Re: [GPUC] GPU Coin

How do you choose the best TC for your card? Also I've been getting a lot of hw errors, but I lowered the Intensity, the HW errors stop, but my hash is low I was getting 200khash on scrypt, but only 22khash with no hw errors on N

What card are you using?

6850 its my personal pc wanted to get more hash going to my mining setup

I have a 6870 getting 145 -155 with the following settings. vertminer o.5.3

color 0D
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1

vertminer.exe --scrypt-vert -o stratum+tcp://gpu.oakpool.com:3355 -u yourminername -p yourpassword --thread-concurrency 6721 --lookup-gap 0 --gpu-engine 900 --gpu-memclock 1000 -w 64 -I 14 -g 1
pause

I spent a lot of time fooling with concurrency settings to get reasonable speed.

How did you choose the numbers for TC??

For normal scrypt, TC can usually go up to Twice your GPU's shader count (i think). But with Scrypt-N it needs to be lower. Usually 8000 or 8192 works on scrypt, but you might want to google up the various settings that could be used and try them all to see what gives you best result.

Anything lower than about 22000 on these cards with scrypt-n seems to throw out hundreds of HW errors for some reason.