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GeezerVison is showing github.com — Remove `BUILD_CONST_KEY_MAP` opcode · Issue #122160 · python/cpython

Remove BUILD_CONST_KEY_MAP opcode #122160

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Remove BUILD_CONST_KEY_MAP opcode#122160
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@markshannon
markshannon
opened on Jul 23, 2024
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According to our stats the BUILD_CONST_KEY_MAP represents fewer than 1 in 20_000 instructions executed.

Presumably it is more common in startup code, but it has no real value there either.
For run once code, turning the keys into a constant merely moves the cost of building the keys from the interpreter to unmarshalling.

Linked PRs

  • GH-122160: Remove BUILD_CONST_KEY_MAP opcode. #122164

Activity

  1. markshannon
    added a commit that references this issue on Jul 25, 2024

    GH-122160: Remove BUILD_CONST_KEY_MAP opcode. (GH-122164)

    2e14a52
  2. markshannon
    closed this as completedon Jul 25, 2024
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