The only difficulty I have is GCN assembler. I've spent a lot of time to create efficient environment for development in asm, that's the only reason of the delay. It's one-time delay related to all my miners, now I see that with assembler I can improve them all.
Does that mean that the eth miner and also xmr miner will get a boost?
What about rx support at xmr? Still get sometimes the fan bug.
At least for GCN 3 devices (like Tonga), ethminer is within 1-2% of the memory read performance limit of the cards. GCN assembler won't make it any faster for those cards.
Plus with the profitability of eth mining to drop significantly in the next few months, miner developers are generally not interested in doing more work into eth.