I have access to an imac pro, which I think has the right kind of hardware to be quite strong. I tried Leela with GPU but it just crashes. I also looked into AQ but tensorflow doesn't support GPU on mac anymore. What is the strongest option?

Hi!

I know of some other users that have been able to run Leela 0.11 and Leela Zero on Mac OSX 10.12 (but could not compile AQ or Ray).

So regarding Leela 0.11, if the GUI does not work, you might want to try the GTP version, with a standard GTP program. From what I read here and there, the GTP versions of Leela works on MacOS.

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I've been able to get the CPU only version of Leela running, but that doesn't really play to the iMac pro's real strengths. I'm looking for something that will take advantage of the quality GPU. The OpenCL version of Leela will run but crashes as soon as it starts trying to analyze anything.

I finally managed to get leela zero working, and have autogtp running to contribute. I'm not seeing the speed I expected, is about 5 minutes/game what one would expect from a fairly fast machine? Is it possible I missed an option in compiling and it is running CPU only?

At 5 min/game, it's clearly not using CPU only.

How many GPU threads are you using? With 1 thread on a GTX 970, I'm around a little over 2s/move

I'm also using one thread and getting almost exactly 2sec/move. I would have expected the vega 56 to be faster than that, but the mac opencl drivers are not supposed to be great so perhaps it is reasonable.