We simply use lparallel with incredible results. We combine that with using a thread-safe version of cl-containers, such that we save futures in a container, a

We simply use lparallel with incredible results. We combine that with using a thread-safe version of cl-containers, such that we save futures in a container, and then when needed, force the futures in the entire container. https://lparallel.org/ https://lparallel.org/ https://github.com/gwkkwg/cl-containers https://github.com/gwkkwg/cl-containers