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Author Topic: NxtMint Java minter  (Read 61358 times)

oldambtster

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Re: NxtMint Java minter
« Reply #360 on: February 21, 2015, 08:09:55 pm »

Quote
SHA3? That's a VERY simple algo - in fact, I've written a 25-way parallel implementation for CUDA, at one point! Not optimal for GPUs, since you pound the hell out of LDS, though.

I'm mining pretty solidly on it - screenshot (NSFW): https://ottrbutt.com/miner/nxtmintwolf-02212015.png

GPU 0 is a 280X, GPU 1 is a 270X, GPU 2 is a 290X, and GPU 3 is a 7950.

Yeah, seams to be the AMD OpenCL stuff that doesn't seem to be able to kickstart the GPU.
Should be at least 10 MH/s I guess. Now it seems the GPU doesn't do only about 200KH/s at the most.

Will see if I can compile the sourcecode, see if that helps.
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Wolf0

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Re: NxtMint Java minter
« Reply #361 on: February 21, 2015, 08:22:13 pm »

Quote
SHA3? That's a VERY simple algo - in fact, I've written a 25-way parallel implementation for CUDA, at one point! Not optimal for GPUs, since you pound the hell out of LDS, though.

I'm mining pretty solidly on it - screenshot (NSFW): https://ottrbutt.com/miner/nxtmintwolf-02212015.png

GPU 0 is a 280X, GPU 1 is a 270X, GPU 2 is a 290X, and GPU 3 is a 7950.

Yeah, seams to be the AMD OpenCL stuff that doesn't seem to be able to kickstart the GPU.
Should be at least 10 MH/s I guess. Now it seems the GPU doesn't do only about 200KH/s at the most.

Will see if I can compile the sourcecode, see if that helps.

LOL, 10MH/s. Did you see my screenshot?

There's likely still some room for improvement on that, too.
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oldambtster

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Re: NxtMint Java minter
« Reply #362 on: February 21, 2015, 08:32:22 pm »

Quote
SHA3? That's a VERY simple algo - in fact, I've written a 25-way parallel implementation for CUDA, at one point! Not optimal for GPUs, since you pound the hell out of LDS, though.

I'm mining pretty solidly on it - screenshot (NSFW): https://ottrbutt.com/miner/nxtmintwolf-02212015.png

GPU 0 is a 280X, GPU 1 is a 270X, GPU 2 is a 290X, and GPU 3 is a 7950.

Yeah, seams to be the AMD OpenCL stuff that doesn't seem to be able to kickstart the GPU.
Should be at least 10 MH/s I guess. Now it seems the GPU doesn't do only about 200KH/s at the most.

Will see if I can compile the sourcecode, see if that helps.

LOL, 10MH/s. Did you see my screenshot?

There's likely still some room for improvement on that, too.

Yeah, rub it in, rub it in, thank you very much, hahaha...   :P
If you consider the computer I use has a TDP of 18 Watt, 10MHps would be just fine.   :D

But when I know it should be able to manage a certain amount of hashes and it gets nowhere not even to one MHps... Serenety now, serenety now. ZEN...  8)
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Wolf0

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Re: NxtMint Java minter
« Reply #363 on: February 21, 2015, 09:21:33 pm »

Quote
SHA3? That's a VERY simple algo - in fact, I've written a 25-way parallel implementation for CUDA, at one point! Not optimal for GPUs, since you pound the hell out of LDS, though.

I'm mining pretty solidly on it - screenshot (NSFW): https://ottrbutt.com/miner/nxtmintwolf-02212015.png

GPU 0 is a 280X, GPU 1 is a 270X, GPU 2 is a 290X, and GPU 3 is a 7950.

Yeah, seams to be the AMD OpenCL stuff that doesn't seem to be able to kickstart the GPU.
Should be at least 10 MH/s I guess. Now it seems the GPU doesn't do only about 200KH/s at the most.

Will see if I can compile the sourcecode, see if that helps.

LOL, 10MH/s. Did you see my screenshot?

There's likely still some room for improvement on that, too.

Yeah, rub it in, rub it in, thank you very much, hahaha...   :P
If you consider the computer I use has a TDP of 18 Watt, 10MHps would be just fine.   :D

But when I know it should be able to manage a certain amount of hashes and it gets nowhere not even to one MHps... Serenety now, serenety now. ZEN...  8)

You didn't specify an AMD card, so I assumed you meant AMD cards in general; my bad. What needs work is that my 280X and 290X are quite close in hashrate, and my implmentation uses almost no global memory - meaning the only real difference affecting hashrate should be raw compute power, of which the 290X should have far more.
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madmartyk

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Re: NxtMint Java minter
« Reply #364 on: February 21, 2015, 09:54:21 pm »

I have a 280x minting torum, getting a decent hashrate.

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oldambtster

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Re: NxtMint Java minter
« Reply #365 on: February 22, 2015, 08:25:41 am »

Quote
You didn't specify an AMD card, so I assumed you meant AMD cards in general; my bad. What needs work is that my 280X and 290X are quite close in hashrate, and my implmentation uses almost no global memory - meaning the only real difference affecting hashrate should be raw compute power, of which the 290X should have far more.

It is an AMD Fusion thing, with an AMD 6810 inside the E350, and I will have to find some compare figures to see what really to expect. Guess some code change might be needed for this to NXTmint to work on my the 6810 gfx unit.

But I've accepted that this is not really hardware ment for minting.  ;)
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oldambtster

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Re: NxtMint Java minter
« Reply #366 on: February 22, 2015, 08:36:46 am »

I have a 280x minting torum, getting a decent hashrate.

Looked at the specs for the 280x...  :o

Still I would expect between 7 and 12 MHs/ps for the little AMD engine that could.
Managed to get some millions overnight in minting TORUM, almost 20 million at a time, at a pace of about 4|5 hours.

So in about 250 hours I could be a billionaire in TORUM too.  :D
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oldambtster

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Re: NxtMint Java minter
« Reply #367 on: February 22, 2015, 08:47:24 am »

Guess my system is just very slow, tried several settings stays about same value in (K)Hashes.  :-\
Is SHA3 that more hard than SHA256 for example?

Ah well, got NXTminer working, minting with CPU and GPU.  8)
I get 32 MH/s mining Torum using an NVIDIA GT 720.  I've come to the conclusion that AMD cards need OpenCL routines that are optimized for those cards.  I can't do that since I don't have an AMD card.  If somebody familiar with AMD cards will do this, I'll include the routines in the NxtMint package.
Code: [Select]
C:\Bitcoin\NxtMint>java.exe -Xmx256m -Djava.library.path=\Bitcoin\NxtMint\jni -jar \Bitcoin\NxtMint\
NxtMint-1.6.0.jar
02:09:11 INFO Main.main: Java Nxt Mint Version 1.6.0
02:09:11 INFO Main.main: Application data path: C:\Users\Ronald\Appdata\Roaming\NxtMint
02:09:11 INFO Main.main: Using Nxt node at scripterron.dyndns.biz:7876
02:09:11 INFO Main.main: Minting 5,000,000.000000 units of TORUM for account NXT-XM86-4ZNA-65L5-CDWUE: 0 CPU threads, 1024 GPU intensity
02:09:11 INFO Nxt.init: API node=scripterron.dyndns.biz, API port=7876
02:09:13 INFO Main.buildGpuList: GPU device 0: NVIDIA CUDA, GeForce GT 720, Driver 347.09
  1024MB global memory, 47KB local memory, 2 compute units, Max work group size 1024
02:09:15 INFO HashFunction.<init>: JNI library NxtMint_x86_64 loaded - using native CPU hash routines
02:09:15 FINE GpuFunction.<init>: GPU 0: Using rotate() built-in function
02:09:16 FINE GpuSha3.<init>: GPU 0: Local size 128, Global size 1048576, Passes 1
02:09:16 INFO MintWorker.run: GPU worker 0 starting on GPU 0
02:09:16 FINE MintWorker.run: Worker 0 starting on counter 20
02:10:16 FINE MintWorker.run: Worker 0: 1,928.33 MHash, 32.1389 MHash/s

Tried different mintable valuta, about same figures, where my 2 CPU cores even make the double speed of what the GPU does. All just under or over 1 MHs/ps. Only when the two CPU cores are helping the GPU.

Managed to mint some TORUM over night, not billions, but about 20 million at a time.

The routines seem to work great for the high end AMD R9 hardware, so I guess it can be concluded that it for the low end AMD E350 it is a bridge to far.

Anyway, I had fun trying.  ;)
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Wolf0

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Re: NxtMint Java minter
« Reply #368 on: February 22, 2015, 10:06:18 am »

I have a 280x minting torum, getting a decent hashrate.



183? Damn, I haven't doubled the speed of the code yet!
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madmartyk

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Re: NxtMint Java minter
« Reply #369 on: February 22, 2015, 12:29:56 pm »

I have a 280x minting torum, getting a decent hashrate.



183? Damn, I haven't doubled the speed of the code yet!

This is what I'm using for my settings

gpuIntensity=1024
gpudevice=0,256,1760
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Wolf0

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Re: NxtMint Java minter
« Reply #370 on: February 22, 2015, 12:39:22 pm »

I have a 280x minting torum, getting a decent hashrate.



183? Damn, I haven't doubled the speed of the code yet!

This is what I'm using for my settings

gpuIntensity=1024
gpudevice=0,256,1760

I modified the intensity parameter to remove the annoying stuff that might cause it to not use the intensity I pick, then changed the meaning so the number of threads is 2^intensity.

Mine was set to intensity 23, which for his, would be 8192, and then the 280X was gpuDevice=0,256,256 for ~331MH/s.
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Bik_z19

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Re: NxtMint Java minter
« Reply #371 on: March 02, 2015, 06:51:30 pm »

After running mint.bat it just pops up the command screen, then quickly disappears. Have had this with a few other miners, never really found a solution :(
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madmartyk

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Re: NxtMint Java minter
« Reply #372 on: March 02, 2015, 09:07:25 pm »

After running mint.bat it just pops up the command screen, then quickly disappears. Have had this with a few other miners, never really found a solution :(

Try lowering the # of coins to mint.
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Bik_z19

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Re: NxtMint Java minter
« Reply #373 on: March 02, 2015, 09:14:29 pm »

After running mint.bat it just pops up the command screen, then quickly disappears. Have had this with a few other miners, never really found a solution :(

Try lowering the # of coins to mint.
Already tried that, also tested the amount on the mint.bat inside the NRS folder. I know it can't be more than 1/10000 of the total coins. That's not a problem, as this coin has far more than 10bill coins :D
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madmartyk

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Re: NxtMint Java minter
« Reply #374 on: March 02, 2015, 09:35:03 pm »

What coin are you trying to mint?
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Bik_z19

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Re: NxtMint Java minter
« Reply #375 on: March 03, 2015, 07:14:49 am »

What coin are you trying to mint?

Tried with several, but at the moment TORUM

EDIT: I am able to mint with the standard minter of NXT NRS. So it is not a fault in my PC, and I don't think it is in the parameters either.
« Last Edit: March 03, 2015, 07:26:14 am by Bik_z19 »
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coinTEr

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Re: NxtMint Java minter
« Reply #376 on: March 03, 2015, 08:02:14 am »

Try to start the minter out of the cmd.exe (if you're using windows).
You will see the error-message, which causes the minter to quit.


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Bik_z19

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Re: NxtMint Java minter
« Reply #377 on: March 03, 2015, 09:01:53 am »

Try to start the minter out of the cmd.exe (if you're using windows).
You will see the error-message, which causes the minter to quit.
SEVERE Main.main: Secret Phrase not specified.

That's the error output. But I'm sure as hell the phrase is present and correct.
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coinTEr

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Re: NxtMint Java minter
« Reply #378 on: March 03, 2015, 10:59:39 am »

Do you have the NxtMint.conf and NxtMint.properties
in the correct folder?
That would be something like: C:\Users\*yourusername*\AppData\Roaming\NxtMint

Another common problem: if you don't see the file extensions it could be possible, that your
NxtMint.conf is named NxtMint.conf.conf

Please check that

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madmartyk

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Re: NxtMint Java minter
« Reply #379 on: March 03, 2015, 11:38:52 am »

Make sure there is no extra spaces at the end or beginning of the secret phrase
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