15MH/s on 390?

johnjinnjohnjinn Member Posts: 7
edited April 2016 in IoT & Hardware
Hi,
I seem to be getting pretty poor performance on my single R9 390:

min/mean/max: 0/5168247/15785728 H/s
inner mean: 8613745 H/s

I'm running
ethminer.exe --opencl-device 0 --cl-global-work 16834 --cl-local-work 256 -G
with the following config:
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
SETX GPU_MAX_HEAP_SIZE 100

I'm using an old 500GB HDD and disk usage is sitting at 100% during benchmark.
Could that be the problem? Any ideas what else I could try?

Additional config:
G3258, 8GB RAM, R9 390 8GB, newest drivers, Win81 64bit, eth 0.9.41.

Answers

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