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streamly/docs/Developer/roadmap.md
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1# Roadmap
3Some of these items may be present in the issues as well, but this file
4lists larger areas, experimental areas and organizes items by areas. We can
5also use the areas listed here as labels (aspect:topic) on issues.
7## Scheduling
9* Free applicative and Free Alternative, batched Alternative (push
10 scheduling instead of pull scheduling)
11* N-ary operations e.g. real balanced interleave
12* Scheduling: Coalescing of tasks based on programmer defined criteria
13 * Batching based on the target host
14 * Batching/chunking for parallel/distributed execution
15 * Batching iterations
17## Concurerncy
19* Controlled parallelism:
20 * Control based on the level in the tree
21 * Control based on the CPU/IO utilization based pacing
22 * Utilize non-blocking IO
23* Performance: Measure lock/CAS contention overhead, an option to
24 dequeue work and run in batches instead of one at a time to reduce lock
25 contention?
26* Cross thread recursion
28## Persistence
30* Pause and resume using something like
31 [monad-recorder](https://hackage.haskell.org/package/monad-recorder)
32* Save internal buffered state during a pause?
34## Testing
36* improve coverage