Multi-GPU broken

[Lignum]

I'm running the miner with -a, however it only mines on a single GPU. -l finds two GPUs, same signature, of course, but differing IDs (0 and 1).

[dmarcuse]

I think I know why this is happening - I'll work on a fix.

[dmarcuse]

Should be fixed in latest beta code as of 8954f6c.

[Lignum]

Indeed. Cheers!
However, I seem to get unusually low hash rates... being around 70MH/s. Considering that my GPU screams around that rate, which it does, it's not just a miscalculation. I'm running 8954f6c, for reference.

EDIT: Also happens on 72ff834.
EDIT 2: Mining on a single GPU halves the hash rate to 35MH/s... this might be obvious to point out, but just making sure you know enough.

[dmarcuse]

72ff834 isn't any different from 8954f6c as far as the Java side is concerned.

Can you try running the profiler again and using the arguments it gives you?

[Lignum]

Sure thing. The profiler gave me -d 1912350326:4194304, which doesn't fix the issue. It may be worth pointing out that the profiler can reach 160MH/s perfectly fine.

[Lignum]

To further narrow it down, c7b3333 can do the job perfectly fine aside from the then-existing Multi GPU issue.. so it must've been a change in 8954f6c.

[dmarcuse]

Fixed as of 43deb8e.