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Highest-performance Stream Processing

Talkat OCaml 2022 · on Friday, 2022-09-16
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Library implements complete stream fusion and generates C and OCaml code from declarative pipelines, eliminating intermediate tuples and allocations so pipelines run in constant memory and without function-call overhead. It supports map, filter, take/drop, zip, flatmap, tupling and stateful streams for windowing and compression, emits vectorized AVX loops, produces ~260 lines of C for a DSP pipeline, sustains ~10 million 32-bit samples/sec for an FM receiver, and matches handwritten imperative baselines while handling zip+flatmap cases that make others slow.

AI-written summary · about

  1. 0:00Introduction to streamonus
  2. 0:50Core features and fusion
  3. 3:01Library updates and backend
  4. 4:20DSL and code examples
  5. 7:47FM radio case study
  6. 11:53Performance benchmarks
  7. 14:43Conclusion and resources
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