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Are there any measures I can take to minimise CPU usage of cpuminer on a Windows 8 machine? Without affecting performance? (don't ask for much do I?)
Elsewhere, I read "You can also try limiting the number of cores it uses with the -t option" but I don't think that applies to Sandor's fork?
I know I should be using a Pi/controller to mine, but I am not. I'm using the only PC I have (an i7 laptop) - its old and probably dirty inside, frazzled the cpu/gpu ages ago. @idle the fan does not come on. But with cpuminer running 24/7 the fan is on constant about 20% speed even though the process is reporting as using less than less than 1% cpu.
I have found the teardown guide for my laptop and in 30 simple steps I can crack it wide open to give a proper clean and repaste the cpu/gpu. Hopefully that will help! I regularly hoover out the ports too.
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multi.ghash.io has been down since approx 1PM BST today? Just me? Cpuminer has fallen to my backup pool but keeps probing multi.ghash.io for life every other minute. Keep getting "stratum_recv_line failed" on multi.ghash.io Edit: their support says: Please allow us more time to sort this issue out.
Our tech team is aware of this issue, we will fix the multipool ASAP.
Please restart your miner, and see if you can reconnect to the stratum server.
Let me know if you this problem is resolved.
If you have any additional questions please don't hesitate to contact us. Edit 2: appears to be back online now (4PM). |
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I noticed something strange today too on cex/ghash.... my balance is stuck at 0.28433619 for almost 5 hours. Thats not something that usually happens. My hashrate hasn't dropped at all.
I am using their multipool. This is coinciding with a very high (98%) LTC mining time.. when usually LTC is only making up around 30-40% of the mining time.
I'll see what happens in the coming hours and contact their support if required.
Edit: balance started climbing again...
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Okay
How do you tell the JSON not to use a certian gridseed?
Probably something like this? EXAMPLES. Code1 would be json 1 in folder 1 {
"gc3355-detect" : true,
"gc3355-freq" : [
"8D9117765449:850:0", "8D9117765449:850:1", "8D9117765449:850:2", "8D9117765449:850:3", "8D9117765449:850:4"
],
"pools" : [
{
"url" : "stratum+tcp://us-east.multipool.us:7777",
"user" : "brandonb01.1",
"pass" : "x"
}
]
}
Code2 would be json 2 in folder 2 {
"gc3355-detect" : true,
"gc3355-freq" : [
"8D76576C5355:850:0", "8D76576C5355:850:1", "8D76576C5355:850:2", "8D76576C5355:850:3", "8D76576C5355:850:4"
],
"pools" : [
{
"url" : "stratum+tcp://doge.ghash.io:3333",
"user" : "user",
"pass" : "x"
}
]
}
Not sure if that would have the desired effect. If both instances are using auto detect, then I think they'll both try to run both gridseeds at the same time - even though you are only specifying the frequency for one specific device (the readme says a default of 600 is applied if nothing is specified). If you're going to run 2 instances you probably need to specify each device rather than use auto detect? Just an idea. |
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I am sorry, but I don't understand why it is not working.
Maybe someone could chip in.
I am officially lost withit. It's like they just dont want to work.
They work with cgminer 3.7.2 (mostly) Thanks for trying to help! Working with CGMiner? Well I think that means you have to uninstall the WinUSB com ports you installed with Zadig? Because thats the configuration thats needed for CGMiner to work. For CPUMiner you just need to install the Virtual COM port driver. So if its working with CGMiner its not going to work with CPUMiner until you do that. That is my experience, at least. |
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aChingCoinDev does it work if you bypass the config file and run a minimal .bat file? e.g. minerd-gc3355 --freq=850 --gc3355-detect --url=stratum+tcp://us-east.multipool.us:7777 --userpass=brandonb01.1:x
pause |
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GC3355 device detection + serial string display has been added for Windows.
Binaries are updated, current version is 1.0c
Edit: You can now also set frequency by serial instead of COM port.
May I ask how I get the serial? Just start the program as normal and it shows in the log and permanently displays at the top of the display. Its a 12 digit string. |
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GC3355 device detection + serial string display has been added for Windows.
Binaries are updated, current version is 1.0c
Edit: You can now also set frequency by serial instead of COM port.
Sandor I tried replacing COM numbers with serials in my BAT file but it didn't seem to work, it just sets everything to 850. My config: minerd-gc3355 --freq=850 --gc3355-detect --url=stratum+tcp://multi.ghash.io:3333 --userpass=user.1:pass --url=stratum+tcp://xxxxx.com:3333 --userpass=user.1:pass --gc3355-freq=\\.\8D6E30845355:850,\\.\8D6E30845355:875:3,\\.\8D6E30845355:875:4,\\.\6D91458E5748:850:0,\\.\6D91458E5748:825:1,\\.\6D91458E5748:825:2,\\.\6D91458E5748:850:3,\\.\6D91458E5748:825:4
pauseEDIT: oops maybe I should remove the \\.\ prior to each serial... Yes that worked.  Nice work Sandor loving the new features. |
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I see a newish commit for Sandor's cpuminer allows you to reference Gridseeds by serial rather than COM assignment. How do you find out the serial for each Gridseed? Thanks in advance.
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I haven't been following this thread for a while but when I was, I could not find any photos of the underside of the Gridseed PCB. I took some today, hope this is useful to someone: Sorry they are pretty terrible quality but they should give Gridseed virgins a fair idea of what to expect when they take the bottom heatsink off. |
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Wolfey you are pleading for help but you said you're "too busy" to make debug logs? Seriously?
Edit: lol just got a swearing PM from you know who.
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Today's build is working great so far Sandor. Initially it hung immediately and the previous build wouldn't then work either as if the gridseeds had frozen up. I power cycled the gridseeds and the new build worked first time. So, probably just me. Not an issue.
FWIW, after 40mins (ghash.io multi pool, 16 diff):
GSD 0: | 870 MHz | 349.7/368.2 KH/s | A: 872 R: 20 H: 2
GSD 1: | 850 MHz | 323.4/360.0 KH/s | A: 809 R: 16 H: 0
(2.14% rejects)
2nd build of today, after 2 ~9 hours (ghash.io multi pool, 16-32 diff):
GSD 0: | 870 MHz | 367.0/368.1 KH/s | A: 8485 R: 59 H: 25
GSD 1: | 850 MHz | 350.3/359.9 KH/s | A: 8151 R: 40 H: 18
(0.60% rejects ..some caused by me switching wifi connections!)
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Does anyone know if its possible to set up idle worker notification on this pool? EDIT: yes, it is. found it in the dash options somewhere a few days ago.. can't remember where! Also I'm a bit puzzled by the concept of multi-coin mining.. if its more profitable than straight LTC mining (and allows auto conversion to LTC for the payout), then what is the point in straight LTC mining? |
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Whats the best way to enable autotune for just one of my gridseeds? Run it on its own seperate instance of cpuminer until its tuned?
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I'm getting the lowest ever rejects with this evenings build! Over the last 90mins: A:3467 R:5 H:3 (0.14% rejects) [SPOILER]p.s. congrats Austria on winning the Eurovision![/SPOILER] I'm sorry but that "thing" singing for Austria should not be allowed. A gay ok, THAT no.. The millions of people who voted think differently. Lol going way o/t now sorry thread. |
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I'm getting the lowest ever rejects with this evenings build! Over the last 90mins: A:3467 R:5 H:3 (0.14% rejects) [SPOILER]p.s. congrats Austria on winning the Eurovision![/SPOILER] |
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I've recently switched to multi coin mining (which auto converts to LTC). But does this look normal? http://i.snag.gy/jcEKi.jpg (ghash.io pool screenshot) For the last hour+ my balance has not been increasing, and in that pool stats you can see even for blocks where I have shares, the payout is 0. Perhaps with only 2 gridseeds it is not feasible to be coin switching? Better stick to one coin (LTC)? Do they only pay out after full confirmations? Not really sure (its ghash.io). Since yesterday my balance was increasing every few minutes. But for last 2 hours, nothing. I will contact their support. |
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I've recently switched to multi coin mining (which auto converts to LTC). But does this look normal? http://i.snag.gy/jcEKi.jpg (ghash.io pool screenshot) For the last hour+ my balance has not been increasing, and in that pool stats you can see even for blocks where I have shares, the payout is 0. Perhaps with only 2 gridseeds it is not feasible to be coin switching? Better stick to one coin (LTC)? |
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Rejected shares have nothing to do with cpuminer-gc3355, proof:
As I said before, it's 50% you, 50% the pool you're on.
On that basis I switched pool to same as you, and after 11 hours I have these stats: CPUminer v1.0a (11 hours)
Pool: multi.ghash.io (16 diff)
A:24635 R:371 H:13 (1.5% rejects)Screenshot (CPUMiner): http://i.snag.gy/PLW9h.jpgScreenshot (Pool): http://i.snag.gy/vgZcR.jpg1.5% rejects is nothing to worry about I suppose, just wondering why you get 0 rejects. Most likely related to the quality and speed of your internet connection. Ah, that makes sense.. I'm on quite dodgy wifi. My neighbours wifi.. can't afford my own since getting made redundant last year. |
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Rejected shares have nothing to do with cpuminer-gc3355, proof:
As I said before, it's 50% you, 50% the pool you're on.
On that basis I switched pool to same as you, and after 11 hours I have these stats: CPUminer v1.0a (11 hours)
Pool: multi.ghash.io (16 diff)
A:24635 R:371 H:13 (1.5% rejects)Screenshot (CPUMiner): http://i.snag.gy/PLW9h.jpgScreenshot (Pool): http://i.snag.gy/vgZcR.jpg1.5% rejects is nothing to worry about I suppose, just wondering why you get 0 rejects. |
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