jeyzeus
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November 23, 2021, 10:16:47 PM
 #202


Pi4 might be overkill for it if you're trying to save a couple bucks. You can probably get away with a Raspberry Pi 3B+ which is a bit cheaper and just SSH into it. I haven't tested 12+ sticks on mine yet but i think it should handle it no problem. I have a Pi 3B+ Model A that i'll try out and report back on.ting like 3.5-3.9 TH/s off 12 Compac F's.

When the R606's came out I tried the Pi 3b and had terrible performance with it.  I moved up to the Pi 4 and that works great.
Just my $0.02 worth.

Was it the 3B or the 3B+? Not sure if there's much of a difference spec wise but I am running 2 R606's with 5 Compac F's & 2 newpacs on my 3B+ at my family's house with no issues. every once in a while (like once or twice a week) one of the R606's stops hashing and you just need to plug/unplug the USB from the Pi but otherwise it runs smooth. Pushing like 3.5 TH/s there on a headless Pi.

Roughly have the R606s @ 800-1000 GH/s
Compac F's @ ~300GH/s
Newpacs @ ~100 GH/s
kano
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November 23, 2021, 10:23:48 PM
Last edit: November 24, 2021, 01:31:14 AM by kano
 #203

Well a compacF is around 5 or more times the speed of the older NewPacs.

So one compacF needs the same work generated and written to USB as about 5 NewPacs
Don't these stick miners check diff, if needed generate a new nonce and re-hash all by themselves?
Do they simply get data and send back a SHA-256 hash of it instead?
I always thought having the block generation done by the host would be way too much communication overhead and that all miners just had a small MCU on them which recreates a new block candidate.

That way, communication would only be a new block template with previous block hash and a set of transactions when needed, but not a communication round for each and every single attempt / hash.
It simply sends hashable work to the chip itself - called a midstate - that can be hashed 4 billion times.

Pool sends a stratum work base with the merkle slice, no transactions, and not the full merkle tree (about 1350 Bytes).
Miner 'generates' a coinbase transaction and then builds a block header.
Miner hashes that to a midstate, then sends that to the chips. (Edit: this is the USB step)

Transactions have nothing effectively to do with stratum, since that's way too much network and way too much overhead.
With transactions, the data per work change would be between 2MB and 8MB
This was called 'GBT' years ago and no one used it for the obvious reason, miners can't handle that much data and work,
and no one ever implemented a transaction selection on top of that - that only produces a biased network, which is a very bad idea.

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os2sam
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November 24, 2021, 12:32:46 AM
Last edit: November 24, 2021, 02:38:38 PM by os2sam
 #204

When the R606's came out I tried the Pi 3b and had terrible performance with it.  I moved up to the Pi 4 and that works great.
Just my $0.02 worth.

Was it the 3B or the 3B+? Not sure if there's much of a difference spec wise but I am running 2 R606's with 5 Compac F's & 2 newpacs on my 3B+ at my family's house with no issues. every once in a while (like once or twice a week) one of the R606's stops hashing and you just need to plug/unplug the USB from the Pi but otherwise it runs smooth. Pushing like 3.5 TH/s there on a headless Pi.

Roughly have the R606s @ 800-1000 GH/s
Compac F's @ ~300GH/s
Newpacs @ ~100 GH/s

Can't remember which mine was for sure, but I think it was a 3B.  It was very unreliable.  The Pi 4 was always stable and never had to reboot, unless the power bounced.  Glad you have good luck with yours.

A: Because it messes up the order in which people normally read text.
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November 24, 2021, 01:14:26 PM
 #205

...

It simply sends hashable work to the chip itself - called a midstate - that can be hashed 4 billion times.

Pool sends a stratum work base with the merkle slice, no transactions, and not the full merkle tree (about 1350 Bytes).
Miner 'generates' a coinbase transaction and then builds a block header.
Miner hashes that to a midstate, then sends that to the chips. (Edit: this is the USB step)

Transactions have nothing effectively to do with stratum, since that's way too much network and way too much overhead.
With transactions, the data per work change would be between 2MB and 8MB
This was called 'GBT' years ago and no one used it for the obvious reason, miners can't handle that much data and work,
and no one ever implemented a transaction selection on top of that - that only produces a biased network, which is a very bad idea.

Kano,

Can you point to any documentation on how BTC pool mining actually works?
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November 24, 2021, 02:25:18 PM
 #206

Kano,
Can you point to any documentation on how BTC pool mining actually works?
Well you could just check out the help area on his pool... Start at https://kano.is/index.php?k=mining

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November 24, 2021, 06:30:48 PM
 #207

Hi guys,

Would like to ask if it's ok to use a raspberry pi running bitcoin/lightning node, and connect the USB miners (with bitcoin merch USB hub) to it?
or is it recommended to have a separate raspberry pi for the miners?
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November 24, 2021, 08:10:15 PM
 #208

Hi guys,

Would like to ask if it's ok to use a raspberry pi running bitcoin/lightning node, and connect the USB miners (with bitcoin merch USB hub) to it?
or is it recommended to have a separate raspberry pi for the miners?

idk about any official recommendations but i compiled cgminer on the latest build/image of mynode. I've been running it on there for 3 weeks now with no issues but i did need to disable tor. I also needed to install tmux [don't recall if it was already installed] to properly exit cgminer while keeping it running in the background.

note - i haven't actually spun up the lightning node yet locally but I should do it soon. Still need to set up BTC Pay. I just enabled the electrum server so RPC explorer and mempool are working and those are also running with no issues. RAM usage was at around 30-40% on an 8GB Pi 4 if I recall correctly. I don't think it's been over 50% but I guess if it does then you might run into issues with a 4GB Pi. Running taproot [bitcoin core 22] and have been able to locate a tx i sent to myself with the new taproot address type so it's pretty cool to be able to do that thru a GUI + mine and have that controlled thru the same device. (shoutout to the futurebit guys for the inspiration on that lol.)

i wasn't able to get it working at all with umbrel. cgminer compiled successfully on the umbrel image but the USB port never identified any miner or hub. i haven't tried on the latest version yet though.
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November 25, 2021, 02:59:44 AM
Last edit: November 25, 2021, 03:31:22 AM by KingTin
 #209

Hi guys,

Would like to ask if it's ok to use a raspberry pi running bitcoin/lightning node, and connect the USB miners (with bitcoin merch USB hub) to it?
or is it recommended to have a separate raspberry pi for the miners?

idk about any official recommendations but i compiled cgminer on the latest build/image of mynode. I've been running it on there for 3 weeks now with no issues but i did need to disable tor. I also needed to install tmux [don't recall if it was already installed] to properly exit cgminer while keeping it running in the background.

note - i haven't actually spun up the lightning node yet locally but I should do it soon. Still need to set up BTC Pay. I just enabled the electrum server so RPC explorer and mempool are working and those are also running with no issues. RAM usage was at around 30-40% on an 8GB Pi 4 if I recall correctly. I don't think it's been over 50% but I guess if it does then you might run into issues with a 4GB Pi. Running taproot [bitcoin core 22] and have been able to locate a tx i sent to myself with the new taproot address type so it's pretty cool to be able to do that thru a GUI + mine and have that controlled thru the same device. (shoutout to the futurebit guys for the inspiration on that lol.)

i wasn't able to get it working at all with umbrel. cgminer compiled successfully on the umbrel image but the USB port never identified any miner or hub. i haven't tried on the latest version yet though.
Thanks! losing tor access would be pretty significant if I plan to run lightning imo.
Guess one more raspberry pi specifically for the USB sticks is better.
Do experienced miners recommend getting the btc payout directly to your own node?
kano
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November 25, 2021, 06:48:16 AM
 #210

Mining through tor is probably one of the worst possible ideas you could do with mining.

Unless you have no concern about losing a block of course due to the massive laency - but heck it's only 1/3 million $, who cares if you lose one Smiley

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jeyzeus
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November 25, 2021, 08:05:07 AM
 #211

Thanks! losing tor access would be pretty significant if I plan to run lightning imo.

i'm actually lying. i had to disable tor for the set up, but after the chain was synced and after updating to the latest version i was able to turn it back on and it's been mining since.

Mining through tor is probably one of the worst possible ideas you could do with mining.

Unless you have no concern about losing a block of course due to the massive laency - but heck it's only 1/3 million $, who cares if you lose one Smiley

when you run mynode, i think bitcoin core or the lightning node connects to the internet through tor but i don't think the mining goes through it. i don't actually know how to check that though.
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November 25, 2021, 11:09:10 AM
 #212

hi guys,
 wich core voltage should i set to run over 500MHz ?
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November 25, 2021, 12:12:42 PM
 #213

Hello,

I previously had 2 USB newpacs using cgminer (4.11.x) that were successful in mining against the local wallet solo using the command line:

cgminer.exe -o http://127.0.0.1:8536  -u xxxxxx  -p xxxxx  --gekko-newpac-freq 400 --btc-address DDZ5f7VSWAHbLo7koRAC4RVo867atRsxxx

I've downloaded the new cgminer (4.12.0) and I have 1 compacF device.  I used the zadig to ensure the proper drivers were loaded and tried to mine to my local wallet using the following command:

cgminer.exe -o http://127.0.0.1:8332  -u xxxxxxx  -p xxxxxxx  --gekko-compacf-freq 400 --gekko-start-freq 300 --gekko-tune-up 85 --suggest-diff 442  --gekko-compacf-detect  --btc-address DDZ5f7VSWAHbLo7koRAC4RVo867atRsxxx

I keep getting the following response:

 [2021-11-25 07:06:59.927] No Stratum, GBT or Solo support in pool 0 http://127.0.0.1:8332 unable to use

Does anyone know why I can't solo mine to my local wallet even though it worked in the previous version?

Thank you,
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November 25, 2021, 01:51:15 PM
Last edit: November 25, 2021, 02:07:08 PM by Biffa
 #214

Did you change the port on your local wallet?

In the first example you are using port 8536
In the second example you are using port 8332

Also if you updated your local wallet to a later version of bitcoin then I think they broke local mining and cgminer code needs to be modified to make it work. Not sure how long it will take for kano to implement the changes necessary, or even if he thinks it is necessary, but if you did update your wallet then if you can roll back you might want to try that. Whether you can roll back or not depends on which version you updated your wallet to I think.

The changes happened starting with version 0.20.0 of bitcoin, something to do with the coinbase flags code I believe, there is a home grown patch that makes the coinbase flags optional in the source code of cgminer that someone did earlier in the year but I'm not sure if its been vetted or put on the task list for the next release yet.

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November 25, 2021, 11:48:16 PM
 #215

Hi ! I Would need a Quick advice. I have received my Compac F and i'm already working with 2 Newpacs at 300Mhz. But it seems (tbh i'm sure about that) that my USB hub is not powered enough to run all my sticks decently.
I Saw This hub : https://a.aliexpress.com/_mORbqlo
It Would fit with both 2 Newpacs and Compac F ?
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November 26, 2021, 06:47:13 AM
 #216

They would fit but its inly rated for 2.1A per port. So the CompacFs wouldnt be able to run full speed

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November 26, 2021, 07:06:06 AM
 #217

Ok, si which hub Can I buy to run all of them at full speed?
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November 26, 2021, 10:55:04 AM
Last edit: November 26, 2021, 11:24:34 AM by mprep
 #218

Hello,

I previously had 2 USB newpacs using cgminer (4.11.x) that were successful in mining against the local wallet solo using the command line:

cgminer.exe -o http://127.0.0.1:8536  -u xxxxxx  -p xxxxx  --gekko-newpac-freq 400 --btc-address DDZ5f7VSWAHbLo7koRAC4RVo867atRsxxx

I've downloaded the new cgminer (4.12.0) and I have 1 compacF device.  I used the zadig to ensure the proper drivers were loaded and tried to mine to my local wallet using the following command:

cgminer.exe -o http://127.0.0.1:8332  -u xxxxxxx  -p xxxxxxx  --gekko-compacf-freq 400 --gekko-start-freq 300 --gekko-tune-up 85 --suggest-diff 442  --gekko-compacf-detect  --btc-address DDZ5f7VSWAHbLo7koRAC4RVo867atRsxxx

I keep getting the following response:

 [2021-11-25 07:06:59.927] No Stratum, GBT or Solo support in pool 0 http://127.0.0.1:8332 unable to use

Does anyone know why I can't solo mine to my local wallet even though it worked in the previous version?

Thank you,

I've got the same kind of issues. I'm also solo mining (not BTC) on a local wallet, it works with no problem for my gekko newpacs with cg miner 4.11, but with my compacf and cg miner 4.12 i can't get it to work. It looks like solo mining on a local wallet isn't supported in 4.12, would be great if it could be implemented.



Ok, si which hub Can I buy to run all of them at full speed?

Search for the gekkoscience hub, it can do 6A spread over 2 ports.

[moderator's note: consecutive posts merged]
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November 26, 2021, 11:26:40 AM
 #219

Ok, si which hub Can I buy to run all of them at full speed?

Gekkoscience hub is the only one anyone here would recommend. Im running 6x CompacFs at 520m for 2Th.

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November 26, 2021, 01:25:11 PM
 #220

Ok thanks ! I'll wait for stock on bitshopper.de then...
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