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[Guide] YACoin mining on Nvidia GPU's - Page 4

post #31 of 37
Quote:
Originally Posted by Ali Man View Post

You sure the 6GB would be any better?

The 3GB version barely takes somethnig like 2.3GB of Vram.

That's because the card can't allocate anymore threads in the dedicated vram buffer without losing performance or tossing out errors.
The amount of shaders the 780 has makes it necessary to use a high -L (lookup gap) value to reduce the memory footprint of each gpu thread being spawned to get as many of them as possible to saturate the shaders, otherwise you'd be limited to smaller launch configs, ergo, lower thread count (think lower intensity on AMD gear) before getting HW (or cpu does not validate result kind of errors and crashes on cudaminer).

Lookup gap makes it possible to get to 7.5kh/s while using 2.3gb of vram, fine, but it also introduces a huge performance penalty compared to a lower -L value.
It would boost performance tremendously for instance, allowing us to use bigger launch configs, going from something like 3760 gpu threads at -L 6 to 7936. So yeah, perf would increase radically biggrin.gif
post #32 of 37
So, not to sound like a broken record, but what would be causing a GTX 680 to only get 1.5-2 khash/s? Alot of the extra settings are just specifying defaults.

When I run the auto it gives me K53x1. I see some of you have completely different numbers there, could that explain something?

EDIT NVM! I found what worked better

cudaminer.exe -o stratum+tcp://yac.coinmine.pl:9088 -L 4 -b 4038 -u Username:worker_1 -p x --algo=scrypt-jane:YAC -l k107x2

getting 4.8 khash/s
Edited by Hydraulic - 3/31/14 at 7:32am
post #33 of 37
Quote:
Originally Posted by Hydraulic View Post

So, not to sound like a broken record, but what would be causing a GTX 680 to only get 1.5-2 khash/s? Alot of the extra settings are just specifying defaults.

When I run the auto it gives me K53x1. I see some of you have completely different numbers there, could that explain something?

EDIT NVM! I found what worked better

cudaminer.exe -o stratum+tcp://yac.coinmine.pl:9088 -L 4 -b 4038 -u Username:worker_1 -p x --algo=scrypt-jane:YAC -l k107x2

getting 4.8 khash/s

lol it rapes the 280X gaming cards I got...4kh/s at stock.
post #34 of 37
It has been varying alot actually. It went right of the start up around there, and as low as 3.9. Seems to be fluctuating, but I also started it on my cpu, so no telling how that is effecting it.
post #35 of 37
When a new stratum block is detected I have found you see a dip in the numbers but they go up pretty quickly.
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Errdegahr Ktonos
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post #36 of 37
now on my 760 that is running the following bat file

cudaminer.exe -o stratum+tcp://yac.coinmine.pl:9088 -i 1 -L 4 -u username.YAC_2 -p x --algo=scrypt-jane:YAC -l k53x4

will crash after about 30 mins. Any ideas?
post #37 of 37
Quote:
Originally Posted by ivanlabrie View Post

cudaminer.exe -s 10 --algo=scrypt-jane:YAC -d 0,1 -i 0 -C 2 -b 8192,4096 -L 6,2 -l t12x32,t4x16 -m 1 -o stratum+tcp://yac.coinmine.pl:9088 -u ivanlabrie.1 -p x

7.4kh/s - GTX 780
3.5kh/s - GTX 750 Ti

(the other miner is yacminer, running two R7 240 2GB cards)

wink.gif

Ultracoin will soon reach N 12, same with cachecoin, fun times ahead!


I'm using your setting and I'm getting pretty much the same result with my rig. 17.5 kh/s with five 750ti.

smile.gif
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