The lparallel API is divided into five packages:
lparallel.kernellparallel.promiselparallel.cognatelparallel.ptreelparallel.defpun
For convenience, the exported symbols of each package are also exported by the lparallel package.
The lparallel.queue package provides a queue for inter-thread communication. It is not included in the lparallel package.
Lisp in Parallel : lparallel 