chinshou

I found the crash caused by free_params_immediately=true when calling new_sd_ctx. So I assume we should check this param when user call the txt2img multiple times. Or point out the problem...

> ;p you can try this commits branch: > > #236 > > I think it already fixed early, which currently is working on svd-xt heavy output check & waiting...

From https://github.com/reinforceio/tensorforce/issues/290 , it seems a ppo agent issue of tensorforce that does not often update the status often. So the gpu does not have many merit over the tensorflow...