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is the block explorer down? it says "coucou".
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Interesting observation 280x, I had to raise GPU vdc in bios to get stable above 18.4MHs (now 1.118v) ... (was stable at 1.087v using previous kernel). Best for me 1160gpu/1500mem threads 1, TC 24576 (it does make a difference). Temps rise dramatically with minor increase in voltage sadly and have capped my overclock attempts as over 75c is enough for me  I have been unable to lower mem clock it seems to be locked (powercolor R9 280x). Cooler ambient temps coming but will not gain all that much as temps seem to rise exponentially with overclocking (nice heater LOL). Congrats on profitibility St.Neman I am barely profitable with increased power requirement but the 1 DMD reward window will end soon enough ... take advantage while you can. Got new (used) Mobo on the way and will soon get main miner back online (only 1 280x atm in entertainment box right now main miner mobo died in a puff of smoke LOL). You should be able to push 73+ Mhs with 4 cards ... (volt mod and proper heatsink paste application). It's a pity you can't reduce mem clock because it would save you watts and lower the card temperature (and also let you overclock the core more). I think the 280x has a maximum core/ram clock range like the 7950: I used to set it at 1150 core and 1000 ram. If the hashrate changes with thread concurrency, it's probably just compiler variance and not due to the TC buffer which is not used at all. Try removing the bins and restart a handful of times, you'll probably see different hashrates with the exact same settings. |
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4gpu 280x = 69Mhs = about 7000AID x 0.00000086 = 0.00602 BTC/daily
(power consumption 870W/h)
0,00602BTC = 2,35$/daily
electricity = 1,12$/daily
2,35$ - 1,12$ = 1,23$/daily
That's good! You pay very little for your electricity... I pay a lot more so it's no longer profitable for me for a long time now. |
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What coins can be extracted with your algorithm?
the ones using the groestlcoin algo (groestl + groestl): for example diamond, aidbit and atheistcoin. not myriad groestl like saffroncoin and digibyte. |
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Hello
How do you do to have a such result ? I have only 6
My settings are wrong ?
sgminer.exe -k groestlcoin -o localhost:17772 -u XXXX -p XXXXXXXX -I 22 -w 256 -g 1 --thread-concurrency 24000 --gpu-engine 1100 --gpu-memclock 1250
Thanks
See the troubleshooting on the op. Lower your memory clock, try the compiled binary. |
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I've tried various parameter settings for this with no change, the only things I have not tried, is changing any of the GPU frequency settings, or upgraded the AMD drivers (still on 14.4). Although Pallas post shows stock should be able to hit around 18Mhs. As for the .bin file, although I gave it a try, I did not expect it to make any difference, as that bin is for the Hawaii based GPUs, where as the 280x is a Tahiti card. It should work on Tahiti as well (it works on 7950, so...) |
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Wolf0 Getting above 5.7MH/s stable with my 280X on X11, using a kernel I heavily modified. 290X is getting 6.5MH/s at (almost) stock clocks, that is, 1000/1500. 7950 pulling around 4.87MH/s at 1120/1500. And 270X getting 3.53MH/s at 1150/1500. Let us try your modified x11 kernel make us happy with you my 280x only get max 4.2 Mhs  Nah, I sold it exclusively. If you're curious, though, I got my 290X up to 8MH/s at 1040/1500, 280X still at 5.7MH/s, 7950 at 5MH/s, and 270X at 2.6MH/s. I am interesting but maybe just give you some donate sell modified kernel, that's not a good idea when the other gives us as a free and a good service I did it better, and so I sold it. If you're good at something, never do it for free. Besides, what service? As soon as a better kernel is published, the difficulty goes up just as much. You'll make the same amount you did before - no one wins. It is good for the community and the little miners because there will be less difference between them and the big miners who use private software like your customers do. |
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it doesn't make sense to mine at a loss anyway: better use the money you'd pay on electricity for buying the coins on an exchange: you get more coins!
Sending money to exchanges risks -your bank closing your account and maybe stealing your money -the exchange being robbed, having technical difficulties, or stealing your money -something going wrong with the transfers, and your money being lost If you don't want to be Goxed or Weexed, paying for electricity to mine is a nice safe choice because the coins never leave your possession. There are counterparty risks with pools not present with solo mining, but having frequent automatic payments and keeping a near zero balance minimizes them. XCN is so undervalued and has so much upside potential that risking funds just to be a cheapskate and save a few % is like picking up pennies in front of a bulldozer. Mining XCN also helps secure the network, which counters the risk of a successful attack. you forgot to mention that buying on an exchange helps driving the price up, so it's good for the coin. let's say there is need for both miners and buyers, but miners better pay very low electricity cost ;-) |
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diff still too high for the profit, probably only miners with super cheap electricity or no electricity(which mean stealing) at all are mining, the latter can mine forever if they roi'ed, lucky them
Sometimes things go towards the direction unexpected, likely reason could be that these miners put efforts into mining and consider it as a long term investment that turns out their faith in the coin. That's good anyway. it doesn't make sense to mine at a loss anyway: better use the money you'd pay on electricity for buying the coins on an exchange: you get more coins! |
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Thanks. It looks like the new card is still slower than an r9 290 on most algos, but draws half the power. So it's better as hash/watt but worse on $/hash. Now it is down to the developers to get the best out of the card ;-) Scrypt and Scrypt-N is slower because of lower memory bandwith, but groestl and other algos are faster. For example groestl runs at 20.5MH/s on R9 290 (and 24MH/s on GTX980). Wrong, r9 290 runs at 25 :-) See my signature. |
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Thanks. It looks like the new card is still slower than an r9 290 on most algos, but draws half the power. So it's better as hash/watt but worse on $/hash. Now it is down to the developers to get the best out of the card ;-) |
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anybody tried the 970 and/or 980?
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@pallas Any chance of you integrating your groestl kernel into the optimised X11 and X13 kernels on my BCT thread (in my sig)  I'll have a look asap. Actually I don't have much free time now, so it may take a bit. while you are at it, how about myr-groestl?  I had a quick look some time ago: some of the tricks that work on this kernel do not make myr-groestl any faster, thus I'd need to re-tune it from scratch... :-/ |
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in the end using more 64 bits turned out to be faster. Probably private memory is not fully used...
May be 64 bit math tricked AMD OpenCL compiler away from useless 'optimizations' I once get strange effect when inserting absolutely unrelated operations (well, it was copy protection) in the middle of big number crunching resulted in ~5% speed increase. Sometimes it looks random indeed! :-D And sometimes compiling the same .cl file leads to different hashrates O_o |
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@pallas Any chance of you integrating your groestl kernel into the optimised X11 and X13 kernels on my BCT thread (in my sig) I'll have a look asap. Actually I don't have much free time now, so it may take a bit. |
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Is the block explorer working fine? I can't seem to find the latest transactions of my address.
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I did the best I could to reduce register usage, but in the end using more 64 bits turned out to be faster. Probably private memory is not fully used...
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block reward by itself doesn't mean much.
what really matters is block reward * btc change.
i.e. you need buyers.
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I'm wondering why people still use "screen". Byobu is so much more powerful and easy to use.
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Thanks. From a first look, I don't see anything I haven't tried yet :-) Do you have some hashrate figures? |
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