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makomk
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November 01, 2011, 05:40:49 PM
 #21

True but as you state it wasn't intentional.  There is no guarantee SHA-256 will be efficient on the new 79xx series card which use a new architecutre.  Nvidia has indicated they intend to improve GPGPU integer performance so future cards may close the performance gap.  There is no way to know how well algorithms will work on future FPGA or Structured ASIC designs.
From the currently available information, it's looking like 79xx should be at least as efficient at it as previous generations of AMD cards; all the parts still seem to be there. No idea about NVidia though. FPGA and structured ASIC is more dependent on what kind of pricing you can get than anything else.

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deepceleron
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November 01, 2011, 05:58:37 PM
 #22

The point they seem to be discussing is, with the availability of cloud computing rental services, if you want to generate a few blocks in a row on any of these ponzicoins for nefarious purposes, all you have to do is rent the horsepower to do it. However, you can just wait for the creators of any of these faulternate blockchains to let them fizzle after they pump-and-dump, and then you can be the only one mining anyway (that is, if it's not completely broken by poorly informed implementation.)

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November 01, 2011, 06:01:58 PM
 #23

True but as you state it wasn't intentional.  There is no guarantee SHA-256 will be efficient on the new 79xx series card which use a new architecutre.  Nvidia has indicated they intend to improve GPGPU integer performance so future cards may close the performance gap.  There is no way to know how well algorithms will work on future FPGA or Structured ASIC designs.
From the currently available information, it's looking like 79xx should be at least as efficient at it as previous generations of AMD cards; all the parts still seem to be there. No idea about NVidia though. FPGA and structured ASIC is more dependent on what kind of pricing you can get than anything else.

The next gen is going to be different.

AMD is keeping the 78xx series card the "same".  It is simply a die shrink.  Same GPU, more shaders, smaller, cooler, faster, cheaper.  We can make pretty good gueses as to performance per watt and performance per $.

The 79xx however is a completely new architecture (code named "graphics core next", with new instruction set, and shader design.  There are also signficant hardware changes both inside and outside the GPU.  The cards will move to higher cost but lower latency XDR2 ram for example.

How well it stacks up on both MH/w and MH/$ remains to be seen.  
Raoul Duke
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November 01, 2011, 06:03:03 PM
 #24

The point they seem to be discussing is, with the availability of cloud computing rental services, if you want to generate a few blocks in a row on any of these ponzicoins for nefarious purposes, all you have to do is rent the horsepower to do it. However, you can just wait for the creators of any of these faulternate blockchains to let them fizzle after they pump-and-dump, and then you can be the only one mining anyway (that is, if it's not completely broken by poorly informed implementation.)

How dare you to be rational when it doesn't fit douchebagexpress agenda? Roll Eyes

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November 01, 2011, 07:23:11 PM
 #25

The point they seem to be discussing is, with the availability of cloud computing rental services, if you want to generate a few blocks in a row on any of these ponzicoins for nefarious purposes, all you have to do is rent the horsepower to do it. However, you can just wait for the creators of any of these faulternate blockchains to let them fizzle after they pump-and-dump, and then you can be the only one mining anyway (that is, if it's not completely broken by poorly informed implementation.)

How dare you to be rational when it doesn't fit douchebagexpress agenda? Roll Eyes

Not sure what your point is Psy.

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Raoul Duke
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November 01, 2011, 07:35:46 PM
 #26

The point they seem to be discussing is, with the availability of cloud computing rental services, if you want to generate a few blocks in a row on any of these ponzicoins for nefarious purposes, all you have to do is rent the horsepower to do it. However, you can just wait for the creators of any of these faulternate blockchains to let them fizzle after they pump-and-dump, and then you can be the only one mining anyway (that is, if it's not completely broken by poorly informed implementation.)

How dare you to be rational when it doesn't fit douchebagexpress agenda? Roll Eyes

Not sure what your point is Psy.

Then you should put your brain to work.

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November 01, 2011, 07:45:07 PM
 #27

The point they seem to be discussing is, with the availability of cloud computing rental services, if you want to generate a few blocks in a row on any of these ponzicoins for nefarious purposes, all you have to do is rent the horsepower to do it. However, you can just wait for the creators of any of these faulternate blockchains to let them fizzle after they pump-and-dump, and then you can be the only one mining anyway (that is, if it's not completely broken by poorly informed implementation.)

How dare you to be rational when it doesn't fit douchebagexpress agenda? Roll Eyes

Not sure what your point is Psy.

Then you should put your brain to work.


Far as I can tell you're implying that only BEX would rent CPU power to attack a CPU coin when there is actually an exchange, and it would be far smarter to mine once the exchanges are all closed?

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November 01, 2011, 08:07:33 PM
 #28

The point they seem to be discussing is, with the availability of cloud computing rental services, if you want to generate a few blocks in a row on any of these ponzicoins for nefarious purposes, all you have to do is rent the horsepower to do it. However, you can just wait for the creators of any of these faulternate blockchains to let them fizzle after they pump-and-dump, and then you can be the only one mining anyway (that is, if it's not completely broken by poorly informed implementation.)

How dare you to be rational when it doesn't fit douchebagexpress agenda? Roll Eyes

Not sure what your point is Psy.

Then you should put your brain to work.


Far as I can tell you're implying that only BEX would rent CPU power to attack a CPU coin when there is actually an exchange, and it would be far smarter to mine once the exchanges are all closed?

Not really... I was just implying that deepceleron was being rational and that his reasoning wasn't what BCX intended when he posted this thread with the title he used and incomplete logs that could be wrongly interpreted by people who don't pay much attention to details.
I guess I could've told you this in my previous post... sorry.


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November 01, 2011, 09:26:28 PM
 #29

The 79xx however is a completely new architecture (code named "graphics core next", with new instruction set, and shader design.  There are also signficant hardware changes both inside and outside the GPU.  The cards will move to higher cost but lower latency XDR2 ram for example.

How well it stacks up on both MH/w and MH/$ remains to be seen.  
Information about the new instruction set actually leaked ages ago, and it looks promising on paper.

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November 01, 2011, 09:48:27 PM
 #30

The 79xx however is a completely new architecture (code named "graphics core next", with new instruction set, and shader design.  There are also signficant hardware changes both inside and outside the GPU.  The cards will move to higher cost but lower latency XDR2 ram for example.

How well it stacks up on both MH/w and MH/$ remains to be seen.  
Information about the new instruction set actually leaked ages ago, and it looks promising on paper.

Please provide a cite.
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November 01, 2011, 11:18:34 PM
 #31

[sigh]  Can't tell if they are just talking shit or actually making a plan to execute.

Who cares.  Bunch of retards in that camp anyway.   LTC is doing well and it sounds like they're feeling threatened to me.  So they should be Smiley

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Regardless, it's further demonstration of why any reasonable people should stay as far away from RS/CH and SolidCoin as possible.

Yup.
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November 02, 2011, 12:48:18 AM
 #32

The hashrate of the litecoin network just shot up from 8 Mhash/s to 13 Mhash/s.

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November 02, 2011, 01:32:13 AM
 #33

The hashrate of the litecoin network just shot up from 8 Mhash/s to 13 Mhash/s.

That is close to the botnet scum that show up every day around this time...

The fact that it is the same time makes me think system admin.  Either rouge or authorized.  When users go home he has x thousands of machines that can hash.  Hopefully it is a rogue admin so eventually he gets caught.
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November 02, 2011, 01:34:21 AM
 #34

The hashrate of the litecoin network just shot up from 8 Mhash/s to 13 Mhash/s.

Now it is up to around 15, right around half the network.  And all of it in the "other" category, not in one of the pools.  It could be an attack, or it could be a user with a lot of cpu's.  Should make for an interesting couple of hourse.
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November 02, 2011, 01:41:41 AM
 #35



Quite interesting.

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November 02, 2011, 01:50:30 AM
 #36

That's not a 51%, that's a 66%  Grin

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November 02, 2011, 01:53:35 AM
 #37

Well the unknown wasn't '0' before hand, so much of that unknown is probably honest solo miners.

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November 02, 2011, 01:54:58 AM
 #38

Well the unknown wasn't '0' before hand, so much of that unknown is probably honest solo miners.

There's no way to find out that  Grin

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johnj
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November 02, 2011, 01:57:27 AM
 #39

Well the unknown wasn't '0' before hand, so much of that unknown is probably honest solo miners.

There's no way to find out that  Grin

Ahh yeah, I have no idea how to check blockchain stuff.  I'm sure other folks do, it'll be interesting to see if they're legitimite miners, or if someone is trying to pull off something malicious.


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Raoul Duke
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November 02, 2011, 01:59:16 AM
 #40

Well the unknown wasn't '0' before hand, so much of that unknown is probably honest solo miners.

Well SC is down 5mh/s at the moment on the coinotron so could well be them and the ~4mh/s in bot machines that show up at this time of day making it all up.

Wouldn't the 4MH/s from coinotron continue mining in coinotron if it was like that?

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