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Adding local work requesting scheduler that is based on message passing internally #5845

Merged
merged 6 commits into from
Aug 30, 2023
Merged

Adding local work requesting scheduler that is based on message passing internally #5845

merged 6 commits into from
Aug 30, 2023
+2,134 −100

Commits on Aug 28, 2023

  1. Adding local work stealing scheduler that is based on message passing… 

    … internally

- Using uniform_int_distribution with proper bounds
- Removing queue index from thread_queues as it was unused
  - flyby: remove commented out options from .clang-format
- Renaming workstealing --> workrequesting
- Adding adaptive work stealing (steal half/steal one)
  - this makes this scheduler consistently (albeit only slightly) faster than
    the (default) local-priority scheduler
- Adding LIFO and FIFO variations of local work-stealing scheduler
  - flyby: fixing HPX_WITH_SWAP_CONTEXT_EMULATION
  - flyby: minor changes to fibonacci_local example
- Adding high- and low- priority queues
  - flyby: cache_line_data now does not generate warnings errors if padding is not needed
- Adding bound queues
- flyby: using cache_line_data for scheduler states
    @hkaiser
    hkaiser committed Aug 28, 2023
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  2. Fixing race during destruction of hpx::thread

    @hkaiser
    hkaiser committed Aug 28, 2023
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  3. Fixing merge conflicts, revert changes to thread exit callbacks

    @hkaiser
    hkaiser committed Aug 28, 2023
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  4. Fixing use of sliding semaphore

    @hkaiser
    hkaiser committed Aug 28, 2023
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  5. Cleaning up implementation

    @hkaiser
    hkaiser committed Aug 28, 2023
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  6. Reapply necessary fixes to scheduler

    @hkaiser
    hkaiser committed Aug 28, 2023
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