Drop of hashrate for Polaris cards incoming

[thevictimofuktyranny]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

well it's not like ETH si the only coin that you can mine out there, plenty of choice are awaiting you, just mine somethign else, oh wait amd can not, because they are stuck with ETH, will be funny to see the huge hashrate desperately switch to another alt when ETH go pos

Actually, I went back and checked my posts from last year; I said the slowdown in rewards (slowing average block times) would start in April 2017 and it did start in April 2017.

14seconds to 14.3seconds average block time before April 8th.

Afterwards, slowed to around 14.8 seconds.

27th April slowed to around 15.2 seconds.

13th May slowed to around 15.85 seconds.

29 May slowed to over 16 seconds.

21 June slowed to over 17 seconds.

So far - there has been around 21.8% reduction of Ethereum rewards for POW.

[Tmdz]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

well it's not like ETH si the only coin that you can mine out there, plenty of choice are awaiting you, just mine somethign else, oh wait amd can not, because they are stuck with ETH, will be funny to see the huge hashrate desperately switch to another alt when ETH go pos

Actually, I went back and checked my posts from last year; I said the slowdown in rewards (slowing average block times) would start in April 2017 and it did start in April 2017.

14seconds to 14.3seconds average block time before April 8th.

Afterwards, slowed to around 14.8 seconds.

27th April slowed to around 15.2 seconds.

13th May slowed to around 15.85 seconds.

29 May slowed to over 16 seconds.

21 June slowed to over 17 seconds.

So far - there has around 21.8% reduction of Ethereum rewards for POW.

In july block times will increase to 30 seconds so it will be pretty bad then.

That could cripple the network considering the congestion currently is getting bad.

Which could mean panic sells and price dump among the fear.

[thevictimofuktyranny]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

well it's not like ETH si the only coin that you can mine out there, plenty of choice are awaiting you, just mine somethign else, oh wait amd can not, because they are stuck with ETH, will be funny to see the huge hashrate desperately switch to another alt when ETH go pos

Actually, I went back and checked my posts from last year; I said the slowdown in rewards (slowing average block times) would start in April 2017 and it did start in April 2017.

14seconds to 14.3seconds average block time before April 8th.

Afterwards, slowed to around 14.8 seconds.

27th April slowed to around 15.2 seconds.

13th May slowed to around 15.85 seconds.

29 May slowed to over 16 seconds.

21 June slowed to over 17 seconds.

So far - there has around 21.8% reduction of Ethereum rewards for POW.

In july block times will increase to 30 seconds so it will be pretty bad then.

That could cripple the network considering the congestion currently is getting bad.

Which could mean panic sells and price dump among the fear.

The price of Ethereum is high because mining rewards are being reduced. So, I'm sure the Ethereum price will do just fine - because people have been snapping up Ethereum because they know it will be rarer tomorrow, than today!

Congestion is being artificially created by the structure of Initial Coin Offerings - they do time limited offerings, which encourage people to try to watch the blockchain and then throw in their Eth at the last minute when they think it has been underfunded and they will get more of the new tokens for each Eth.

However, it is better to have all of this ICOs business in the long-run - a little short-term inconvenience always comes along with a rapidly growing ecosystem.

[indopool]

R9 280 can make mining

[QuintLeo]

What exactly is MooWrapper? Milkway?

Some type of Folding experiments?

 BOINC projects.

 Moo Wrapper enables BOINC participation in the distributed.net RC5-72 project (which I've been active in for almost 20 years now).

 Milkyway is mapping our galaxy, and is very reliant on DP FLOPS (which is where the Tahiti chips shine, somewhat less so Hawaii though they're sorta-close, and nothing current outside of workstation-specific cards and NOT ALL OF THOSE).



 The longer block times for ETH are going to hammer profitability some, unless ETH resumes it's price rise enough to compensate - THAT might be where the ETH mining crash ends up comming from, I'd forgotten about that part of Ice Age happening.

 The price of Ethereum has NOTHING to do with miners though - miners REACT to the effect of price on profitability they don't CAUSE the price to change.

[Mattthev]

R9 280 can make mining

Why not?

[dragonmike]

It's not the end of the world - and it's hardly a bomb. We'll see how Vega deals with it.

...and we'll see how AMD deals with it.
Legitreviews tested nvidia gpus vs polaris gpus at higher epochs and saw that nvidia gpus weren't affected almost at all. This suggests that AMD might be able to fix the issue in the driver.

If they do, we should all be happy chaps for a little longer.

[Tmdz]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

well it's not like ETH si the only coin that you can mine out there, plenty of choice are awaiting you, just mine somethign else, oh wait amd can not, because they are stuck with ETH, will be funny to see the huge hashrate desperately switch to another alt when ETH go pos

Actually, I went back and checked my posts from last year; I said the slowdown in rewards (slowing average block times) would start in April 2017 and it did start in April 2017.

14seconds to 14.3seconds average block time before April 8th.

Afterwards, slowed to around 14.8 seconds.

27th April slowed to around 15.2 seconds.

13th May slowed to around 15.85 seconds.

29 May slowed to over 16 seconds.

21 June slowed to over 17 seconds.

So far - there has around 21.8% reduction of Ethereum rewards for POW.

In july block times will increase to 30 seconds so it will be pretty bad then.

That could cripple the network considering the congestion currently is getting bad.

Which could mean panic sells and price dump among the fear.

The price of Ethereum is high because mining rewards are being reduced. So, I'm sure the Ethereum price will do just fine - because people have been snapping up Ethereum because they know it will be rarer tomorrow, than today!

Congestion is being artificially created by the structure of Initial Coin Offerings - they do time limited offerings, which encourage people to try to watch the blockchain and then throw in their Eth at the last minute when they think it has been underfunded and they will get more of the new tokens for each Eth.

However, it is better to have all of this ICOs business in the long-run - a little short-term inconvenience always comes along with a rapidly growing ecosystem.

No the price of ETH was much higher $400 while mining rewards were higher and now less rewards yet price has slide down nearly $80

Look at this chart and tell me if you think 30 sec or 1 min  block times won't cause problems https://etherchain.org/charts/capacity

[thevictimofuktyranny]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

well it's not like ETH si the only coin that you can mine out there, plenty of choice are awaiting you, just mine somethign else, oh wait amd can not, because they are stuck with ETH, will be funny to see the huge hashrate desperately switch to another alt when ETH go pos

Actually, I went back and checked my posts from last year; I said the slowdown in rewards (slowing average block times) would start in April 2017 and it did start in April 2017.

14seconds to 14.3seconds average block time before April 8th.

Afterwards, slowed to around 14.8 seconds.

27th April slowed to around 15.2 seconds.

13th May slowed to around 15.85 seconds.

29 May slowed to over 16 seconds.

21 June slowed to over 17 seconds.

So far - there has around 21.8% reduction of Ethereum rewards for POW.

In july block times will increase to 30 seconds so it will be pretty bad then.

That could cripple the network considering the congestion currently is getting bad.

Which could mean panic sells and price dump among the fear.

The price of Ethereum is high because mining rewards are being reduced. So, I'm sure the Ethereum price will do just fine - because people have been snapping up Ethereum because they know it will be rarer tomorrow, than today!

Congestion is being artificially created by the structure of Initial Coin Offerings - they do time limited offerings, which encourage people to try to watch the blockchain and then throw in their Eth at the last minute when they think it has been underfunded and they will get more of the new tokens for each Eth.

However, it is better to have all of this ICOs business in the long-run - a little short-term inconvenience always comes along with a rapidly growing ecosystem.

No the price of ETH was much higher $400 while mining rewards were higher and now less rewards yet price has slide down nearly $80

Look at this chart and tell me if you think 30 sec or 1 min  block times won't cause problems https://etherchain.org/charts/capacity

Price adjustment started around the beginning of March - one month before the reductions in Ethereum mining rewards. Reductions in Ethereum reward was scheduled to begin at the beginning of April.

And, it has continued to rise as reductions in Ethereum POW mining rewards has been realised.

This, is quite normal, for cryptos with reductions in their POW mining rewards.  

[Cereberus]

R9 280 can make mining

It can do without any problem. The best coin it can mine is the Zcash but the problem with that card is that it consumes a lot of energy so it is not that profitable compared with the RX 4xx and 5xx series, there is a big difference between the two. If you have it in your PC you can start mining if you like to test the waters.

[sstercan]

what about gtx 1060? anyone test it and share results?

[sundownz]

what about gtx 1060? anyone test it and share results?

They work well... with "full size" GTX1060 (dual fan) I'm seeing 4 of them equal to about three 1070s all at stock speeds.

The "mini" single fan ones are a bit behind that rate... the MSI Mini ones are the better of what I've tried, the EVGA Mini runs 10 degrees C hotter... luckily only got two of the EVGA.

I can't say that I've sat down & heavily tuned them... just drop power down in Afterburner and they are quite efficient.

[jmigdlc99]

I do believe this is not the right thread to start asking which card works for mining.

Going back to the topic, would it be safe to say that new miners still have until December 2017 to reach ROI before the difficulty bomb freezes everything?

[adaseb]

The difficulty bomb will go away in August with the Metropolis release. However there are talks of reduced blocks rewards instead.

[Wetlint]

R9 280 can make mining

Use that card for ZEC.

[nerdralph]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

This has nothing to do with the diff bomb. This has to do with the hardware architecture of the cards. The reason it started now is because DAG size is over 2GB. In a simplified manner, you could see it as part of DAG now physically ending up on a different IC. This causes the memory controller to switch the IC it reads from more often. The larger the DAG, the bigger the part of the DAG that ends up on a different IC, the more switching it has to do.     

Polairs (and Tonga) both have 4 channels, with 2 GDDR5 chips per channel, making a total of 8 chips.  Each chip does 32-byte burst xfers, so 2 chips provide a single 64-byte cache line.  The memory layout switches channels every 256 bytes (4 cache lines).
http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/opencl-optimization-guide/#50401334_pgfId-472173

AMD docs say the cards use a direct-mapped cache, which means TLB thrashing can't be the problem since there is no TLB.  It sounds a lot like the Pitcairn performance issues as the memory working set grows beyond 1GB (except the issue starts at 2GB with GCN3 devices).  I haven't had much time for coding over the past few months, but hopefully I'll have some time over the summer to figure out what's really going on here.

[adaseb]

... it seems you all don´t get it:

You can´t escape the difficulty bomb !

Do your own research or cry later !

 

This has nothing to do with the diff bomb. This has to do with the hardware architecture of the cards. The reason it started now is because DAG size is over 2GB. In a simplified manner, you could see it as part of DAG now physically ending up on a different IC. This causes the memory controller to switch the IC it reads from more often. The larger the DAG, the bigger the part of the DAG that ends up on a different IC, the more switching it has to do.     

Polairs (and Tonga) both have 4 channels, with 2 GDDR5 chips per channel, making a total of 8 chips.  Each chip does 32-byte burst xfers, so 2 chips provide a single 64-byte cache line.  The memory layout switches channels every 256 bytes (4 cache lines).
http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/opencl-optimization-guide/#50401334_pgfId-472173

AMD docs say the cards use a direct-mapped cache, which means TLB thrashing can't be the problem since there is no TLB.  It sounds a lot like the Pitcairn performance issues as the memory working set grows beyond 1GB (except the issue starts at 2GB with GCN3 devices).  I haven't had much time for coding over the past few months, but hopefully I'll have some time over the summer to figure out what's really going on here.

Could this have anything to do with the memory straps? Maybe with stock straps it doesn't slow down with every new DAG

[rednoW]

Could this have anything to do with the memory straps? Maybe with stock straps it doesn't slow down with every new DAG

LOL )) funny but I see such sentences not for a first time.
No, std straps won't help you. )))
Moreover, even Hawaii - now top performer - will go to 17mhs on epoch 333 ))

[toptek]

Drop of hashrate for Polaris cards incoming

when that happens mine other coins and adjust ...  i don't mine ETH much now any way .... I'll buy it from time to time and trade. an  i hate trading  . and would rather mine what i make ...so pretty much i buy eth if I want any , so it won't brother me ..

ETC might pick up more ...

[nerdralph]

Polairs (and Tonga) both have 4 channels, with 2 GDDR5 chips per channel, making a total of 8 chips.  Each chip does 32-byte burst xfers, so 2 chips provide a single 64-byte cache line.  The memory layout switches channels every 256 bytes (4 cache lines).
http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/opencl-optimization-guide/#50401334_pgfId-472173

AMD docs say the cards use a direct-mapped cache, which means TLB thrashing can't be the problem since there is no TLB.  It sounds a lot like the Pitcairn performance issues as the memory working set grows beyond 1GB (except the issue starts at 2GB with GCN3 devices).  I haven't had much time for coding over the past few months, but hopefully I'll have some time over the summer to figure out what's really going on here.

Could this have anything to do with the memory straps? Maybe with stock straps it doesn't slow down with every new DAG

No, not possible.