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2041  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 10:35:02 PM
Got IT!  I copied the host line from the pool and he had the port at the end of the line so I left it as is.

I entered it as port [xxxx] and it works.

The rest is a pool issue with getting work.

Yeah, I missed that it was malformed there.  Hopefully now it will work!
2042  Alternate cryptocurrencies / Altcoin Discussion / Re: $1000+ bounty for litecoin 51% attack on: March 17, 2013, 10:27:21 PM
I think this thread is a waste of time and efforts. Litecoin will fail anyway.... no need for an attack.

I doubt it given the ever increasing $10 million USD market cap.
2043  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 10:20:11 PM
It looks like you swapped the contents of reaper.conf and litecoin.conf, if I had to guess.

Be sure to move the litecoin-reaper.cl file over if you want to mine litecoin, too.
2044  Alternate cryptocurrencies / Altcoin Discussion / Re: That's the end of the altcoins glory? on: March 17, 2013, 10:02:33 PM
What would the open source documentation consist of exactly?

Perhaps we also need to draw up a To Do List of things that missing or need to be done.

Go through Sunny King's C++ code and figure out what the christ is going on in it.  It's poorly commented and difficult to read through.
2045  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 10:01:23 PM
root@xxxx:/home/xxxx/Desktop/reaper/build# ./reaper
\|||||||||||||||||||||/
-  Reaper v13 64-bit  -
-       BETA 4        -
-   coded by mtrlt    -
/|||||||||||||||||||||\

/----------------------------------------------\
| Please donate to support Reaper development! |
|----------------------------------------------|
|   SLC: sdJMdNAEaJMVaxPFxaWibty9bec6Y4ubJK    |
|   BTC: 1DjMcD5oQUap7kXrwa9J8S5esMryUs777o    |
|   LTC: LZ5xurMLgdEzeuXuJvYB4DwyprCC1asfmp    |
\----------------------------------------------/


2013-03-17 16:37:00 Error: Config file reaper.conf not found.
root@xxxx:/home/xxxx/Desktop/reaper/build#


This is with litecoin.conf and reaper.conf in the same directory? (you can see both when you run 'ls'?)
2046  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 09:33:32 PM
Do you have a BTC address you use for small donations?

This one is fine
17bmYcP6Vio6c1gnyPsaDSv4B11SLe81Ab

C:
2047  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 09:15:57 PM
Nothing should change except the attribute on the file.  now,

Code:
./reaper
Should do something, because the FS recognizes it as an executable.
2048  Alternate cryptocurrencies / Altcoin Discussion / Re: ppcoin stake generation tournament on: March 17, 2013, 09:10:42 PM
Q: Can you fork the chain by turning your client off for a long time, then spamming PoS blocks when it comes back online?

I think the easiest implementation to test this is to just start up the coin with 10,000 coins or whatever in a bunch of public addresses on a test net with PoW disabled.  Then, see if anyone can spam the chain quickly enough with PoS blocks to fork it and do things they shouldn't be able to do, like invalidate transactions.
2049  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 08:58:49 PM
Sorry if this is off topic,

I finally got reaper to compile, I think.  It said it was linking the CXX executable to reaper or something similar.

Now I cannot get reaper to run.  The readme.md seems to suggest I go to the build folder and run reaper.  I click on reaper, or try and run reaper from the root terminal and get a command not found error.

If you cannot tell I know zilch about Linux.  I'm using Debian squeeze 64 if that makes any difference.

Thanks.

did you

Code:
chmod +x reaper
?
2050  Alternate cryptocurrencies / Altcoin Discussion / Re: That's the end of the altcoins glory? on: March 17, 2013, 08:31:49 PM
With a market cap in the millions and thousands of dedicated miners, I doubt that.  Additionally, the scrypt implementation and then the GPU miner for scrypt took way, way longer than 10 minutes to code (you're forgetting Tenebrix/Fairbrix, advancements in the mining algorithm that allowed it to be GPU mined, etc etc).

The point of Litecoin was being a dedicated memory hard chain based on scrypt -- something that was achieved in spades.  Even the other coins with active development like PPCoin haven't updated to 0.7 backend yet, because 0.6.3 is a solid, stable release.
2051  Alternate cryptocurrencies / Altcoin Discussion / Re: $500+ bounty for litecoin 51% attack on: March 17, 2013, 07:38:03 PM
It is easy, just not everyone knows what exactly to do :trlf:

There are a lot of ways to get around WriteProcessMemory or OpenProcess call monitoring if that's what you're talking about.  It's really easy to write straight binary code to memory from a C program from overflow or other simple calls that will never be detected that way.
2052  Alternate cryptocurrencies / Altcoin Discussion / Re: $500+ bounty for litecoin 51% attack on: March 17, 2013, 07:27:02 PM
Just check if any system files have injected any different byte arrays into the systems memory. Checking if anything has been written to the VirtualMemory or any space has been allocated in the memory.

If it were that easy, anti-virus software companies would be out of a job pretty quickly.  Cheesy
2053  Alternate cryptocurrencies / Altcoin Discussion / Re: $500+ bounty for litecoin 51% attack on: March 17, 2013, 07:18:41 PM
You buy a "botkiller". It kills all the other peoples infected file besides yours so the zombie is all yours.

That I would trust even less than the botnet computers themselves.  That would need to be something you yourself programmed, and even then it'd be difficult to tell what other backends were and weren't installed on the compromised computer.
2054  Alternate cryptocurrencies / Altcoin Discussion / Re: $500+ bounty for litecoin 51% attack on: March 17, 2013, 07:12:24 PM
The only problem I hate about checkpoints is once we restore and the coins are gone, the coin is over.

There is another massive problem with the litecoin botnet scheme too -- when people realize that they can make lots of money using a botnet to mine litecoin, the price of renting a botnet will increase tremendously based upon demand and there will be intense competition now for "zombie" computers.

The other thing is that computers you get from a botnet are usually shared as far as I can tell, so you're competing with other people also using the CPUs.

My personal guess is that if you purchase a large botnet you'll probably hit less than a KH/s per computer because they're already busy chugging out all kinds of shitty code for other people.  If this is the case, you're looking at $100k USD+ to attack the network.
2055  Alternate cryptocurrencies / Altcoin Discussion / Re: $1000+ bounty for litecoin 51% attack on: March 17, 2013, 07:00:35 PM
The price quotes are from here:

http://blog.webroot.com/2013/02/28/how-much-does-it-cost-to-buy-10000-u-s-based-malware-infected-hosts/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+WebrootThreatBlog+%28Webroot+Threat+Blog%29

If you got 4 KH/s per bot and paid $0.02 per machine, you would need $15,000 to attack the network right now.

Keep in mind that's also 750,000 computers -- it's unlikely you'll find any single person with a botnet so large to offer you.
2056  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 06:43:39 PM
Try settings GPU threads to 2 instead of 1 for the 7970s.  That's the only thing I can think of.  If that fixes it, I'll update it in the next GUIminer release.

There are a lot of complaints about cgminer 2.11.3 right now, I need to verify it functions correctly before I will add it to GUIminer

2 threads = 421Kh/s

This may help

1 card, 16 gb system ram. Cgminer allocates only about 40MB, video memory usage is 1133MB.

Here are some hashrate numbers at different frequencies:

Gpu/Mem   Hashrate~
800/790   555kH/s
800/870   555kH/s
850/930   585kH/s
850/1065   585kH/s
900/1000   620kH/s
900/1155   625kH/s
900/1310   620kH/s
925/1000   635kH/s
925/1001   400kH/s
950/1205   655kH/s
950/1370   650kH/s
963/1375   665kH/s
963/1220   670kH/s
1000/1250   660kH/s
1000/1251   450kH/s
1000/1455   690kH/s
1024/1475   710kH/s
1044/1500   720kH/s
1044/1501   495kH/s

Klear, if you can verify any of these work let me know
2057  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 06:37:29 PM


nope
2058  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 06:28:04 PM
The new version of cgminer, 2.11.3, with the scrypt updates is out:

https://bitcointalk.org/index.php?topic=28402.msg1633258#msg1633258

Don't forget it was donations that made me improve it Wink

Yeah, anyone using 2.11.3 please chime, mostly people are saying that either the program doesn't run or the kernel throws lots of invalids so I'm a little skeptical.

Quote
Quick test of scrypt mining on my Windows 7 machine.  Same everything.

2.11.2 - No HW errors.
2.11.3 - Lot of HW errors, very low accepted rate.

Don't have time to play with it so I sticking with 2.11.2 for now.

I've been playing a bit with cgminer (2.11.2 and 2.11.3) and scrypt during the last few hours.
So far the best performance I could achieve on my GV-R797OC-3GD on windows 7 x64 with catalyst 13.2b7 was around 720kH/s with the following settings:
Code:
cgminer.exe --scrypt -o http://xxx -u x -p x --intensity 13 -g 2 --thread-concurrency 8192 --lookup-gap 2 --gpu-engine 1044 --gpu-memclock 1500

a more conservative 620kH/s with
Code:
cgminer.exe --scrypt -o http://xxx -u x -p x --intensity 13 -g 2 --thread-concurrency 8192 --lookup-gap 2 --gpu-engine 900 --gpu-memclock 1155

and an even more conservative 550kH/s with
Code:
cgminer.exe --scrypt -o http://xxx -u x -p x --intensity 13 -g 2 --thread-concurrency 8192 --lookup-gap 2 --gpu-engine 800 --gpu-memclock 870

Increasing thread concurrency above 8192 with --lookup-gap 2 always returns an error like
Code:
Maximum buffer memory device 0 supports says 536870912
Your scrypt settings come to 1467482112
Error -61: clCreateBuffer (padbuffer8), decrease CT or increase LG

Lowering thread concurrency below 8192 always produces hardware errors.

With -g > 1 using any intensity higher or lower than 13 will result in lower hashrates.

With -g 1 higher than 13 intensities will more or less match -g 2 -I 13 hashrate at the expenses of system responsiveness.

Increasing lookup gap allows for higher thread concurrencies, but it won't improve performance.

Setting the correct core/memory ratio for your card is the most important tweak, even a small 10MHz difference can make you lose/gain 100-200kH/s.

2059  Bitcoin / Mining speculation / Re: Hashrate jump, Who can it be ? +60% to 53 Ths on: March 17, 2013, 06:18:08 PM
Probably someone testing new ASICs, like BFL.
2060  Alternate cryptocurrencies / Mining (Altcoins) / Re: Consolidated Litecoin Mining Guide for 5xxx, 6xxx, and 7xxx GPUs on: March 17, 2013, 06:10:51 PM
Try settings GPU threads to 2 instead of 1 for the 7970s.  That's the only thing I can think of.  If that fixes it, I'll update it in the next GUIminer release.

There are a lot of complaints about cgminer 2.11.3 right now, I need to verify it functions correctly before I will add it to GUIminer
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