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Author Topic: [ANN][GRS][DMD] Pallas optimized groestlcoin / diamond etc. opencl kernel  (Read 48889 times)
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losk22
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September 29, 2014, 07:39:45 AM
 #61

ABOUT

This is my optimized Groestlcoin / Diamond and similar opencl kernel (groestl + groestl algorythm, not myriad-groestl which is groestl + sha).
It is based on the sph version originally available on sph-sgminer but is now totally rewritten.
It should be compatible with all sph-sgminer versions and derivates.

PERFORMANCE

R9 290x @1125 Mhz: ~26.4 Mh/s
R9 290 @1200: ~25 Mh/s
R9 280x (stock): ~18 Mh/s
7950 @1200: ~16 Mh/s
R9 270X: ~9.7 Mh/s

HOW TO USE

- Stop the miner
- Replace groestlcoin.cl, diamond.cl and/or the kernel you want to use with this one (it's inside the "kernel" folder)
- Remove all the .bin files (in the main folder)
- Set worksize to 256 only (-w 256)
- Run and enjoy!

TWEAKING

Set intensity from 20 to 22. Thread concurrency and all the other parameters are useless.
This kernel doesn't make use of gpu ram, so set the ram clock to THE MINIMUM POSSIBLE VALUE; for example 150 MHz for R9 290.
Now play with the core clock until you find the highest stable value (probably between 1100 and 1200 for the R9 290).

COMPATIBILITY

Tested working stable on R9 290, 280x and 7950. Should work on any recent amd gpu but performance is not guaranted to be optimal.
I doesn't work with cryptohunger optimized pool: use the conventional port or another pool. Also do not replace the optimized kernel of grs-sgminer but the normal one.

TROUBLESHOOTING

Try the following:
- Sure you set worksize to 256?
- Replace the generated .bin file with this one (64 bit only): https://dl.dropboxusercontent.com/u/40353042/Diamond/diamondHawaiiw256l8.bin
- Lower the intensity
- Lower the core speed (are you sure you put the ram clock to the lowest possible value?)
- Since it uses more power, it could be a cooling issue too: check the gpu temperature

DONATIONS

This work took me months of coding and testing and unslept nights; please show your appreciation (you are making more money by using it!) by donating to:
BTC: 1H7qC5uHuGX2d5s9Kuw3k7Wm7xMQzL16SN
DMD: dVrz69vZFrxJRH9AnKyHim7Hd3PhY3w9NQ

DOWNLOAD

https://dl.dropboxusercontent.com/u/40353042/Diamond/groestlcoin-v1.cl

What coins can be extracted with your algorithm?


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pallas
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September 29, 2014, 08:14:34 AM
 #62

What coins can be extracted with your algorithm?

the ones using the groestlcoin algo (groestl + groestl): for example diamond, aidbit and atheistcoin.
not myriad groestl like saffroncoin and digibyte.

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September 30, 2014, 08:42:47 PM
 #63

4gpu 280x = 69Mhs = about 7000AID x 0.00000086 = 0.00602 BTC/daily

(power consumption 870W/h)

0,00602BTC = 2,35$/daily
electricity = 1,12$/daily

2,35$ - 1,12$ = 1,23$/daily

AIDBIT
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September 30, 2014, 09:20:58 PM
 #64

4gpu 280x = 69Mhs = about 7000AID x 0.00000086 = 0.00602 BTC/daily

(power consumption 870W/h)

0,00602BTC = 2,35$/daily
electricity = 1,12$/daily

2,35$ - 1,12$ = 1,23$/daily

That's good! You pay very little for your electricity...
I pay a lot more so it's no longer profitable for me for a long time now.

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September 30, 2014, 11:54:51 PM
 #65

Interesting observation 280x, I had to raise GPU vdc in bios to get stable above 18.4MHs (now 1.118v) ... (was stable at 1.087v using previous kernel).  Best for me 1160gpu/1500mem threads 1, TC 24576 (it does make a difference).  Temps rise dramatically with minor increase in voltage sadly and have capped my overclock attempts as over 75c is enough for me Sad  I have been unable to lower mem clock it seems to be locked (powercolor R9 280x).  Cooler ambient temps coming but will not gain all that much as temps seem to rise exponentially with overclocking (nice heater LOL).
Congrats on profitibility St.Neman I am barely profitable with increased power requirement but the 1 DMD reward window will end soon enough ... take advantage while you can.  Got new (used) Mobo on the way and will soon get main miner back online (only 1 280x atm in entertainment box right now main miner mobo died in a puff of smoke LOL).
You should be able to push 73+ Mhs with 4 cards ... (volt mod and proper heatsink paste application).

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October 01, 2014, 12:18:13 AM
 #66

@pallas
have you looked into incorporating super optimized groestl into the X11mod kernel on my thread (in sig)?

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October 01, 2014, 07:39:50 AM
 #67

Interesting observation 280x, I had to raise GPU vdc in bios to get stable above 18.4MHs (now 1.118v) ... (was stable at 1.087v using previous kernel).  Best for me 1160gpu/1500mem threads 1, TC 24576 (it does make a difference).  Temps rise dramatically with minor increase in voltage sadly and have capped my overclock attempts as over 75c is enough for me Sad  I have been unable to lower mem clock it seems to be locked (powercolor R9 280x).  Cooler ambient temps coming but will not gain all that much as temps seem to rise exponentially with overclocking (nice heater LOL).
Congrats on profitibility St.Neman I am barely profitable with increased power requirement but the 1 DMD reward window will end soon enough ... take advantage while you can.  Got new (used) Mobo on the way and will soon get main miner back online (only 1 280x atm in entertainment box right now main miner mobo died in a puff of smoke LOL).
You should be able to push 73+ Mhs with 4 cards ... (volt mod and proper heatsink paste application).

It's a pity you can't reduce mem clock because it would save you watts and lower the card temperature (and also let you overclock the core more).
I think the 280x has a maximum core/ram clock range like the 7950: I used to set it at 1150 core and 1000 ram.
If the hashrate changes with thread concurrency, it's probably just compiler variance and not due to the TC buffer which is not used at all. Try removing the bins and restart a handful of times, you'll probably see different hashrates with the exact same settings.

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October 01, 2014, 04:21:10 PM
 #68

Researching inability to lower mem clock, I use VBE7.0.0.7b.exe and atiwinflash to do the volt mod on 280x and 7950.  
Going to try force mem clock in bios ... I get worried about flashing card so many times but it's worth a try ...

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October 01, 2014, 04:33:01 PM
 #69

OK that worked I was able to lower mem clock to 500, trying further OC now ...

Temp dropped from 76-77C to 72C with current settings (1170 GPU 500 MEM) 18.5MHs after 10 min ... will probably lower memclk to 150 like on OP Smiley

Lowered memclk to 150 by bios mod and gpu to 1.112V

Temp 71C after 25 min at 1171/150 18.48Mhs Smiley I'm happy with that and will leave it alone for a week to see if stable Smiley

Display driver crash after 30 min, lowering clock by 1 ...

NOTE: VBios modding is not for the faint of heart, this would likely destroy gaming performance, use only on dedicated mining box Smiley

Question for more experienced miners ... what would I=22 be as xIntensity on r9 280x? (2048 shaders)

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October 01, 2014, 06:01:30 PM
 #70

mmmm ... wonderful odor, I am steam curing a pound of virginia tobacco in oven for my own version of dark molasses cavendish ... nice rich smooth smoke and it's getting really dark after 8 hr sample.

I'm wondering what it has to do with this thread.
Still, thanks for the bump ;-)

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October 01, 2014, 06:06:20 PM
 #71

I'm getting query from another user on my thread on status of x11mod ... any progress?

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October 02, 2014, 07:55:49 AM
 #72

I've found it is needed to keep GPU temp below 72C with the powercolor R9 280x, GPU clock gets throttled down >= 72C ...

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October 02, 2014, 08:00:09 AM
 #73

I've found it is needed to keep GPU temp below 72C with the powercolor R9 280x, GPU clock gets throttled down >= 72C ...

72C looks pretty low to me... my 290s throttles at 95 and 85.

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October 02, 2014, 08:26:45 AM
 #74

I've found it is needed to keep GPU temp below 72C with the powercolor R9 280x, GPU clock gets throttled down >= 72C ...

72C looks pretty low to me... my 290s throttles at 95 and 85.
Not a real concern for me with groestl (running under 72C) but running X11 it is an issue when I OC to 1080/1650.

Might have something to do with fan profiles in vbios ... have not messed with that yet.

Just checked status on my ebay order of replacement motherboard for mining box (MOBO/RAM/CPU - Asrock H81 PRO BTC/G3220 3GHZ/4GB 1600 DDR3) and it has reached post office here in SLC Smiley should get delivered tomorrow or next day Smiley then I can bring more cards online again Smiley~

R9 280x stable at 18.47 Mhs temp 71C (1170/150) after 15+ hours Smiley

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October 02, 2014, 06:52:23 PM
 #75

Interesting observation 280x, I had to raise GPU vdc in bios to get stable above 18.4MHs (now 1.118v) ... (was stable at 1.087v using previous kernel).  Best for me 1160gpu/1500mem threads 1, TC 24576 (it does make a difference).  Temps rise dramatically with minor increase in voltage sadly and have capped my overclock attempts as over 75c is enough for me Sad  I have been unable to lower mem clock it seems to be locked (powercolor R9 280x).  Cooler ambient temps coming but will not gain all that much as temps seem to rise exponentially with overclocking (nice heater LOL).
Congrats on profitibility St.Neman I am barely profitable with increased power requirement but the 1 DMD reward window will end soon enough ... take advantage while you can.  Got new (used) Mobo on the way and will soon get main miner back online (only 1 280x atm in entertainment box right now main miner mobo died in a puff of smoke LOL).
You should be able to push 73+ Mhs with 4 cards ... (volt mod and proper heatsink paste application).

thanks utahjohn,
gpu1090, mem1000, i22, 1,169V (temp 70C fan 2000-2500)
can't get more, i try but can't Sad
i have worst gpus 280x http://www.sapphiretech.com/presentation/product/product_index.aspx?pid=2022&lid=1,
new gpus after a few months simply stop working,
then i must to change every capacitor on gpu
if i want to work again

AIDBIT
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October 02, 2014, 07:43:17 PM
 #76

Interesting observation 280x, I had to raise GPU vdc in bios to get stable above 18.4MHs (now 1.118v) ... (was stable at 1.087v using previous kernel).  Best for me 1160gpu/1500mem threads 1, TC 24576 (it does make a difference).  Temps rise dramatically with minor increase in voltage sadly and have capped my overclock attempts as over 75c is enough for me Sad  I have been unable to lower mem clock it seems to be locked (powercolor R9 280x).  Cooler ambient temps coming but will not gain all that much as temps seem to rise exponentially with overclocking (nice heater LOL).
Congrats on profitibility St.Neman I am barely profitable with increased power requirement but the 1 DMD reward window will end soon enough ... take advantage while you can.  Got new (used) Mobo on the way and will soon get main miner back online (only 1 280x atm in entertainment box right now main miner mobo died in a puff of smoke LOL).
You should be able to push 73+ Mhs with 4 cards ... (volt mod and proper heatsink paste application).

thanks utahjohn,
gpu1090, mem1000, i22, 1,169V (temp 70C fan 2000-2500)
can't get more, i try but can't Sad
i have worst gpus 280x http://www.sapphiretech.com/presentation/product/product_index.aspx?pid=2022&lid=1,
new gpus after a few months simply stop working,
then i must to change every capacitor on gpu
if i want to work again
Are you tuning each card individually (there is great varience between GPU quality on each card), try to tune them one by one in your config. 
Smoked capacitors Huh is your power unstable or PS faulty, I have never had a blown capacitor.

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October 02, 2014, 10:06:00 PM
 #77

Interesting observation 280x, I had to raise GPU vdc in bios to get stable above 18.4MHs (now 1.118v) ... (was stable at 1.087v using previous kernel).  Best for me 1160gpu/1500mem threads 1, TC 24576 (it does make a difference).  Temps rise dramatically with minor increase in voltage sadly and have capped my overclock attempts as over 75c is enough for me Sad  I have been unable to lower mem clock it seems to be locked (powercolor R9 280x).  Cooler ambient temps coming but will not gain all that much as temps seem to rise exponentially with overclocking (nice heater LOL).
Congrats on profitibility St.Neman I am barely profitable with increased power requirement but the 1 DMD reward window will end soon enough ... take advantage while you can.  Got new (used) Mobo on the way and will soon get main miner back online (only 1 280x atm in entertainment box right now main miner mobo died in a puff of smoke LOL).
You should be able to push 73+ Mhs with 4 cards ... (volt mod and proper heatsink paste application).

thanks utahjohn,
gpu1090, mem1000, i22, 1,169V (temp 70C fan 2000-2500)
can't get more, i try but can't Sad
i have worst gpus 280x http://www.sapphiretech.com/presentation/product/product_index.aspx?pid=2022&lid=1,
new gpus after a few months simply stop working,
then i must to change every capacitor on gpu
if i want to work again
Are you tuning each card individually (there is great varience between GPU quality on each card), try to tune them one by one in your config. 
Smoked capacitors Huh is your power unstable or PS faulty, I have never had a blown capacitor.


my equipment and power is absolutely ok, another's gpu's working perfectly, bad chinese capacitors is my only and big problem Sad

AIDBIT
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October 03, 2014, 11:26:22 AM
 #78

@st.neman
Tried installing catalyst 14.9 and it totally borked hashrate using super kernel. 
Stick with catalyst 14.7 RC3 Smiley

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October 03, 2014, 11:30:37 AM
 #79

@st.neman
Tried installing catalyst 14.9 and it totally borked hashrate using super kernel. 
Stick with catalyst 14.7 RC3 Smiley

I've experienced the hashrate drop on the new drivers too. I'll look into it: there might need to be two versions of the kernel.
You can still use the new drivers but the old bin files, it should work.

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October 03, 2014, 11:45:47 AM
 #80

@st.neman
Tried installing catalyst 14.9 and it totally borked hashrate using super kernel. 
Stick with catalyst 14.7 RC3 Smiley

I've experienced the hashrate drop on the new drivers too. I'll look into it: there might need to be two versions of the kernel.
You can still use the new drivers but the old bin files, it should work.
Didn't try old bin, but I reverted to 14.7RC3 (used DDU) and no problem Smiley

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