D6594: RFC dirstatemap

[yuja (Yuya Nishihara)]

yuja added a comment.


  > sharing references between Rust and Python:
  > https://raphaelgomes.dev/blog/articles/2019-07-01-sharing-references-between-python-and-rust.html.
  
  Do you have some benchmark number compared to simpler (and dumb) approaches
  such as caching PyList/Dict representation?
  
  I heard boxing a PyObject has measurable cost, so we might even want to keep
  the entire data backed by PyObjects depending on how frequently the data will
  be exposed to Python world.
  
  (I don't have expertise to comment on the soundness of the proposed ref handling
  business, and this patch is too big for me to review, sorry.)

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  https://phab.mercurial-scm.org/D6594

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Cc: yuja, durin42, kevincox, mjpieters, mercurial-devel