[Feature request]: multithreaded assigner evaluation

[CblPOK-git]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is.

Describe the solution or interface you'd like A clear and concise description of what you want to happen.

Additional context It would help us to find the proper solution if you could describe a bit more about what algorithm you are trying to compile. It could be, for example, a public repository with your ongoing work, or a link to a discussion/proposal on ETH research.