Does envpool support class environments written according to the gym standard?

[jaried]

For example, I have an environment called MyEnv, and I use tianshou to run it. Is it correct to call it in the following way?

env=MyEnv()
train_envs = envpool.make(MyEnv, num_envs=args.training_num, env_type="gym")
test_envs = envpool.make(MyEnv, num_envs=args.test_num, env_type="gym")

[Trinkle23897]

You need to write env with C++ interface. See https://envpool.readthedocs.io/en/latest/content/new_env.html

[jaried]

Does it not support the environment written in python?

[Trinkle23897]

Current answer is, yes. Every single line of python code requires GIL, which blocks the overall speed of EnvPool. I was trying to propose an API as in #56 but I found it hard to do so.

[jaried]

I understand. Thanks for your answer.