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v8: enable maglev on supported architectures #51360

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merged 1 commit into from
Jan 8, 2024

Commits on Jan 4, 2024

  1. v8: enable maglev on supported architectures

    Enable V8's new maglev compiler by default on supported architectures.
    This brings modest performance improvements for short-lived workloads
    like CLI programs (see the linked issue) and brings Node.js's
    configuration slightly closer to Google Chrome's.
    
    I marked this change as semver-major because Maglev can theoretically
    cause performance regressions, although I haven't seen an example of
    that in the (somewhat limited) benchmarking I've done.
    
    **Notable Change Summary:** V8's Maglev Compiler is now enabled by
    default on supported architectures (https://v8.dev/blog/maglev). Maglev
    improves CPU performance for short-lived CLI programs by around 8%.
    
    Fixes: nodejs#50690
    kvakil committed Jan 4, 2024
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