I still have no time for it

I have several 1070s.

When setting up a rig, I tried a single 1070 on a spare PC. I was getting 1400kh/s.

So I built a rig with multiple 1070s and each one now is getting around 800-1100kh/s. I am also getting a message: "share doesn't validate on CPU"

I am using cpuminer-opencl with command:
minerd.exe -a wildkeccak_ocl -o stratum+tcp://bbr.mbkpool.info:7777 -u  -p x -k http:///scratchpad.bin -l scratchpad.bin

What is going on? I have the most recent nividia drivers.

I am running Windows 10

TIA

1. As always, I'm ready to reduce dev fee if someone who is not too lazy creates a good AMD miner to make some competition.
2. XMG requires some efforts, I will do it when I have time, right now I'm really busy with other miners.

Just to let you guys know, it is entirely possible to improve the OpenCL kernel of this miner by eliminating scratchpad registers (register spills). I am currently getting 795KH/s, a 30% increase in speed, with a RX 480 and a heavily modified kernel. It is also possible to optimize the generated GCN code and make the kernel even faster.

I am currently focused on Ethereum mining because it is more profitable, but I might release my custom NeoScrypt  kernel when I have a chance.