Christmas money pouring into Newegg....

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Message 1913771 - Posted: 18 Jan 2018, 18:12:48 UTC - in response to Message 1913765.  
Last modified: 18 Jan 2018, 18:13:10 UTC

It is especially hard to find 1070's as they are the product most in demand by the miners. The 1070 easily surpasses any 1080 in hash rate. Crypto miners won't touch a 1080, so they are left for the gamers to purchase.
Could you please explain to someone who has never done crypto, how a 1070 can outperform a 1080? Would that be productivity/watt, or some other metric, or just somehow is faster?

I was wondering the same thing.
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Message 1913773 - Posted: 18 Jan 2018, 18:26:04 UTC
Last modified: 18 Jan 2018, 18:28:55 UTC

For Info.

Mining Benchmark.

GPUs
- 509 Sol/s : NVIDIA GeForce GTX 1080 11Gbps @Stock mit EWBF's Zcash CUDA miner 0.3.4b
- 481 Sol/s : AMD Radeon Vega Frontier Edition @Stock mit Claymore ZCash Miner V12.6 (von Yoshi 2k3)
- 453 Sol/s : NVIDIA GeForce GTX 1070 @Stock mit EWBF's Zcash CUDA miner 0.3.4b
- 359 Sol/s : AMD Radeon Vega Frontier Edition @Stock mit sgminer 5.5.5-gm (von Yoshi 2k3)
- 325 Sol/s : AMD Radeon R9 290 @Stock mit Claymore's AMD GPU miner v12.5
- 305 Sol/s : AMD Radeon RX 480 (XFX GTR 8 GB umgeflasht zur RX 580) @Stock mit Claymore ZCash Miner V12.5 (von Gozu)
- 303 Sol/s : AMD Radeon RX 580 (XFX XXX 8 GB) @Stock mit Claymore ZCash Miner V12.5 (von Gozu)
- 275 Sol/s : AMD Radeon RX 470 @Stock mit Claymore's AMD GPU miner v12.5
- 270 Sol/s : NVIDIA GeForce GTX 1060 3G @Stock mit EWBF's Zcash CUDA miner 0.3.4b
- 239 Sol/s : AMD Radeon HD 7950 (Asus DirectCU II 3 GB) @Stock mit Claymore ZCash Miner V12.5 (von Gozu)
- 238 Sol/s : NVIDIA GeForce GTX 970 @Stock mit EWBF's Zcash CUDA miner 0.3.4b
- 225 Sol/s : AMD Radeon R9 380X @Stock mit Claymore's AMD GPU miner v12.5
- 094 Sol/s : AMD Radeon HD 7750 (Asus DirectCU II 1 GB) @Stock mit Claymore ZCash Miner V12.5 (von Gozu)
- 060 Sol/s : NVIDIA GeForce GTX 670 @Stock mit EWBF's Zcash CUDA miner 0.3.4b
- 024 Sol/s : NVIDIA GeForce GTX 570 @Stock mit EWBF's Zcash CUDA miner 0.3.4b
- 006 Sol/s : AMD Radeon R4 (AMD A6-6310) @Stock mit mit Claymore ZCash Miner V12.5 unter Windows 7 x64
- 004 Sol/s : AMD Radeon HD 8670D (AMD A10-6800K) @Stock mit sgminer 5.5.5-gm (von Gozu)

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Message 1913776 - Posted: 18 Jan 2018, 18:28:36 UTC

So... the 1080 is the fastest? Color me confused.

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Message 1913777 - Posted: 18 Jan 2018, 18:32:28 UTC - in response to Message 1913776.  
Last modified: 18 Jan 2018, 18:33:10 UTC

I thought it had to do with cost of electricity to mine a certain percentage of coin relative to what you paid and how long it will take to recoop the cost. Also, you don’t run them flat out. There’s a power curve where you want the optimal current, usually less than full speed. I don’t do it but got a friend that does
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Message 1913780 - Posted: 18 Jan 2018, 18:50:11 UTC

I would guess in the mining world capital cost and running cost both come into the equation.
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Message 1913811 - Posted: 18 Jan 2018, 21:10:50 UTC - in response to Message 1913765.  

It is especially hard to find 1070's as they are the product most in demand by the miners. The 1070 easily surpasses any 1080 in hash rate. Crypto miners won't touch a 1080, so they are left for the gamers to purchase.
Could you please explain to someone who has never done crypto, how a 1070 can outperform a 1080? Would that be productivity/watt, or some other metric, or just somehow is faster?

Its because of the GDDR5X memory used on the 1080. The 1070 uses normal GDDR5 memory. The memory bandwidth is greater on the 1070 than the 1080 for crypto mining. The hash rate is how crypto miners benchmark hardware. The hash rate for 1070's is larger than the hashrate for 1080's. This is a well documented and published discovery in the crypto mining community. I have never done crypto mining either. I do read about how miners get the most performance out of their gpu miners and came to this known fact.
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Message 1913812 - Posted: 18 Jan 2018, 21:14:21 UTC
Last modified: 18 Jan 2018, 21:17:48 UTC

The benchmarks posted I have not seen before. The commentary in all the crypto Reddit posts and forum threads said the 1070 was preferred over the 1080. Must be because of the power usage per sol or something.

From a Reddit post:
Only some algorithms depend on memory performance. DaggerHashimoto (Ether) is pretty much the one of most concern. Honestly, since Eth is not a top performing coin right now, it doesn't matter.

The 1070 Ti is untested so far, but it will likely outperform the 1080.

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Message 1913864 - Posted: 19 Jan 2018, 1:21:38 UTC
Last modified: 19 Jan 2018, 1:24:13 UTC

More GPUs at EVGA.. GO quick!!

edit..

1080Ti

https://www.evga.com/products/product.aspx?pn=11G-P4-6593-KR
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Message 1913885 - Posted: 19 Jan 2018, 2:04:49 UTC

Already gone. I am still holding out for a Hybrid card. Two in fact for the middle card in my gpu sandwiches.
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Message 1913892 - Posted: 19 Jan 2018, 2:27:38 UTC
Last modified: 19 Jan 2018, 2:28:49 UTC

There are a couple 1080Ti Hybrids, and a couple 1080 non-Ti air cooled cards available right now, but no 1070Ti's sadly. Also some 1050 & 1030s still. As well as a couple 1060's.

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Message 1913922 - Posted: 19 Jan 2018, 4:26:32 UTC

Will be interesting to see how long this pricing surge lasts, as both South Korea and China have announced plans to regulate (Sth Korea) all the way to shutting down exchanges & large scale trading, and even mining (China).

Bitcoin price tumbles after South Korea joins cryptocurrency crackdown
China deals major blow to bitcoin industry by vowing to stamp out crypto mining
China set to escalate its cryptocurrency crackdown
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Message 1913928 - Posted: 19 Jan 2018, 4:41:26 UTC - in response to Message 1913922.  

This whole crypto mining craze is a textbook example of the "irrational exuberance" speculative bubble that goes back to the Dutch Tulip bubble in the 1600's That is why every financial expert has said to stay away from it. BTC is down 50% from its high in mid-December. There are going to be some major failings that will cull the market. The blockchain technology is here to stay but won't be tied with currency solely.
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Message 1914184 - Posted: 20 Jan 2018, 9:45:38 UTC

A Dutch supercomputer called ARTS that searches for Fast Radio Bursts (FRBs) may be at the base of the shortage of GTX 1080 Tis in The Netherlands, as it sports 200 of them (plus probably at least as many for replacement in case of defects).

Fast Radio Bursts (FRBs) are extremely bright flashes of radio light, that travel billions of light years to reach Earth. Discovered over a decade ago, their origin and nature are still largely a mystery. Because the flashes last only a fraction of a second, they are easy to miss and very difficult to observe. Therefore, only about 25 FRBs have been discovered so far.

That is now going to change with Apertif, the new wide-field cameras for ASTRON's radio telescope in Westerbork, the Netherlands. Apertif has the largest, most sensitive field of view of all radio telescopes in the world.

To find FRBs, Apertif needs to continuously make a high-speed movie of the radio sky, at 20.000 frames per second. This requires new, more powerful brains. "To form and process all those images, we need the computing power that only the fastest supercomputers in the world can produce", says Joeri van Leeuwen from ASTRON and the University of Amsterdam. "But we did not have such a computer yet. That’s why we designed and built this one ourselves."


Tweakers.net has a Dutch article about the speed it reaches (2 PFlops)

Numbers:
Data rate: 4Tbit/sec
Storage: 2 petabyte on 320 HDDs (*)
Speed: 20,000 8bit images per second

(*) because these can be written to continuously, whereas when SSDs are used, once these are full, write speed drops immediately to zero.
Also, the amount of SSDs one can add in a server is finite. Aside from some absurd/stupidly priced 60TB/16TB SSDs, the comparison was made between normally available hard drives and solid state drives. It was found that for maximum space, one HDD's space would need several SSDs. And since write speed isn't an issue (150MB/sec on average is enough), the choice was to add 320 HDDs.

Fun image: Seti would be jealous.

Not all of the 4Tbit/sec is stored. Pre-processing by 50 nodes cuts that down enormously.. These nodes consist of:
CPU: Dual Intel Xeon E5-2680v3 2.5 GHz (12 cores, HyperThreading disabled)
Memory: 256GB @ 2133 MHz
Disk: 2x 300GB 10Krpm SAS RAID
Network: 2x 1GbE, 2x 10GbE, 1x FDR InfiniBand
Part of which have 4 TESLA K40C GPUs.
Jord

Ancient Astronaut Theorists can tell you that I do not help with tech questions via private message. Please use the forums for that.
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Message 1914245 - Posted: 20 Jan 2018, 17:20:36 UTC - in response to Message 1914184.  

A Dutch supercomputer called ARTS that searches for Fast Radio Bursts (FRBs) may be at the base of the shortage of GTX 1080 Tis in The Netherlands, as it sports 200 of them (plus probably at least as many for replacement in case of defects).

Fast Radio Bursts (FRBs) are extremely bright flashes of radio light, that travel billions of light years to reach Earth. Discovered over a decade ago, their origin and nature are still largely a mystery. Because the flashes last only a fraction of a second, they are easy to miss and very difficult to observe. Therefore, only about 25 FRBs have been discovered so far.

That is now going to change with Apertif, the new wide-field cameras for ASTRON's radio telescope in Westerbork, the Netherlands. Apertif has the largest, most sensitive field of view of all radio telescopes in the world.

To find FRBs, Apertif needs to continuously make a high-speed movie of the radio sky, at 20.000 frames per second. This requires new, more powerful brains. "To form and process all those images, we need the computing power that only the fastest supercomputers in the world can produce", says Joeri van Leeuwen from ASTRON and the University of Amsterdam. "But we did not have such a computer yet. That’s why we designed and built this one ourselves."


Tweakers.net has a Dutch article about the speed it reaches (2 PFlops)

Numbers:
Data rate: 4Tbit/sec
Storage: 2 petabyte on 320 HDDs (*)
Speed: 20,000 8bit images per second

(*) because these can be written to continuously, whereas when SSDs are used, once these are full, write speed drops immediately to zero.
Also, the amount of SSDs one can add in a server is finite. Aside from some absurd/stupidly priced 60TB/16TB SSDs, the comparison was made between normally available hard drives and solid state drives. It was found that for maximum space, one HDD's space would need several SSDs. And since write speed isn't an issue (150MB/sec on average is enough), the choice was to add 320 HDDs.

Fun image: Seti would be jealous.

Not all of the 4Tbit/sec is stored. Pre-processing by 50 nodes cuts that down enormously.. These nodes consist of:
CPU: Dual Intel Xeon E5-2680v3 2.5 GHz (12 cores, HyperThreading disabled)
Memory: 256GB @ 2133 MHz
Disk: 2x 300GB 10Krpm SAS RAID
Network: 2x 1GbE, 2x 10GbE, 1x FDR InfiniBand
Part of which have 4 TESLA K40C GPUs.


holy cow!
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Message 1914268 - Posted: 20 Jan 2018, 19:46:40 UTC

What kind of backplane would they use to put 200 top end GPUS together in a string? In the world here where us mere mortals reside, we're lucky to get 3 x16 slots in one board, maybe a few more with dual proc systems designed with some addl PCIe lanes, but still, nothing even close to resembling something that could handle that many cards running full bore at once. As it is being done though, I guess all it takes is $, eh? :-)

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Message 1914283 - Posted: 20 Jan 2018, 21:10:10 UTC - in response to Message 1914268.  

I don't think that you would backplane all the gpus. Don't think that is possible. I would think they would use some form of the Hypertransport optical links that they use for cpu clusters in supercomputers. If you can put cpus onto that kind of link, you probably can do the same with gpus.
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Message 1914290 - Posted: 20 Jan 2018, 21:42:05 UTC

An interesting use of consumer grade GPUs.
CHIME Telescope
GPU-based Correlator X-engine

I figure 4 or 5 clusters like they have could crunch all of the seti@home data.
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Message 1914458 - Posted: 21 Jan 2018, 19:25:04 UTC

https://hothardware.com/news/nvidia-tells-retailers-to-sell-to-gamers-not-cryptominers

doubt if retailers will pay much heed to anything Nvidia says about selling practices.
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Message 1914459 - Posted: 21 Jan 2018, 19:29:48 UTC - in response to Message 1914458.  

https://hothardware.com/news/nvidia-tells-retailers-to-sell-to-gamers-not-cryptominers

doubt if retailers will pay much heed to anything Nvidia says about selling practices.

I agree. The retailers will just chase the dollars. They could care less where they come from. The crypto miners are flush with cash from their profits. They will continue to buy up all available stock in large batches.
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Message 1914465 - Posted: 21 Jan 2018, 20:23:36 UTC

Think that there's any chance that Nvidia will monitor etailers, and if they see that they are selling them in quantities of more than say 2 per cust, they'll have their partners shut down their supply? Pie in the sky I know, but this can't be good for them in the long run, esp if/when the market crashes again and gets flooded with 10,000s of used cards. Though as usual, $ talks...

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Message boards : Number crunching : Christmas money pouring into Newegg....


 
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