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Offline bytemaster


I am looking for a GPU implementation of  momentum_search( seed ) call used in my miners.

Algorithm should operate like so:

Generate 2^26/8  SHA512 hashes in parallel and store them in memory (GPU can do this)
Use GPU sorting (OpenCL only please) to sort the birthdays.
Use the GPU to compare neighbors and check for a collision

If we can make this faster than a CPU then it will shutdown all the cloud servers.   Once again, Open CL only.

If you would like to co-sponsor this bounty, you may send PTS to:  PbNDip4URh2QDmctBohoNbiAQDJXWSuDKF
« Last Edit: November 16, 2013, 09:25:12 PM by bytemaster »
For the latest updates checkout my blog: http://bytemaster.bitshares.org
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Offline iruu

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #1 on: November 16, 2013, 09:06:51 PM »
[email protected] BTC

Even at hour wage for a competent gpu programmer that's a slave's pay - but if someone were to make this he could make way more just by mining
« Last Edit: November 16, 2013, 09:14:00 PM by iruu »

Offline bytemaster

Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #2 on: November 16, 2013, 09:10:42 PM »
[email protected] BTC

Hey... if anyone else wants to add to the bounty, make my day :)
For the latest updates checkout my blog: http://bytemaster.bitshares.org
Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline legitnick

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #3 on: November 16, 2013, 09:20:20 PM »
I add 15 pts to the bounty!

Offline pankkake

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #4 on: November 16, 2013, 09:39:42 PM »
Just switch to sha256 merged mining. You'll have dedicated miners and the most secure network (after Bitcoin).

By the way, I don't really understand how "cloud mining" being replaced by "15 year old gamers in their mom's basements" are a good thing.

Offline bytemaster

Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #5 on: November 16, 2013, 09:40:35 PM »
GPU is still decentralized ASIC not so much


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Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline pankkake

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #6 on: November 16, 2013, 09:41:58 PM »
GPU is still decentralized ASIC not so much
I don't think you understand that word.
By the way, how many GPU manufacturers are out there?

Quote
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Yeah, talk about decentralization.

Offline bytemaster

Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #7 on: November 16, 2013, 09:42:50 PM »
It is about how many people have access to those GPUs. 


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Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline ikswobel

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #8 on: November 16, 2013, 09:44:02 PM »
Sorry but this makes not a good picture of your project for me. First of all this posting is telling everything:
Quote
Even at hour wage for a competent gpu programmer that's a slave's pay - but if someone were to make this he could make way more just by mining
That can not be possible that you act like a newb in the business, with so much coins in the game -.-

Offline bytemaster

Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #9 on: November 16, 2013, 09:51:53 PM »

Sorry but this makes not a good picture of your project for me. First of all this posting is telling everything:
Quote
Even at hour wage for a competent gpu programmer that's a slave's pay - but if someone were to make this he could make way more just by mining
That can not be possible that you act like a newb in the business, with so much coins in the game -.-

Since Observing this launch I have come to the conclusion that the ideal proof of work should be GPU friendly but not ASIC Friendly. 

I have also concluded that  rapid issuance of the money supply is a good thing    Because it reduces the time period during which ASIC can be developed  at extreme profit. 

Just trying to do our best. 






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For the latest updates checkout my blog: http://bytemaster.bitshares.org
Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline pankkake

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #10 on: November 16, 2013, 09:55:53 PM »
It is about how many people have access to those GPUs. 
I fail to see how ASICs are harder to get.
If you think it's because most ASICs are bought at a loss, well, here's the news: without ASICs the frenzy of wanting free money would have continued for Bitcoin, and it would have been losses too. Unless, you know, you're mining in your parent's basement.

Offline iruu

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #11 on: November 16, 2013, 10:07:36 PM »
GPU algorithms are better for botnets (only recently). As of now, all cloud gpus are nvidias, but botnets can use users' gpus. Nowadays even a $200 amd pc has a powerful apu (or intel with cheap radeon, etc). 

I mean, even on reddit there's an ama - I think it was about 1.5 year ago - with a botnet operator. He mined bitcoins on users' gpus...

Now people without botnets at least can mine, it's not like renting servers is somehow restricted to wealthy individuals.

Edit, found
Most important quote from ama (although not from author):
Quote
Asian installs are very cheap, 15$/1000 installs and have good GPUs.
http://www.reddit.com/r/IAmA/comments/sq7cy/iama_a_malware_coder_and_botnet_operator_ama/c4mu8oj

So, yeah.

« Last Edit: November 16, 2013, 10:47:45 PM by iruu »

Offline legitnick

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #12 on: November 16, 2013, 10:12:07 PM »

Sorry but this makes not a good picture of your project for me. First of all this posting is telling everything:
Quote
Even at hour wage for a competent gpu programmer that's a slave's pay - but if someone were to make this he could make way more just by mining
That can not be possible that you act like a newb in the business, with so much coins in the game -.-

Since Observing this launch I have come to the conclusion that the ideal proof of work should be GPU friendly but not ASIC Friendly. 

I have also concluded that  rapid issuance of the money supply is a good thing    Because it reduces the time period during which ASIC can be developed  at extreme profit. 

Just trying to do our best. 






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This, GPU's will curb those operating botnets/access to large data centers.

Offline pankkake

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #13 on: November 16, 2013, 10:12:48 PM »
CPU ones are good for botnets too. Actually, they can use both at the same time ;)

On PTS the requirement of about 512 mb per thread is pretty low as most computers have that per core. I actually wonder why it has not been set higher, as it can get much harder to get (many architectures have hard limits).

Offline Amazon

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Re: Time to Shutdown Cloud Mining - 1 BTC Bounty for GPU Implementation
« Reply #14 on: November 16, 2013, 10:18:38 PM »

Since Observing this launch I have come to the conclusion that the ideal proof of work should be GPU friendly but not ASIC Friendly. 

I have also concluded that  rapid issuance of the money supply is a good thing    Because it reduces the time period during which ASIC can be developed  at extreme profit. 

Just trying to do our best. 


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Mind to share how you draw the conclusion that the ideal POW should be GPU friendly? What about CPU, it is not ideal because of botnet and cloud servers???? I personally know two guys, each owns at least 5000 pieces of 7950.

How come the POW theory changed suddenly..

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