you'll average a block every 29 hours.
why on earth wouldn't you mine solo?
you'll average a block every 29 hours.
Nope. 2**32*244139/7567e6/3600 = a block every ~38 hours. Hi I'm new to bitcoin and have many things to learn, may I know how you guys come up with these figures ? I'll soon be expanding my mining capacity too and would like to know at which point in the future should I consider mining solo and why. try these two: http://www.alloscomp.com/bitcoin/old_calculator.phphttps://en.bitcoin.it/wiki/Mining_hardware_comparisonbut mostly, just read the mining sub-forum. every day. over and over... |
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you'll average a block every 29 hours.
Nope. 2**32*244139/7567e6/3600 = a block every ~38 hours. < shrug > if the (old) Bitcoin Calculator is wrong, then it's wrong. but that's what it says for 10 Gh/s. |
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you'll average a block every 29 hours.
why on earth wouldn't you mine solo?
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for me since it costs me $0.24 to generate a bitcoin, I would guess the value of bitcoins to be $0.25 - $1 in the long term.
Is the value of a penny based on the cost to produce the penny? No. Is the value of gold based on the cost to mine the gold? No. So why do you assume the value of bitcoins will be equal to the cost to produce them? The value of bitcoins are based mainly on supply and demand. A penny is part of the reserve currency of the world, gold is a physical limited resource that has manufacturing value, bitcoins are neither of these, it is a made up virtual notion and exists only in theory. Other than speculation why does anyone 'demand' a bitcoin? Anonymity. Transfer of value without fees to central (i.e., banking) authority. Unstoppable transfer across borders. |
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don't use thumbdrives.
use SD or microSD cards. buy a bunch without labels.
and you can print up logos on an inkjet using sticky-back, high-gloss paper.
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that's a tremendous case, and probably my next miner box. the silverstone is nice, too. i would suggest that you not entirely rely on the stock cooling abilities of either, however - plan a few extra bucks for a couple of fan upgrades. the ones in that case are hooked up directly to a molex power connector: which means they're maxed out at whatever (very slow) speeds they run at - probably 600rpm for side and intake, and 800ish for top and rear. for $20 you can get a nice 200mm fan that's adjustable (look for a 2 or 3 speed - they're infinitely adjustable through their range) - a little more for a 230. and you will definitely want something like this: http://www.microcenter.com/single_product_results.phtml?product_id=0342847that's the most useful gadget i have on my big miner. getting a couple more... |
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two 5870s, CC 11.5, SDK 2.1, on Debian testing.
i don't know yet how much faster it is than your pre-BFI_INT release.
but a lot.
i'm putting in some extra fans and a rheostatic fan speed controller - it's so damn fast that i have to clock it down right now to keep temps under 85.
so going from the old version, max volted at 300 MemClock and 900 GPUClock, to the new version down-volted by almost 0.2, MemClock at 315 and GPUClock at 850; i picked up a bit over 100 Mh/s.
i'll have the new fans and controller in tomorrow. i have another box that i've experimented with fans on - just a single 5870, but i've learned a bit. i'm hoping for a maxed-out setup on the dual box, running at well under 75 degrees. we'll see.
At stock 850, 2 5870 should be in the neighborhood of 740 using -v 2 -w 128 on SDK 2.1. BFI_INT adds around 10%. pretty much. i'm getting 746-748. i'm hoping that once i get the voltage back up, and the GPUClock at 900 again, i'll be somewhere considerably closer to 800Mh/s. by the way, Diablo - do you agree with the formula (picked up somewhere on this forum...) that the sweet spot for MemClocks is very close to: GPUClock/3 + 14 ? so now we know, Diablo... i've got my two 5870s pushed up to 1.1v (still a little room to grow, there), 900 GPU, and 315 Mem. your mid-march version - 655 Mhash/sec. your just pre-DustinEwan version - 797 Mhash/sec  and running at 65 C now, too... i'll be trying out the very latest (today's) version on another box, tonight. EDIT: forgot to mention... using -v 2 -w 256 -f 2 |
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i have four miners on a $20 switch with patch cables, which then connects to one port on my main internet router. the bandwidth usage is minimal, and the only time i need to connect a box through the main router is when i do an OS install and upgrade.
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to answer the initial question: yes, it is.
let's say you only get 2x5850 (not 5870s) for $800,
2 5850s get around 700MHash/s and the rig will need ~375W (probably less, but let's just be sure),
at (very expensive) $0.3 per kW/h you'll pay $2.7 per day
at current difficulty the expected average output is 2.88BTC per day,
at current market rates (of roughly $6.5) that's $18.72 per day.
$18.72 - $2.7 == $16.02 per day
16 / 800 == 2% ROI per day
show me an investment opportunity that pays you 2% per day and i'll join it.
you are missing the time you put into setting up and watching the rig. that is gonna be a couple of long days work depending on your experience. if you would work for money and buy bitcoins you would be much better off. so the question is: how much fun is it for you to play with the rig? Two long days to set up a rig? Good lord, I don't think it's ever taken me that long. My first build took all of 3 hours to put together, and the most recent ones have been done in under an hour. Install OS, install drivers, ready to go in under 2. Anyone who takes two long days to put together a computer really shouldn't be putting them together to start with. well yeah, SgtSpike - two hours is about right. but everybody has to start somewhere. took me a couple of days to build out my first 286. getting that CGA card to work was a bitch - i wonder how many milli-hashes/sec it would have done...? |
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linux is the best OS for mining, but windows is better for serious overclocking.
a dual-boot system - set overclock rates in windows and then boot to linux to mine with the new settings - is best, if you're somewhat experienced with overclocking. be careful with it though - you can toast your GPU without half trying. i note that i've been quite happy with the slightly more constrained overclocking available using AMDOverdriveCtrl in linux only.
MacOS is... well... i'm not a fan - neither of the functionality, nor of the philosophy behind it. YMMV.
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the way the market is right now, i'd buy any 58xx i could get my hands on. accept no backorders - they most likely won't be filled.
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Nice, and many thanks for the release.
Now, some rough calculations.
At 80 MHps, I will need at least 3 of these to achieve a single 5830 hashrate.
That is $595.-x 3 = $1785.- at full price, vs. $190.- for the 5830.
Giving the 5830 is consuming $11.- a month in electricity, and assuming this board will consume zero electricity, it will take more than 145 months, or 12 years to recover the investment, always comparing to a 5830.
Is it really cost feasible ? Your math assumes the difficult will be constant. Eventually, the difficulty will reach a point where the power cost is a significant portion of the mining cost. Right now, power is about 10%-20% of the cost when doing GPU bitmining. Let's assume that one year from now, power is 80% of the mining cost. At that point, FPGA mining would have a significant advantage over GPU mining even if the hash rates are same. my power cost right now is about 4-5% of what i mine in Bitcoin, at $7/1BTC. 1 - 1 1/2 days of mining pays my monthly electric bill (that 80% of it which is incurred by mining). my rigs are paid for. it's not as grim - and won't be - as you make it out, IMHO. |
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The first thing I'll do once I come in a position of power is pass a law prohibiting all competing forms of currency, thus becoming the monster I had opposed all along!
that is the unvarnished nature of law, isn't it? near as i can tell, most all laws having to do with money (the majority of them) are about successful people pulling the ladder up behind them - however they've succeeded is what they seek to prohibit to others. fear. law is fear. |
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As an early investor who came across 300 BTC today, and then found a backup of his 46,850 BTC wallet, the prospect of a $20 exchange rate pleases me.
I'd like a million dollars, please.
holy crap. way to totally trample on motivation, dude. forgive me if i just ignore you forever... |
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two 5870s, CC 11.5, SDK 2.1, on Debian testing.
i don't know yet how much faster it is than your pre-BFI_INT release.
but a lot.
i'm putting in some extra fans and a rheostatic fan speed controller - it's so damn fast that i have to clock it down right now to keep temps under 85.
so going from the old version, max volted at 300 MemClock and 900 GPUClock, to the new version down-volted by almost 0.2, MemClock at 315 and GPUClock at 850; i picked up a bit over 100 Mh/s.
i'll have the new fans and controller in tomorrow. i have another box that i've experimented with fans on - just a single 5870, but i've learned a bit. i'm hoping for a maxed-out setup on the dual box, running at well under 75 degrees. we'll see.
At stock 850, 2 5870 should be in the neighborhood of 740 using -v 2 -w 128 on SDK 2.1. BFI_INT adds around 10%. pretty much. i'm getting 746-748. i'm hoping that once i get the voltage back up, and the GPUClock at 900 again, i'll be somewhere considerably closer to 800Mh/s. by the way, Diablo - do you agree with the formula (picked up somewhere on this forum...) that the sweet spot for MemClocks is very close to: GPUClock/3 + 14 ? |
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I have made it my new aim to convince everyone that mining is NOT profitable.
So no, rig building is a terrible investment, and you will lose all of your money. And your home.
Due to recent developments I have to agree, it's like or better yet worse than throwing money into a wishing well at the moment. "recent developments"? hmmm... i dunno - i do quite well. i started seriously in march, paid my rigs off in about three weeks, and now 1-1 1/2 days' mining pays my monthly electric cost. i must've missed the memo.  |
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Hello everyone,
Im being a noob here. it seems the gui runs on my linux box,
But I cannot seem to be able to run it without the gui.
Is there anything special I gotta do?
in nautilus (or whatever file manager you use) go to the directory that the appropriate "bitcoind" is in - the 32 or the 64. right-click the 'bitcoind' executable. choose 'open' - or double-click it. check sysinfo to make sure the process started. then wait awhile (two or three minutes), open a terminal in that same directory and type: ./bitcoind getinfo hit enter. |
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two 5870s, CC 11.5, SDK 2.1, on Debian testing.
i don't know yet how much faster it is than your pre-BFI_INT release.
but a lot.
i'm putting in some extra fans and a rheostatic fan speed controller - it's so damn fast that i have to clock it down right now to keep temps under 85.
so going from the old version, max volted at 300 MemClock and 900 GPUClock, to the new version down-volted by almost 0.2, MemClock at 315 and GPUClock at 850; i picked up a bit over 100 Mh/s.
i'll have the new fans and controller in tomorrow. i have another box that i've experimented with fans on - just a single 5870, but i've learned a bit. i'm hoping for a maxed-out setup on the dual box, running at well under 75 degrees. we'll see.
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