• titzer's avatar
    [turbofan] Rework Node guts to save space. · 65b66634
    titzer authored
    This reduces the storage per-Node storage from 7 words to 6 and per-edge
    storage from 6 words to 4.
    On average this is about 10%-15% space savings over the whole graph.
    
    Remove the use of std::deque as the out-of-line storage for inputs.
    Reduce size of Use links and use pointer arithmetic to find Node
    from Use.
    
    R=mstarzinger@chromium.org,jarin@chromium.org
    BUG=
    
    Review URL: https://codereview.chromium.org/1150923003
    
    Cr-Commit-Position: refs/heads/master@{#28583}
    65b66634
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