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Author Topic: NSGminer v0.9.4: The Fastest NeoScrypt GPU Miner  (Read 218833 times)
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zawawa
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August 29, 2016, 08:12:56 PM
 #281

Just to let you guys know, it is entirely possible to improve the OpenCL kernel of this miner by eliminating scratchpad registers (register spills). I am currently getting 795KH/s, a 30% increase in speed, with a RX 480 and a heavily modified kernel. It is also possible to optimize the generated GCN code and make the kernel even faster.

I am currently focused on Ethereum mining because it is more profitable, but I might release my custom NeoScrypt  kernel when I have a chance.

Gateless Gate Sharp, an open-source ETH/XMR miner: http://bit.ly/2rJ2x4V
BTC: 1BHwDWVerUTiKxhHPf2ubqKKiBMiKQGomZ
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August 30, 2016, 12:02:45 PM
 #282

Just to let you guys know, it is entirely possible to improve the OpenCL kernel of this miner by eliminating scratchpad registers (register spills). I am currently getting 795KH/s, a 30% increase in speed, with a RX 480 and a heavily modified kernel. It is also possible to optimize the generated GCN code and make the kernel even faster.

I am currently focused on Ethereum mining because it is more profitable, but I might release my custom NeoScrypt  kernel when I have a chance.
cool

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August 30, 2016, 12:29:12 PM
 #283

Just to let you guys know, it is entirely possible to improve the OpenCL kernel of this miner by eliminating scratchpad registers (register spills). I am currently getting 795KH/s, a 30% increase in speed, with a RX 480 and a heavily modified kernel. It is also possible to optimize the generated GCN code and make the kernel even faster.

I am currently focused on Ethereum mining because it is more profitable, but I might release my custom NeoScrypt  kernel when I have a chance.

Some pascal love ? Smiley
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August 31, 2016, 07:05:35 PM
 #284

I don't see any reasons why the same kind of optimization cannot be done with Pascal. Ultimately Polaris is easier to tame because GCN is documented better than NVIDIA SASS and there is a pretty decent assembler for the former, but PTX should suffice for NeoScrypt, methinks. It all depends on profitability as far as I am concerned, and my current focus is on Polaris because I invested so much on RX 480. I was mining Feathercoin for a while with 290X's at 800Kh/s each when the price was good. I hope the coin picks up momentum again.

Gateless Gate Sharp, an open-source ETH/XMR miner: http://bit.ly/2rJ2x4V
BTC: 1BHwDWVerUTiKxhHPf2ubqKKiBMiKQGomZ
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September 01, 2016, 09:12:33 PM
 #285

Guys,
I am using NSGminer on zpool.ca but sometimes I get pool is sending mismatched block contents to us (0 is not 1-1) or other numbers. What does it mean? Can someone help me please?

Thank you very much  Smiley
Gee

Zpool is an autoswitching pool. NSGminer doesn't like this. It works best with a single chain.

"If you've got a problem and have to spread some coins to make it go away, you've got no problem. You've got an expence." ~ Phoenixcoin (PXC) and Orbitcoin (ORB) and Halcyon (HAL)
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September 01, 2016, 09:23:56 PM
 #286

Just to let you guys know, it is entirely possible to improve the OpenCL kernel of this miner by eliminating scratchpad registers (register spills). I am currently getting 795KH/s, a 30% increase in speed, with a RX 480 and a heavily modified kernel. It is also possible to optimize the generated GCN code and make the kernel even faster.

I am currently focused on Ethereum mining because it is more profitable, but I might release my custom NeoScrypt  kernel when I have a chance.

It's definitely possible. There are 192 scratchpad regs for Tahiti. It's also important to keep the ISA size small enough to fit the GCN code caches. I have no RX 480 and cannot optimise for it right now. If you care to share your work, I'm sure some donations and thanks will go your way.

"If you've got a problem and have to spread some coins to make it go away, you've got no problem. You've got an expence." ~ Phoenixcoin (PXC) and Orbitcoin (ORB) and Halcyon (HAL)
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September 03, 2016, 07:51:03 PM
 #287

I just need to clarify myself a bit. The optimization I did for nsgminer was originally for GCN1/2 (7970/7990/290X) with a 30% gain in speed across the board, and I then recompiled the kernel with CodeXL for GCN4 (RX 480). I am pretty busy right now setting up a mining farm, but I may have time to clean up the code for a public release when things slow down.

Gateless Gate Sharp, an open-source ETH/XMR miner: http://bit.ly/2rJ2x4V
BTC: 1BHwDWVerUTiKxhHPf2ubqKKiBMiKQGomZ
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September 04, 2016, 12:53:05 AM
 #288

Just to let you guys know, it is entirely possible to improve the OpenCL kernel of this miner by eliminating scratchpad registers (register spills). I am currently getting 795KH/s, a 30% increase in speed, with a RX 480 and a heavily modified kernel. It is also possible to optimize the generated GCN code and make the kernel even faster.

I am currently focused on Ethereum mining because it is more profitable, but I might release my custom NeoScrypt  kernel when I have a chance.

This sounds awesome, i love FTC, will wait for your miner to come back in, i got a few RX 470 8GB up and ready.
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September 16, 2016, 07:28:21 PM
 #289

please  help

my nsgminer-win32-0.9.2  not connect to the poool

i use this commande

nsgminer --neoscrypt -g 1 -w 128 -I 13 --gpu-engine 1000 --gpu-memclock 1500 -o s1.theblocksfactory.com:3333 -O A250.3:x

befor work 100%  BUT I HAVE 5 days  not connect  it connect only to local host  127.0.0.1

please   help   Angry
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September 17, 2016, 04:59:02 AM
 #290

Guys,if you have an rx 480 what's yours hashrate

Another questione,when i try to mine something i get a bsod and the errore is something like "mkatidag" what's this,the only algo that does not give me this error is daggerhashimoto

PS:my PSU is enough powerfull
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September 17, 2016, 05:07:54 AM
 #291

please  help

my nsgminer-win32-0.9.2  not connect to the poool

i use this commande

nsgminer --neoscrypt -g 1 -w 128 -I 13 --gpu-engine 1000 --gpu-memclock 1500 -o s1.theblocksfactory.com:3333 -O A250.3:x

befor work 100%  BUT I HAVE 5 days  not connect  it connect only to local host  127.0.0.1

please   help   Angry


@echo off
Color 0A
set GPU_FORCE_64BIT_PTR 0
set GPU_MAX_HEAP_SIZE 100
set GPU_USE_SYNC_OBJECTS 1
set GPU_MAX_ALLOC_PERCENT 100
set GPU_SINGLE_ALLOC_PERCENT 100
nsgminer --neoscrypt -o stratum+tcp://s1.theblocksfactory.com:3334 -O A250.3:x -g 1 -w 256 -I 16 --gpu-engine 1000 --gpu-memclock 1500
pause

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September 17, 2016, 11:14:40 AM
 #292

Guys,if you have an rx 480 what's yours hashrate

Another questione,when i try to mine something i get a bsod and the errore is something like "mkatidag" what's this,the only algo that does not give me this error is daggerhashimoto

PS:my PSU is enough powerfull

Your cards are overclocked too much. The Ethereum algo is less power hungry. GPUs are limited by their memory bandwidth. That's why dual miners work there by running memory and computation expensive algos concurrently. NeoScrypt is both memory and computation expensive.

"If you've got a problem and have to spread some coins to make it go away, you've got no problem. You've got an expence." ~ Phoenixcoin (PXC) and Orbitcoin (ORB) and Halcyon (HAL)
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September 17, 2016, 12:08:23 PM
 #293

I have not made any type of overclock is a rx 480 nitro 8Gb Oc edition,the psu is a 650 Watt and the cpu is a i7 4820k(no overclock)
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September 18, 2016, 04:31:37 AM
 #294

Hi
Supports NSGminer RX 4x series?
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September 18, 2016, 09:32:32 PM
 #295

Guys,if you have an rx 480 what's yours hashrate

Another questione,when i try to mine something i get a bsod and the errore is something like "mkatidag" what's this,the only algo that does not give me this error is daggerhashimoto

PS:my PSU is enough powerfull

Your cards are overclocked too much. The Ethereum algo is less power hungry. GPUs are limited by their memory bandwidth. That's why dual miners work there by running memory and computation expensive algos concurrently. NeoScrypt is both memory and computation expensive.



the same problemme  not work 

please  help   if you work  to you  show me 

i try with diferent  card
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September 19, 2016, 04:05:55 AM
 #296

Guys,if you have an rx 480 what's yours hashrate

Another questione,when i try to mine something i get a bsod and the errore is something like "mkatidag" what's this,the only algo that does not give me this error is daggerhashimoto

PS:my PSU is enough powerfull

Your cards are overclocked too much. The Ethereum algo is less power hungry. GPUs are limited by their memory bandwidth. That's why dual miners work there by running memory and computation expensive algos concurrently. NeoScrypt is both memory and computation expensive.



the same problemme  not work 

please  help   if you work  to you  show me 

i try with diferent  card

I solved the problem i was following a guide that i found on another forum,but it does'nt worked so i made a strange thing that solved the bsod.
1. In C\system32\drivers find atimkdag.sys and rename it to atimkdag.sys.old
2.reboot
3.Now if you try to mine you can't,rename atikdag.sys.old to atimkdag.sys
4.reboot
Now you Can freely mine.
I don't if i'll help you but i think you can try,remember when you rename atimkdag.sys and reboot your GPU wont be seen by the system so if you have not an integraded GPU you Will not see the desktop,i used the integraded GPU of my cpu
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September 19, 2016, 01:37:31 PM
 #297

Guys,if you have an rx 480 what's yours hashrate

Another questione,when i try to mine something i get a bsod and the errore is something like "mkatidag" what's this,the only algo that does not give me this error is daggerhashimoto

PS:my PSU is enough powerfull

Your cards are overclocked too much. The Ethereum algo is less power hungry. GPUs are limited by their memory bandwidth. That's why dual miners work there by running memory and computation expensive algos concurrently. NeoScrypt is both memory and computation expensive.



the same problemme  not work 

please  help   if you work  to you  show me 

i try with diferent  card

I solved the problem i was following a guide that i found on another forum,but it does'nt worked so i made a strange thing that solved the bsod.
1. In C\system32\drivers find atimkdag.sys and rename it to atimkdag.sys.old
2.reboot
3.Now if you try to mine you can't,rename atikdag.sys.old to atimkdag.sys
4.reboot
Now you Can freely mine.
I don't if i'll help you but i think you can try,remember when you rename atimkdag.sys and reboot your GPU wont be seen by the system so if you have not an integraded GPU you Will not see the desktop,i used the integraded GPU of my cpu




HELP ME  ghostlander please 
ghostlander
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September 19, 2016, 09:51:15 PM
 #298

Guys,if you have an rx 480 what's yours hashrate

Another questione,when i try to mine something i get a bsod and the errore is something like "mkatidag" what's this,the only algo that does not give me this error is daggerhashimoto

PS:my PSU is enough powerfull

Your cards are overclocked too much. The Ethereum algo is less power hungry. GPUs are limited by their memory bandwidth. That's why dual miners work there by running memory and computation expensive algos concurrently. NeoScrypt is both memory and computation expensive.



the same problemme  not work 

please  help   if you work  to you  show me 

i try with diferent  card

I solved the problem i was following a guide that i found on another forum,but it does'nt worked so i made a strange thing that solved the bsod.
1. In C\system32\drivers find atimkdag.sys and rename it to atimkdag.sys.old
2.reboot
3.Now if you try to mine you can't,rename atikdag.sys.old to atimkdag.sys
4.reboot
Now you Can freely mine.
I don't if i'll help you but i think you can try,remember when you rename atimkdag.sys and reboot your GPU wont be seen by the system so if you have not an integraded GPU you Will not see the desktop,i used the integraded GPU of my cpu




HELP ME  ghostlander please 

I'm not sure if I understand your problem. If you cannot connect to a pool, try another one. If your mining rig BSODs or produces HW errors, try to downgrade your drivers. I use Catalyst 14.6 beta / 14.7 RC3 mostly, though 15.7.1 also seems fine. 16.x are messy, so they're a matter of trial and error.

"If you've got a problem and have to spread some coins to make it go away, you've got no problem. You've got an expence." ~ Phoenixcoin (PXC) and Orbitcoin (ORB) and Halcyon (HAL)
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September 21, 2016, 12:08:41 PM
 #299

Can someone share good setting for 7950 and 270x ?
I get weird results.
370Kh for 7950 and 290 for 270x (stock)
But from time to time speed goes down and have to restart the miner
testing orbit@TBF

Also 10-15% of "share is above target"
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September 21, 2016, 12:31:54 PM
 #300

Can someone share good setting for 7950 and 270x ?
I get weird results.
370Kh for 7950 and 290 for 270x (stock)
But from time to time speed goes down and have to restart the miner
testing orbit@TBF

Also 10-15% of "share is above target"

 
for 270

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
nsgminer --neoscrypt -g 1 -w 256 -I 17 --gpu-fan 50  --gpu-engine 1150 --gpu-memclock 1450 -o stratum+tcp://neoscrypt.mine.zpool.ca:4233 -O wallet:coin  --thread-concurrency 8192   --lookup-gap 2
pause



works fine for me

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