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  1. Swift
  2. SR-4330

Use reference-counted copy-on-write existential buffers

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Medium
    • Resolution: Done
    • Component/s: Compiler
    • Labels:

      Description

      This tracks work to use reference-counted copy-on-write buffers when the payload of an existential does not fit in the inline buffer. This will avoid some malloc() allocation of buffers in exchange for reference counts and uniqueness checks, which we expect to be an overall win for performance.

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            Assignee:
            aschwaighofer@apple.com Arnold Schwaighofer
            Reporter:
            bob-wilson Bob Wilson
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