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Add --threads N flag to control parallelism #51

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#64
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Add --threads N flag to control parallelism#51
#64
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enhancementNew feature or requestgood first issueGood for newcomers

Description

@melihbirim
melihbirim
opened on Jul 13, 2026

Parallel execution currently auto-picks core count (src/parallel_mmap.zig). Expose a --threads N flag to cap it — useful for benchmarking, CI, and shared machines.

Scope: parse flag, thread the value into the parallel engine's worker count. 0/absent = auto (current behavior).

Where: src/options.zig (flag), src/parallel_mmap.zig / src/mmap_engine.zig (worker count).

Done when: --threads 1 runs single-threaded and --threads 4 uses 4 workers; document in --help.

Activity

  1. melihbirim
    added
    enhancementNew feature or request
    good first issueGood for newcomers
    on Jul 13, 2026

  2. Ehtasham-Yasin commented on Jul 14, 2026

    @Ehtasham-Yasin
    Ehtasham-Yasin
    on Jul 14, 2026
    Contributor

    Hi! I’d like to work on this issue. I’ve reviewed the relevant CLI options and parallel execution code, and I plan to add the --threads N option while preserving the current auto-detection behavior when the value is 0 or omitted. I’ll also add tests and update the help documentation. Please let me know if there are any implementation preferences I should follow.

  3. melihbirim commented on Jul 15, 2026

    @melihbirim
    melihbirim
    on Jul 15, 2026 via email
    OwnerAuthor

  4. melihbirim commented on Jul 15, 2026

    @melihbirim
    melihbirim
    on Jul 15, 2026
    OwnerAuthor

    Also dont forget to star the repo !o!

  5. melihbirim
    closed this as completedin #64on Jul 15, 2026
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