Crystal has the foundation for parallelism, it has the same concurrency model as go. Adding parallelism will happen before 1.0. Adding parallelism to crystal is

Crystal has the foundation for parallelism, it has the same concurrency model as go. Adding parallelism will happen before 1.0. Adding parallelism to crystal is easy, it's already been done in a branch and it works fine. The problem is getting the implementation fast enough that it doesn't regress performance for IO bound workloads. It's coming, just wait :)