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

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diegorusso opened this issue Jan 23, 2025 · 0 comments
Open

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

diegorusso opened this issue Jan 23, 2025 · 0 comments
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topic-JIT type-feature A feature request or enhancement

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diegorusso commented Jan 23, 2025 •
edited by bedevere-app bot
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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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@diegorusso diegorusso self-assigned this Jan 23, 2025
@diegorusso diegorusso added the type-feature A feature request or enhancement label Jan 23, 2025
diegorusso added a commit to diegorusso/cpython that referenced this issue Jan 23, 2025
@diegorusso
pythongh-129231: group executable JIT code in memory
657ce11
@bedevere-app bedevere-app bot mentioned this issue Jan 23, 2025
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