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Pinning GC threads #73

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carstenbauer opened this issue Jul 4, 2023 · 2 comments
Closed

Pinning GC threads #73

carstenbauer opened this issue Jul 4, 2023 · 2 comments

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@carstenbauer
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carstenbauer commented Jul 4, 2023 •
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We do have a basic API for pinning threads loosely to, e.g., NUMA domains now (issue #67, PR #71).

How to access/pin GC threads? Assuming we can't @tspawnat code on them (correct?) we likely need a low-level API in the Julia runtime, right? Similar to https://github.com/xianyi/OpenBLAS/blob/4d0b7fbec04c95c90291938a5974f00673e10e68/driver/others/blas_server.c#L341-L369 perhaps?

(cc @vchuravy)
@carstenbauer carstenbauer mentioned this issue Jul 12, 2024
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@carstenbauer
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carstenbauer commented Jul 12, 2024 •
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The new API will be in Julia 1.11: JuliaLang/julia#53402

See the related issue #95

@carstenbauer carstenbauer changed the title How to pin GC threads? (Julia >= 1.10) Pinning GC threads Jul 12, 2024
@carstenbauer
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Beta support has landed on the main branch. However, it doesn't seem possible to pin the last GC thread somehow. We'll have to figure this out later.

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