[ANN][BLC] Blakecoin Blake-256 for GPU/FPGA With Merged Mined Pools Stable Net

[smolen]

x1 Diamond 7990 - 5.1GH/s @ 500W/h - 32 blocks
x2 MSI Twin 7950 - 4.1GH/s @ 600W/h - 15 blocks
x1 MSI Twin 7950 - 1.6GH/s @ 285W/h - 9 blocks
x1 Gigabyte 7950 - 1.7 GH/s @ 325W/h - 7 blocks

I'm using Kill-a-Watt meters on each rig to check power.  Also, all of the cards are running fairly cool (low 70Cs) compared to other algos.

Thanks for power usage numbers! Apparently GPU is underutilized by the kernel

[Vorksholk]

GPU Miner open to the masses!

http://blakecoinmining.com/index.html


I'll make an official ANN post in the next 24-48 hours, but for now you can at least download and use the GPU miner. Please post any issues or performance statistics about the miner on this thread or in a PM to ME.

[mogrith]

On my AMD 7770


worksize 256
aggression 28
threads_per_gpu 4
cpu_mining_threads 2
vectors 1
sharethreads 32
lookup_gap 2
gpu_thread_concurrency 8000
get this result
GPU 794.3MH/s, shares: 229|0|229, stale 100%, GPU errors: 0%, ~823052 kH/s, 1195s

All shares are stale

slight overclock 1120 for 1100 GPU and 1320 for 1300 on memory

[Vorksholk]

Oh, as a note: tons of stales is fine. If the network difficulty is 2,000, you can expect, on average, to need 2,000 difficulty-one shares. The miner submits every difficulty one share, and when it is rejected it counts it as a stale. If you see your stales around 3x the difficulty with no accepted blocks, then you might have a problem. Just let the miner run. 

If you guys are interested, you can try the miner at http://www.blakecoinmining.com/Reaper_Blakecoin.zip which doesn't submit these shares, but it hasn't been well tested. Thanks to above poster, forgot to point this out!

[mogrith]

needed to make my command window size and buffer  87x26 to prevent scrolling

[mogrith]

Woot! Found a block I now have 25.00047007 BLC around 2025 shares

[kasparov]

GPU Miner open to the masses!

http://blakecoinmining.com/index.html


I'll make an official ANN post in the next 24-48 hours, but for now you can at least download and use the GPU miner. Please post any issues or performance statistics about the miner on this thread or in a PM to ME.

I get the error message :

I'm now mining blakecoin!
Share thread started
List of platforms:
        0       Intel(R) OpenCL
        1       AMD Accelerated Parallel Processing
Using platform number 0
2013-10-22 12:42:47 Error: Error getting OpenCL device IDs


I already set "device 1" in reaper.conf and copy OpenCL.dll(from C:\Windows\SysWOW64) to reaper folder.

[SpeedDemon13]

I'm doing ~1.04GH/s I=29 on a HD 5870 with 100% stales. What's the right RPC port to use? 8227 or 8984?

[smolen]

I get the error message :

I'm now mining blakecoin!
Share thread started
List of platforms:
        0       Intel(R) OpenCL
        1       AMD Accelerated Parallel Processing
Using platform number 0
2013-10-22 12:42:47 Error: Error getting OpenCL device IDs


I already set "device 1" in reaper.conf and copy OpenCL.dll(from C:\Windows\SysWOW64) to reaper folder.

Try "platform 1"

[SpeedDemon13]

x1 Diamond 7990 - 5.1GH/s @ 500W/h - 32 blocks
x2 MSI Twin 7950 - 4.1GH/s @ 600W/h - 15 blocks
x1 MSI Twin 7950 - 1.6GH/s @ 285W/h - 9 blocks
x1 Gigabyte 7950 - 1.7 GH/s @ 325W/h - 7 blocks

I'm using Kill-a-Watt meters on each rig to check power.  Also, all of the cards are running fairly cool (low 70Cs) compared to other algos.

Thanks for power usage numbers! Apparently GPU is underutilized by the kernel

It works ok for VLIW 4 and 5 cards: HD 5000's and 6000's. Seems like it's not optimized for GCN cards: HD 7000's and R Series.

[kasparov]

I get the error message :

I'm now mining blakecoin!
Share thread started
List of platforms:
        0       Intel(R) OpenCL
        1       AMD Accelerated Parallel Processing
Using platform number 0
2013-10-22 12:42:47 Error: Error getting OpenCL device IDs


I already set "device 1" in reaper.conf and copy OpenCL.dll(from C:\Windows\SysWOW64) to reaper folder.

Try "platform 1"

reaper get right now
thanks very much

[Vorksholk]

Difficulty is around 1800, hit above 2100 over night Better mine now, difficulty's flying.

[mogrith]

07:17:37

getdifficulty


07:17:37

2747.57655007
and climbing fast.

which means lots of people are mining yea! 

[3dcgminer]

Any recommended settings for 7950 and 7970 cards?

GPU usage at 99% but temps are lower than scrypt/scrypt-jane/Sha256, though my settings are just start values...
Measured with MSI Afterbruner.

Got 4 blocks from 24000 shares, one in 6000 for me, far from 1/2000.

[Vorksholk]

Any recommended settings for 7950 and 7970 cards?

GPU usage at 99% but temps are lower than scrypt/scrypt-jane/Sha256, though my settings are just start values...
Measured with MSI Afterbruner.

Got 4 blocks from 24000 shares, one in 6000 for me, far from 1/2000.

What aggression are you at?

[BlueDragon747]

Any recommended settings for 7950 and 7970 cards?

GPU usage at 99% but temps are lower than scrypt/scrypt-jane/Sha256, though my settings are just start values...
Measured with MSI Afterbruner.

Got 4 blocks from 24000 shares, one in 6000 for me, far from 1/2000.

On 7xxx series cards I would try this: (see the posts from others with same card for best results)

worksize 128
aggression 27
threads_per_gpu 1
cpu_mining_threads 0
vectors 1
sharethreads 8
gpu_thread_concurrency 24000

This works well on 6xxx series cards:

worksize 128
aggression 27
threads_per_gpu 1
cpu_mining_threads 0
vectors 1
sharethreads 8
gpu_thread_concurrency 12288

This works well on 5xxx series cards:

worksize 128
aggression 27
threads_per_gpu 1
cpu_mining_threads 0
vectors 1
sharethreads 8
gpu_thread_concurrency 8000

all the above can up the aggression if it is a mining rig but the wallet connections can drop if the miner is using too much cpu time so if the rig does not have a wallet running try 28-29

I have only tested
5870
6970
6950
6870
6850

I do have a Nvidia GTX 460 in my bits box will dig it out and test that once I have some spare time

[mogrith]

From normal reaper info:

Set thread_concurrency to 64 * bus_width_of_card_in_bits.  So, for a 7950, that would be 64 * 384 = 24576.
but is also saw for 7770 use 8000

My 7770 stabilized at 792MH/s with just less than 10,000 shares have found 7 blocks on took less than 5 min there is a LOT of variance this early in the game.

 

[BlueDragon747]

From normal reaper info:

Set thread_concurrency to 64 * bus_width_of_card_in_bits.  So, for a 7950, that would be 64 * 384 = 24576.
but is also saw for 7770 use 8000

My 7770 stabilized at 792MH/s with just less than 10,000 shares have found 7 blocks on took less than 5 min there is a LOT of variance this early in the game.

 

definitely worth playing with the settings to find a good value for your own platform

as the popularity of Blakecoin increases I don't think it will become any easier to mine, the results so far indicate a doubling of difficulty each week 

[sacskate]

I can see that reaper says "I am mining Blakecoin" but it closes immediately and I cant see anything else that it says. Any advice?

edit: nm i got it

[fenix79]

error: Couldn't find kernel file -reaper.cl

compiling from source linux 32bit