It's no longer clear what kind of pipeline is suitable for what kind of task in core.async.
Previously, my understanding was that anything I/O-bound should go into pipeline-blocking, while CPU-bound tasks went into regular (i.e. :compute) pipeline. But a while back :compute pipelines were changed to use threads instead of go-blocks. And now, with the introduction of virtual threads, pipeline-async seems like the right choice for I/O-bound tasks.
It seems that workloads are being classified into one of three types: :compute, :io, and :mixed. Is :async meant to be the equivalent of :io, and :blocking the equivalent of :mixed? I don't think that's original semantics, but it seems to be the mapping now.
