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JIT: lay out memory to group executable code together #129231

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JIT: lay out memory to group executable code together#129231
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diegorusso
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topic-JITtype-featureA feature request or enhancement

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@diegorusso
diegorusso
opened on Jan 23, 2025

When allocating memory to host JIT traces, we have the following layout:

  • code
  • data
  • trampolines
  • padding

We should group executable code together to improve icache locality. The new layout should be

  • code
  • trampolines
  • data
  • padding

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Activity

  1. diegorusso
    added
    topic-JIT
    on Jan 23, 2025
  2. diegorusso
    self-assigned this
    on Jan 23, 2025
  3. diegorusso
    added
    type-featureA feature request or enhancement
    on Jan 23, 2025
  4. diegorusso
    added a commit that references this issue on Jan 23, 2025

    pythongh-129231: group executable JIT code in memory

    657ce11
  5. brandtbucher
    added a commit that references this issue on Feb 2, 2025

    GH-129231: Group executable JIT code in memory (GH-129232)

    a29a9c0

  6. hugovk commented on Feb 5, 2025

    @hugovk
    hugovk
    on Feb 5, 2025
    Member

    Triage: PR merged. Please re-open if there's more to do.

  7. hugovk
    closed this as completedon Feb 5, 2025
  8. srinivasreddy
    added a commit that references this issue on Feb 7, 2025

    pythonGH-129231: Group executable JIT code in memory (pythonGH-129232)

    0555ec9
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