Here’s the tongue-in-cheek summary of the trends which, if you believe that the HPCS effort provides a glimpse of the future, will soon be entering the mainstream:
- Threads are out (demoted to latency controlling status), tasks (and semi-implicit parallelism) are in.
- Message passing is out (demoted to implementation detail), shared address space is in.
- Locks are out (demoted to low-level status), transactional memory is in.
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