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8721  Bitcoin / Hardware / Re: [Announcement] Avalon ASIC Ships on: January 29, 2013, 04:42:21 AM

This picture seems to be entitled ASIC Preview #1: http://imgur.com/Y8QzhRP

It's even an off-grid, self-powered unit, apparently.
That ought to teach all those non-believers!
8722  Bitcoin / Mining software (miners) / Re: CGMINER GPU FPGA overc monit fanspd RPC stratum linux/windws/osx/mip/r-pi 2.10.4 on: January 27, 2013, 10:38:21 PM
The windows and linux output is meant to look the same. Usually when something doesn't work on the windows version, like the text user interface, your virus software has been silently fucking you over by deleting files without you knowing - mining software is often falsely accused of being viruses.

Hardware errors are not uncommon at high overclocks or high temps. Just bump the clocks down a little or drop temps further. If you haven't overclocked, it may be a sign of some hardware instability but likely is harmless.
8723  Alternate cryptocurrencies / Altcoin Discussion / Re: Meteoric rise of BTC sucking life from Alt-Coins on: January 27, 2013, 05:48:10 AM
Do you see any developers currently working on LTC? Any that have commit access to the official source that are working? Have the previous developers handed over responsibility to anyone they can trust? I put it to you that LTC development is in a very precarious state and these are questions anyone investing heavily in LTC needs to ask themselves.

There are new devs that now have commit access to the ltc repo.
Coblee is on-board with a few of us working on the code and rolling in updates - many of which are in test and we're aiming to start more regular release cycles of the client.
We're being careful to ensure we can provide a clean upgrade mechanism for users as we build new functionality and roll in important changes from the bitcoin source.

Rome wasn't built in a day.
Rome's architects didn't abandon it though...

That's an unfair and invalid argument ck - Coblee did a Satoshi for a number of personal reasons - he's around and reachable by the current team - but he doesn't have time to commit with the everyday dev.  We do talk with him when it comes to major changes or for brainstorming - but we also have scope to bring about change.
Gavin stepped in and did a great job of moving bitcoin forward - building upon a solid foundation and helping to turn it into what bitcoin currently is today.  Give us a chance to see if we can do the same for litecoin.

We're also looking to deal with a number of hostile actions by some who believe that btc should be the only coin.
In the past few months the blockchain & many of the pools have been attacked by those who believe it should be taken down - sadly it appears that one of the contributors to the bitcoin code also have it out for litecoin - which tarnishes the image of not just bitcoin but all cryptocoins. 
We've weathered these attacks pretty well I think - we've learned a lot and now in a more solid position to take Litecoin to a new level.

To be honest I had no idea anyone was still actively working on it. It certainly didn't look like it so I apologise. I also was not passing judgement on Coblee since it's too much for one person to shoulder. As for a bitcoin dev that attacks others? It's pretty obvious who that would be...  Roll Eyes
8724  Alternate cryptocurrencies / Altcoin Discussion / Re: Meteoric rise of BTC sucking life from Alt-Coins on: January 27, 2013, 04:45:02 AM
Do you see any developers currently working on LTC? Any that have commit access to the official source that are working? Have the previous developers handed over responsibility to anyone they can trust? I put it to you that LTC development is in a very precarious state and these are questions anyone investing heavily in LTC needs to ask themselves.
8725  Bitcoin / Mining software (miners) / Re: CGMINER GPU FPGA overc monit fanspd RPC stratum linux/windws/osx/mip/r-pi 2.10.4 on: January 27, 2013, 04:40:09 AM
Segfaults with GPU mining are usually one of: Dodgy hardware, dodgy driver or corrupted/mixed AMD APP SDK install. The last is the most common one. Clear out any SDK files you can find and install it again, and delete any .bin files generated in the cgminer directory.
8726  Alternate cryptocurrencies / Altcoin Discussion / Re: What is the advantage of other cryptocurrencies? on: January 27, 2013, 01:18:19 AM
Except that the cryptocurrency microcosm at the moment is a finite relatively small number of people and generally when people choose an altchain they are doing it at the expense of supporting the bitcoin ecosystem (on whatever level you consider them "supporting" it).
8727  Alternate cryptocurrencies / Altcoin Discussion / Re: Meteoric rise of BTC sucking life from Alt-Coins on: January 27, 2013, 01:15:19 AM
I'm disappointed by the lack of backbone in the LTC 'economy'. Basic services and structures are hard to find or do not exist. The speculators were in because there was lots of talk of building these things, but when the months go by and they don't get built, and people talk less and less about actually building them, it gets hard to maintain the faith. Besides, who wouldn't move out of the coin when it stops to drop? Even the faithful know to move out and buy more at the bottom. So now maybe the faithful will buy more.

Rome wasn't built in a day.
Rome's architects didn't abandon it though...
8728  Alternate cryptocurrencies / Altcoin Discussion / Re: True CPU e currency. Ways to do it? on: January 27, 2013, 01:13:27 AM
The original intent behind using scrypt for litecoin mining was trying to do precisely this. Scrypt was a good choice for it, but unfortunately, the parameters chosen were not well enough thought out and it was still possible to parallelise the workload and use GPU memory efficiently to do the same thing. Different scrypt parameters would make it possible to make it basically impossible to use on GPUs.
8729  Bitcoin / Hardware / Re: [Announcement] Avalon ASIC Ships on: January 27, 2013, 12:20:09 AM
Of course a MUCH higher BTC price will negate that Cheesy
You mean would negate that. There is no guarantee it will be higher  Wink

Though I do believe value will continue to rise.
8730  Bitcoin / Pools / Re: [3600 GH] BTC Guild - PPS, PPLNS with TxFees+Orphans, Stratum+Vardiff ASIC Ready on: January 26, 2013, 01:47:21 AM
You should be using stratum to the server and stratum to the proxy rather than getwork to the proxy.
8731  Bitcoin / Mining software (miners) / Re: CGMINER GPU FPGA overc monit fanspd RPC stratum linux/windws/osx/mip/r-pi 2.10.4 on: January 25, 2013, 04:03:45 AM
Thanks, I guess  Wink

I see nothing has changed while I was away... not that I expected anything more  Roll Eyes. Fortunately, I predicted well that 2.10.4 would be a cracker release and it has lived up to my expectations.
8732  Bitcoin / Hardware / Re: [Announcement] Avalon ASIC Ships on: January 25, 2013, 03:49:11 AM
Yes Kano we know, enough already... wait till hardware materialises and then we'll see.
8733  Bitcoin / Mining software (miners) / Re: CGMINER GPU FPGA overc monit fanspd RPC stratum linux/windws/osx/mip/r-pi 2.10.4 on: January 25, 2013, 01:57:28 AM
https://www.youtube.com/watch?v=j_oUjMxR0YU
8734  Bitcoin / Pools / Re: [3600 GH] BTC Guild - PPS, PPLNS with TxFees+Orphans, Stratum+Vardiff ASIC Ready on: January 24, 2013, 11:00:55 PM
Hello,

I was wondering why almost 60% of the BTCGUILD users are still on getwork???

I use cgminer so it automatically went to stratum with the later versions..!!!

I must say my setup runs very stable and 24/7 on Linux.... Wink


Yeah, I can leave my FPGAs on Stratum and the only time I get an idle warning is when I unplugged them.  I don't know why there is so much resistance to moving to Stratum on BTC Guild, there's quite an obnoxious warning to users who aren't using Stratum, but I suppose most users don't go to the site frequently enough for it to bother them.  I suppose once ASICs start to show up, I might have to take more drastic measures to encourage users to switch to Stratum [higher fees for using getwork, or something similar].  We had about 50% of the pool on Stratum for a while, but then ~300 GH/s of new miners showed up and they're almost exclusively on Getwork.
Don't underestimate the amount of inertia on the part of miners. A large chunk of miners simply start mining and once everything is working they never touch it again till it breaks.
8735  Bitcoin / Hardware / Re: [Announcement] Avalon ASIC Ships on: January 24, 2013, 10:15:32 AM
...
Shouldn't you pay for it or return it once the coding process is done?

Do you sort of understand where I am coming from?
No I don't - because you are not comparing similar environments.

If they were to employ someone to write the software from scratch the cost would certainly be well above handing out some boards to developers. Then of course there is the support of that software for eternity until the Avalon boards are considered no longer worth supporting.

By having developers support their hardware they gain more sales.

Why should developers do the development and support for them for free when they are purely profit driven themselves?
In the larger world of linux kernel development for example, when developing original novel code for new hardware all we need to do is ask the manufacturers nicely for some sample hardware and provided the developer is a known developer for code in the past they are often given samples of hardware that isn't even available for sale yet. This is always going on with the manufacturing from Intel, AMD, IBM etc. They are aware that having software available for their hardware is only beneficial to their hardware sales and the cost of sponsoring the software development directly versus giving away a few hardware samples is a simple equation that works in their favour. Indeed the developers are often invited to pre-release talks from the manufacturers regarding the hardware development and their input valued and can often change hardware development direction before release because these are the people who know what they're talking about and the manufacturers realised this long ago. Great hardware is only ever made when the software developers are involved in the development process and the software that goes with it is shipped at the same time.

Thinking us software developers just want "freebies" is just a short sighted view of the world. It's only on this round of bitcoin hardware development (with ASICs) that the manufacturers have even begun to embrace what the massive manufacturers have been doing for years, and not remotely on the scale that Intel and AMD would since we're largely in the dark about the hardware and communication protocols until virtually the release date. Of course the scale, timelines and profit margins are completely different, but the variables remain the same.

EDIT: Trust me, you don't want to actually contract me to do software work. It's prohibitively expensive - just ask coinlab who did contract me. Or, you can rely on me coding free software instead.
8736  Bitcoin / Hardware / Re: [Announcement] Avalon ASIC Ships on: January 24, 2013, 09:57:50 AM
Jeff Garzik was the original author of minerd which evolved into cgminer which I now maintain. There are most definitely still remnants of his original code still in cgminer today which is GPL licensed. Given that fact, I think it highly likely he will have an interest in making sure the code for a customised cgminer for avalon hardware is made available. I very much doubt given Jeff's history with free software that he will just ask for the code and just look at it himself without making it available for everyone else.
8737  Bitcoin / Pools / Re: [3600 GH] BTC Guild - PPS, PPLNS with TxFees+Orphans, Stratum+Vardiff ASIC Ready on: January 24, 2013, 09:50:26 AM
I was just wondering is cgminer reporting an efficiency of 555% is normal. It is always around there btw, I use stratum.

With Stratum, your efficiency is always going to be extremely high if you're mining on basically any GPU/FPGA.  Basically 1 share [diff1] per 30 seconds = 100% efficiency [if I'm remembering correctly], and it scales from there (1 per 15 = 200%, 1 per 10 = 300%).  I may be wrong, I can't remember exactly how efficiency was calculated on Stratum, since you basically receive 1 work unit per 30 seconds regardless of your speed.  The stat is mostly useless because of that fact.
Yes that's right. It's largely of historical value when the getwork protocol was often the rate limiting step and means less and less with both stratum and variable difficulty.
8738  Bitcoin / Mining speculation / Re: [2,979,637]Difficulty Discussion Thread [TRENDING ↑ ↑ ↑] on: January 03, 2013, 09:02:19 PM
Looks like the equipment is coming back on. Or ASICS?
No, these are now "diff hoppers", people on the brink of profitability who wait for the diff to drop, then mine until the diff rises, then stop. They did so numerous times on the LTC chain which changes more frequently, but they're doing it now to the BTC chain.
8739  Bitcoin / Mining software (miners) / Re: CGMINER GPU FPGA overc monit fanspd RPC stratum linux/windws/osx/mip/r-pi 2.10.4 on: January 02, 2013, 09:12:59 PM
I have been running on 2.7.6 "forever" and just upgraded to 2.10.4.  I got this error last night:

Code:
[2013-01-02 01:14:21] Error: clEnqueueReadBuffer failed error -5. (clEnqueueReadBuffer)

It ran for (nearly) exactly 24 hours before crashing.  Con - anything you would like me to do?  Run a debug version?  (etc.)  This machine is on Windows 7 64-bit.

I also noticed it is using variable difficulty shares.  There's no point in that for this GPU (an old nVidia card), is there?  Are there any options I should add to my command line?  I'm currently using only -o -u & -p.

(Yes this is a worthless machine for mining.  No need to point this out.  I'm still running it for weeks/months until the difficulty shoots up due to ASICs.)

#define CL_OUT_OF_RESOURCES                         -5

Some driver and/or device problem and the new cgminer version was purely coincidental. Reboot, reinstall drivers etc...
8740  Alternate cryptocurrencies / Altcoin Discussion / Re: Time to switch on litecoin. BITCOIN IS DEAD for normal miner on: January 01, 2013, 01:00:48 PM
There will definately be a shift towards LTC as all those GPU's will only be good for LTC
This is what I don't understand about all of the arguments for the defense of LTC: It's been established that for BTC, price drives difficulty. The more the BTC is worth, the more people want to mine it, and the more people are willing to mine. Wouldn't the same be true for LTC? So how can it be feasible to expect that the price would go up just because hundreds or thousands of GPUs decide to switch to LTC? That's actually counter-intuitive to what we've seen with BTC, yet most people still think it to be true.

The LTC price has risen, but only by a tiny amount. If more people actually considered it a valid currency, then more people would be buying, the price would go higher, and the difficulty would increase as more people made the switch. But that's not what we're seeing! Instead, we're seeing a consistently low price, and way too many miners. IMHO, that's why the LTC difficulty keeps bouncing - it's a case of WAY too much supply, and WAY too little demand. So taking this information and looking forward, I ask you again, how can adding MORE GPUs to an already fluctuating currency mean that it will suddenly become more valuable?
No crazyates, you understand perfectly well. Value going up will bring more mining, but the reverse is not true - more mining will not increase the currency's value. Trade, transactions and perceived value based on those determines the price of the currency. Far too many people in the bitcoin community are here purely because of mining and are totally detached from the concept that it's a cryptocurrency trade system we're trying to create here, and are only focused on mining profit. The best thing the miners can do to increase the value of their chosen currency is to start offering services or products with that currency to encourage trade in it instead of just concentrating on mining. As the profit margins of LTC mining whittle away the reality will eventually dawn on them, and people will switch off mining hardware for LTC as well. One could always have a belief that long term the value of their currency will eventually rise and then go on mining at a borderline loss, seeing it as some kind of long term investment. But then you could do the same with BTC too, since its price could also rise much more. Despite that, there is clear evidence that people invest in mining hardware and turn it on when price rises, and sell hardware and turn it off when price falls.
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