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8321  Bitcoin / Mining / Re: 5970 2nd GPU woes on: April 07, 2011, 06:51:59 AM
Every terminal window you open has a different display number. Any window you open you will need to first execute, you will also need to do this before most commands.

export DISPLAY=:0

Run your poclbm after that and see if both (all) your devices show up in that list.


Kind of ... to see what DISPLAY a terminal is attached to, inside the terminal you do a

$env

and it will list the environment variables of the shell attached to that terminal ... in amongst those variables is
DISPLAY={something or rather}

When you do an $export you are setting an environment variable (or not if you screw it up).
Some Unices you can also do a $setenv or $getenv also ....

When you do the
$export DISPLAY=:0

you are accessing all the sub displays associated with the root display '0'

0.0
0.1
0.2
... et etc

In ubuntu if you want your terminals to always come up with the DISPLAY variable set to 0 (always referencing root display) you can put this line in the user .bashrc

export DISPLAY=:0

I've found the newer driver fglrx version 11.2 doesn't need the DISPLAY variable to be set to '0' to make all cards available to OpenCL ... DISPLAY=:0.0 sees them all also.
8322  Bitcoin / Bitcoin Discussion / Re: NEEDED URGENTLY: Professional Bitcoin Exchange and More Serious Project Work on: April 06, 2011, 05:34:59 AM
For instance, a professional operated and marketed exchange is one element that is desperately needed. An exchange that can handle big volumes and can be trusted by investors.

Not only that, but we also need more forex (mtgox/bcm) markets that are outside of the USA's jurisdiction.

The recent Liberty Dollar court ruling should make anyone in the USA, who is participating in a Bitcoin exchange service, very nervous.

Also, any large exchanger will draw the attention of local law enforcement eventually. I can think of many conditions that would lead an investigator right to the doorstep of a large and successful Bitcoin market.

What we need are thousands of little participating exchangers all over the world. It doesn't make sense to have a P2P currency with a few large centralized markets.


Hawala

http://en.wikipedia.org/wiki/Hawala

8323  Bitcoin / Bitcoin Discussion / Re: Saxobank founder libertarian - possible bitcoin adopter? on: April 04, 2011, 09:11:45 AM

Perhaps, I'll let you know if anything comes of it.
8324  Bitcoin / Bitcoin Discussion / Saxobank founder libertarian - possible bitcoin adopter? on: April 04, 2011, 07:17:27 AM

might be just the guy to talk to about including bitcoin in bank trading platforms, that is the business they are in. And have done real well I've been watching them.

http://www.cityam.com/markets-and-investments/libertarian-innovator-burning-see-his-company-grow-even-further

Many traders don’t realise how much they rely on the Danish investment bank, which provides white label services to other financial institutions, customising trading platforms based on their underlying technology."

For Fournais and Christensen, it was a chance they had to take. Their entrepreneurial drive has always been matched by their libertarian beliefs. A copy of Ayn Rand’s novel Atlas Shrugged sits proudly on display in the office where we talk. The book is so important to Saxo Bank’s founders that they arranged a Danish translation and gave copies out to their employees. They are outside Denmark’s intellectual mainstream: it is known for social democratic politics. But they were able to see opportunities that conventional opinion missed. They achieved positive cash flow within just two months."

We are always competing on product, price and service,” says Fournais. “We saw an opportunity in Denmark. It was not optimal conditions but we had a low cost base and we provided a service that was closer to clients.” Saxo Bank’s drive to create greater transparency soon came into its own with the arrival of the web: “We hadn’t heard of the internet when we started. But we saw E-Trade and others in the United States and in 1995 we began discussing how to use it.” This year, Saxo Bank launched a new online equity platform and in June they won the title of the world’s best white label solution provider. They have 200 IT staff in their Copenhagen office, and more in India and the Ukraine."

Still, Fournais is clear where his biggest problem lies, and it isn’t the challenge of managing giant IT projects. “Saxo Bank’s biggest challenge is the regulatory environment. Regulation is important, but over-regulation is not creating a safer or more sound system. Rule changes are very resource intensive for us.”

Fournais is less optimistic about the power of politicians to stop running up unsustainable deficits. “A private person couldn’t keep buying cars with money they don’t have. At least in the UK you are trying to change. In Denmark we are paralysed. Politicians wait for the platform to be burning, so there could still be a more drastic development.”
8325  Economy / Marketplace / Re: Make a simple logo for BitLotto - make 10 BTC plus some more... on: April 04, 2011, 05:46:35 AM

Anywhere we can look to see how much is in the pool for the next draw?
8326  Bitcoin / Pools / Re: [~70 Gh/s Mining Pool] INSTANT PAYOUT,+1-2% with LP! +1.2% for no failed blocks! on: March 30, 2011, 10:33:45 PM
No, the statistics page only has the total shares that the pool found for each block. I would like running totals since forever.
If we had table with breakdown as follows;

User  |   Total Shares  Submitted  |  Total Blocks Found
----------------------------------------------------------------------
user1                1048576                                20
user2                    32768                                15

You could put a fourth column with ratio of total_shares_submitted:total_blocks_found if you like but that would be gravy.
Any thoughts on this [TYCHO], yes, no maybe?
More transparency and information is always good for building confidence, right?
Actually at this moment i'm not keeping information about who solved the block because it doesn't matters for anything except curiosity.
And i have more than a 1000 of users, this would be a really long list. You want this to check if it's better to mine in pool or solo ?

I'm planning to add info about average number of shares per block in the last 24 hours, which should be almost the same and useful for checking statistics.
What's the point of breaking it into separate users if you don't know who is who anyway ?

It is the only way you will truly know if everyone is mining honestly.

EDIT: there is an element of curiosity to know distribution of luck also ...
8327  Bitcoin / Pools / Re: [~70 Gh/s Mining Pool] INSTANT PAYOUT,+1-2% with LP! +1.2% for no failed blocks! on: March 30, 2011, 10:02:21 PM
Quote
Can you explain further what do you mean ?
You want a list of all users, their submitted shares and found blocks ? But it would be the same as existing statistics page.

No, the statistics page only has the total shares that the pool found for each block. I would like running totals since forever.

If we had table with breakdown as follows;

User  |   Total Shares  Submitted  |  Total Blocks Found
----------------------------------------------------------------------
user1                1048576                                20
user2                    32768                                15
.
.
.

userN                  2                                          0

You could put a fourth column with ratio of total_shares_submitted:total_blocks_found if you like but that would be gravy.

Any thoughts on this [TYCHO], yes, no maybe?

More transparency and information is always good for building confidence, right?
8328  Bitcoin / Pools / Re: Cooperative mining (160Ghash/s) on: March 30, 2011, 10:00:48 PM
i think that shares are fewer in a pool with a vast Gh/s, but at the same time that pool has more possibilities to catch a block! please correct me if i am wrong  Smiley
Number of shares per block doesn't linked to pool's speed. It only depends on the current difficulty.

Unless there is some dilution of shares happening.
8329  Bitcoin / Bitcoin Discussion / Re: Would you support moving to a system with controled inflation? on: March 30, 2011, 09:51:50 PM
Correct, there is an energy content in attaining the divisibility of gold, which can btw be beaten into wafers that are on order of angstroms thick.

Bitcoin has very little energy content (work done) required for divisibility, so yes better in that sense.

I like to think that long term the value of BTC and gold will be closely correlated, but not sure just yet.

A Gold-BTC global hawala would have good prospects, transmitter puts gold into merchant at one end, they bitcoin it across to other side of globe to another merchant and receiving guy on other side gets gold out.

EDIT: Actually hawalla merchants may be a very receptive target market for bitcoin, has anybody approached them? Ready made exchanges, right around the world.
8330  Bitcoin / Bitcoin Discussion / Re: Governments and Bitcoin on: March 29, 2011, 09:02:41 AM
Quote
But if you live in one of these nations and you benefit from the tax-payed services provided by the greedy government (even if they are crappy), it's not right just refusing to pay your share saying everything is unconstitutional or a crime.

What if you don't benefit? What if it is always a net loss in your dealings with the state? You are only ever paying into the system and getting screwed by big guys and never getting anything tangible out of it except contributing to a net harming of humanity?

What are your options then? If you don't pay they put you in jail, is that not a threat of violence?

What if it really is a crime what they are doing? What is 'right' at that point?
8331  Bitcoin / Bitcoin Discussion / Re: Is calling it a "wallet" the wrong thing? on: March 29, 2011, 08:57:30 AM
I like keychain too, but what about chainkey? Isn't that exactly what it is? A block chain key?

Keys, plural. There is more than one in there, hence key-chain ... how about 'keys file' or too obvious?
8332  Bitcoin / Bitcoin Discussion / Re: Would you support moving to a system with controled inflation? on: March 29, 2011, 08:54:48 AM
I’m talking about changing any of this. If you use Bitcoin, you agree to it.

I can assure you that any changes to it would destroy Bitcoin due to enormous panic sells and very little demand. Also, it would make it impossible for me to trust any future currency of this kind – and I’m sure I’m not alone.

Actually if you use any currency you agree to its definitions, by definition. If you're so titchy about changes in software you might be more heavily invested than you should be, it does still say BETA on the front page of the thing.

The whole thing sounds kind of ironic coming from guy with pyramid scheme offers in his signature. Easy come, easy go.
8333  Bitcoin / Bitcoin Discussion / Re: Would you support moving to a system with controled inflation? on: March 29, 2011, 07:28:08 AM
Hang on, how do we tell the difference between "Community Infiltration Attack" ... and someone merely proposing ways to improve bitcoin?
Changing the very foundations on which a currency was built is an attack, no matter what.

Okay, how do we tell what is "changing the very foundations" and what isn't? I'm not trying to be funny here, you are proposing some kind of subjective boundaries about what can and cannot be discussed in "polite" bitcoin company ... correct?

There are probably unknown unknowns type weaknesses being let into the protocol every time a change is made but who's not talking about that?

PS: I'm partial to any formula with a natural log function in it, so I might be biased.
8334  Bitcoin / Bitcoin Discussion / Re: Would you support moving to a system with controled inflation? on: March 29, 2011, 05:49:32 AM

Hang on, how do we tell the difference between "Community Infiltration Attack" ... and someone merely proposing ways to improve bitcoin?
8335  Bitcoin / Mining / Re: Underclock mem speed on HD 5970 linux? on: March 29, 2011, 05:33:28 AM
When running in linux I noticed that poclbm showed a reduced hash rate when I lowered the memory clocks under 900Mhz, however DiabloMiner has stayed steady all the way down to 160Mhz.  IIRC poclbm wasn't having that problem when running under windows.

Hmmm, might have to put a special order request into mOmchill for a linux super-cool low-mem version ... unless it is Xorg sticking its nose in again.
8336  Bitcoin / Pools / Re: [~70 Gh/s Mining Pool] INSTANT PAYOUT,+1-2% with LP! +1.2% for no failed blocks! on: March 29, 2011, 05:28:54 AM
Quote
Can you explain further what do you mean ?
You want a list of all users, their submitted shares and found blocks ? But it would be the same as existing statistics page.

No, the statistics page only has the total shares that the pool found for each block. I would like running totals since forever.

If we had table with breakdown as follows;

User  |   Total Shares  Submitted  |  Total Blocks Found
----------------------------------------------------------------------
user1                1048576                                20
user2                    32768                                15
.
.
.

userN                  2                                          0

You could put a fourth column with ratio of total_shares_submitted:total_blocks_found if you like but that would be gravy.
8337  Bitcoin / Bitcoin Discussion / Re: Would you support moving to a system with controled inflation? on: March 29, 2011, 04:24:29 AM

that's what satoshi did - rather than arguing about deflata-coin (current bitcoin Smiley ), he just came out and did it to see what happens, in an experimental fashion. so do the same.

my prediction, however, is that you'll have a hard time attracting significant mining power.


If I was gonna do it, then I probably would set it up with the following parameters.

Same 21 million just like Bitcoin.  There is nothing wrong with this number.  But instead of 50 coins for the first 210000 blocks, I would make the reward try to mimic an objective measure of the community size with a formula.

Here is an example formula (BTC per block) for that: B * (ln(difficulty)2 / 4)  where B is a percentage of coins not yet distributed (1 for 21 million, 0.5 for 10.5 million, 0 when they're all distributed).

This would result in 50 coins being given out per block once the difficulty reached 2.3 million.  Current difficulty of about 70000 would pay about 30 coins.  If I fired up just my own GPU's (eight 5970's), the difficulty would be about 700 and the payout would be about 9.50 per block.

Then I would correlate the maximum block size with the difficulty.

Okay, I see. You are not proposing inflatacoin as others are saying and I didn't think so. Basically, you are proposing that instead of the block mining payout drops (every 4 years) to be a smooth transition over time and to be more loaded to the mature network than the immature network. What about keeping an incentive for mining after the 21million BTC have been distributed? Still have fees?
8338  Bitcoin / Pools / Re: [~70 Gh/s Mining Pool] INSTANT PAYOUT,+1-2% with LP! +1.2% for no failed blocks! on: March 29, 2011, 04:17:20 AM
Yes, I would like to see how many shares each user has contributed and how many actual blocks they have solved ... (do not need to know who the users are they can remain anonymous). Just to get an idea of distribution of proof of work difficulty 1 versus network difficulty randomness.
8339  Bitcoin / Mining / Re: Underclock mem speed on HD 5970 linux? on: March 29, 2011, 04:01:46 AM
I found a solution using "ATI Overclocking Utility" referenced here: http://www.overclock.net/software-news/514993-phoronix-ati-overclocking-utility-linux-2.html#post6338431

There should be instructions on that page for installing it.  On ubuntu I also had to "sudo apt-get install libqt4-network" in order to get the util to run.

This utility appears to change whatever values aticonfig is using for bounds so once you lower the memory speeds in the utility it will expand the range available to aticonfig.  I could clock my 5870 as low as 160Mhz, however anything under 900Mhz or so seemed to affect hash speed (~340MH/s @ 900Mhz, ~290MH/s @ 300Mhz using poclbm).

Thanks Ian. I'd played with utility before but hadn't noticed that it was frigging with the peak range back in aticonfig .. wth, how does that work? Anyway happy to have access to bigger clock range without flashing the BIOS.
8340  Bitcoin / Mining / Re: Offering 25 BTC for Linux mining guide on: March 29, 2011, 02:43:49 AM
Humble did quite a good job of it here also:

http://bitcointalk.org/index.php?topic=3356.msg47489#msg47489

It is a little difficult to do a one size fits all because auxiliary hardware varies, OS history may not be what you think, etc.

So are we going to get a wiki for linux miners or is the bounty still up for grabs?
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