• Clemens Hammacher's avatar
    [wasm] Distribute compilation deadline evenly · be352f7c
    Clemens Hammacher authored
    Currently, all background compile tasks run for 50ms, then they all
    publish their results and restart. This results in significant
    contention during the publish phase.
    This CL introduces an atomic counter on the {CompilationStateImpl} to
    distribute the deadline more evenly: Each task executes between 50ms
    and 200ms, and tries to pick a deadline 5ms after the previously
    assigned deadline, if this lies within these boundaries. This speeds up
    publishing significantly and saves several percent compilation time
    overall.
    
    R=mstarzinger@chromium.org
    
    Bug: v8:8916
    Change-Id: Id32a5a72c1dd44d30df2ea09643b2a6e4f436944
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1627984
    Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
    Reviewed-by: 's avatarMichael Starzinger <mstarzinger@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#61841}
    be352f7c
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