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Author Topic: [ANN] cudaMiner & ccMiner CUDA based mining applications [Windows/Linux/MacOSX]  (Read 3403429 times)
psc
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January 20, 2014, 08:28:43 PM
 #2741

Any news on the vertcoin issue?
latest github version still gives me the following error:

Unhandled exception at 0x000007F679AD8A64 in cudaminer.exe: Stack cookie instrumentation code detected a stack-based buffer overrun.

Seems something related to cpu memory management.

Crashes with Win and Linux.

I know there are maybe more important things to do but vertcoin is already looking very promising.

Not sure which issue you are referring to ? The post linked to in the post above (yours)  has a working version for windows - there was a slight change for vertcoin apparently.
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cbuchner1
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January 20, 2014, 08:37:57 PM
 #2742

I see that someone has "released cudaminer" for vertcoin

https://bitcointalk.org/index.php?topic=404364.msg4620453#msg4620453

at least with a better ratio than the buggy AMD implementation vs scrypt - would have been gentlemanly if they had tipped their hat to Christian for all his effort.

I believe the CPU based validation code has some kind of hardcoded scratchpad buffer size for N=1024. This needs to be fixed.

EDIT:
oh look what's there !
Code:
scratch[32768]

EDIT2: okay, a likely fix is now on github. mine away!
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January 20, 2014, 08:52:24 PM
 #2743

You are the best!

I will report how vertcoin performs.
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January 20, 2014, 08:56:14 PM
 #2744

You are the best!

I will report how vertcoin performs.

the current github is not reaching the speeds of the 2013-12-18 release, which is kind of a mystery to me.
So your vertcoin mining might be a bit slower than expected.

Fixing this will be another important milestone before the next binary release.

Christian
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January 20, 2014, 09:03:46 PM
 #2745

You are the best!

I will report how vertcoin performs.

Getting about 81 kh/s on a 770M (910MHZ)  vs 214 kh/s on a R9 270X (which was getting 450 kh/s on "normal" scrypt and 2.9 kh/s on YAC) - Impressive

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January 20, 2014, 09:17:33 PM
 #2746

I think Titans have a problem allocating all that memory.
Quoted from the Scrypt-jane spreadsheet:
"GPU Memory usage: 2883 MB"
"Seems Kepler Kernal has better memory allocation then the Titan for Scrypt-Jane. Texture Cache set to -C 1 throws an error indicating it fails over to -C 2 but if you launch a -C2 the hashrate is nearly halved."
Edit: Also "Current Titan kernal appears not to allow much more then this before driver soft crashes currently."

Could this be a 32-bit limitation? Maybe we need a working 64-bit version?
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January 20, 2014, 09:37:03 PM
 #2747

"Seems Kepler Kernal has better memory allocation then the Titan for Scrypt-Jane.

don't think so. Features for the Titan kernel have been brought to the same level as for Kepler.  Just -C 1 and 2 aren't needed for Titan, as caching is automatic and always implied.

Christian
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January 20, 2014, 09:44:56 PM
 #2748

@cbuchner1 I have compiled a few versions of CudaMiner (along with instructions) for Mac OS X users: http://www.johnchapman.net/cudaminer/

I plan to compile an OS X version for each future release (as long as they compile ;-)).  Thanks for the great work!

Wow! This is great. I put a link into the first posting.


Awesome.  :-)
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January 20, 2014, 09:46:42 PM
 #2749

Tried Vertcoin just now, but I am getting CPU validation errors with the latest git build.

Debug output:

Quote
Hash:   000005656bc0b01bf4aac839405df06c36fae7cdcae8c66b96118058bd5c46a6
Target: 00007fff80000000000000000000000000000000000000000000000000000000
[2014-01-20 14:43:25] GPU #1: GeForce GTX 780 result does not validate on CPU (i=1534, s=0)!
[2014-01-20 14:43:27] DEBUG: hash <= target
Hash:   00007baba609dfb7bc1c16fa272a513215145695ab99a6ce49b61f4918d88d73
Target: 00007fff80000000000000000000000000000000000000000000000000000000
[2014-01-20 14:43:27] GPU #1: GeForce GTX 780 result does not validate on CPU (i=1354, s=1)!
[2014-01-20 14:43:29] DEBUG: hash <= target
Hash:   00003473ba7d4b4082634e13221c5895c6e8fdf2206a22004d6c97b1d7942181
Target: 00007fff80000000000000000000000000000000000000000000000000000000
[2014-01-20 14:43:29] GPU #1: GeForce GTX 780 result does not validate on CPU (i=1581, s=1)!
[2014-01-20 14:43:29] DEBUG: hash <= target
Hash:   000024ba094bf02988538219f98d45fa2ba131b1107b783fcb13e6c4a3efe342
Target: 00007fff80000000000000000000000000000000000000000000000000000000
[2014-01-20 14:43:29] GPU #1: GeForce GTX 780 result does not validate on CPU (i=595, s=1)!

2048 is the current N value right? This is what I'm using for settings:

--algo=scrypt:2048 -i 0 -d 1 -H 0 -l T12x32
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January 20, 2014, 09:52:06 PM
 #2750

Tried Vertcoin just now, but I am getting CPU validation errors with the latest git build.

2048 is the current N value right? This is what I'm using for settings:

--algo=scrypt:2048 -i 0 -d 1 -H 0 -l T12x32

thank you for noticing

in the CPU validation code I just changed

j = 32 * (X[16] & 1023);

into

j = 32 * (X[16] % N);

so it should work correctly for ANY N, even non powers of 2.

Christian
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January 20, 2014, 09:53:19 PM
 #2751

Tried Vertcoin just now, but I am getting CPU validation errors with the latest git build.

2048 is the current N value right? This is what I'm using for settings:

--algo=scrypt:2048 -i 0 -d 1 -H 0 -l T12x32

thank you for noticing

in the CPU validation code I just changed

j = 32 * (X[16] & 1023);

into

j = 32 * (X[16] % N);

so it should work correctly for ANY N, even non powers of 2.

Christian


Awesome, it's working now Smiley
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January 20, 2014, 10:07:45 PM
 #2752

Is vertcoin any profitable? I mean I'm not sure how much it says, but the average hashrate per miners of the biggest pool is over 700 kH/s.

RIP Bittrex
RIP Poloniex
relm9
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January 20, 2014, 10:35:52 PM
 #2753

Is vertcoin any profitable? I mean I'm not sure how much it says, but the average hashrate per miners of the biggest pool is over 700 kH/s.

I'm getting 220 kH/s per 780 which compares favorably with the 340 kH I get from a 7970.

1000 kH would get you 500 coins per day at the moment, at the current sell price that's around 0.08 BTC per day. So yeah very profitable assuming the value holds steady, maybe the most profitable coin out? Seems better than Doge even.
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January 20, 2014, 11:08:30 PM
 #2754

Is vertcoin any profitable? I mean I'm not sure how much it says, but the average hashrate per miners of the biggest pool is over 700 kH/s.

I'm getting 220 kH/s per 780 which compares favorably with the 340 kH I get from a 7970.

1000 kH would get you 500 coins per day at the moment, at the current sell price that's around 0.08 BTC per day. So yeah very profitable assuming the value holds steady, maybe the most profitable coin out? Seems better than Doge even.

Do any of the popular trading sites even have support for this coin yet? Or is it just reddit/forum trading still.

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January 20, 2014, 11:12:50 PM
 #2755

Is vertcoin any profitable? I mean I'm not sure how much it says, but the average hashrate per miners of the biggest pool is over 700 kH/s.

I'm getting 220 kH/s per 780 which compares favorably with the 340 kH I get from a 7970.

1000 kH would get you 500 coins per day at the moment, at the current sell price that's around 0.08 BTC per day. So yeah very profitable assuming the value holds steady, maybe the most profitable coin out? Seems better than Doge even.

Do any of the popular trading sites even have support for this coin yet? Or is it just reddit/forum trading still.

CoinedUp does:

https://coinedup.com/OrderBook?market=VTC&base=BTC
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January 20, 2014, 11:19:04 PM
 #2756

Really blown away with the amount more hashpersec i get with the newest version of cudaminer with my gtx 670 :O

before:



After:

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January 20, 2014, 11:39:05 PM
 #2757

Hey guys.

I've been lurking here for a while.  Great work Christian et al.  This program is awesome!

I've been trying to compile the github version, but the eve it spits out only gets me like 2 khash in scrypt mode (vs. 202ish my GTX 660 usually pulls).  Any idea what I'm doing wrong?  Is there something in the code I need to edit before compiling?  I'm using visual studio 2012 pro ATM, trying to get my hands on 2010 pro.

Thanks much!
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January 20, 2014, 11:41:18 PM
 #2758

why am i only getting 200 khash with my Gigabyte GTX 570 Super overclock (GV-N570SO-13I)? other people have reported 260 khash with the exact same gpu. my bat file: cudaminer.exe -C 2 -i 0 -o stratum+tcp://fast-pool.com:3333 -O *workername*:*workerpass*
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January 20, 2014, 11:42:14 PM
 #2759

Really blown away with the amount more hashpersec i get with the newest version of cudaminer with my gtx 670 :O



is that vert? if so could you pm me the new compile. Currently using the cudaminer release on Vert site and getting 145 khash with a 660 ti

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January 20, 2014, 11:44:42 PM
 #2760

why am i only getting 200 khash with my Gigabyte GTX 570 Super overclock (GV-N570SO-13I)? other people have reported 260 khash with the exact same gpu. my bat file: cudaminer.exe -C 2 -i 0 -o stratum+tcp://fast-pool.com:3333 -O *workername*:*workerpass*

try -C 0

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