Is `@async` memory safe?

[ericphanson]

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Task scheduling semantics

I needed to know about the new behavior but was also confused about where to look. To link up some information I found: The co-scheduling behavior of @async tasks with their parent tasks was discussed in https://github.com/JuliaLang/julia/issues/41324 For 1.7, it was decided that unsticky tasks become sticky if they launch any children with @async, thus ensuring that @async tasks always run on the same thread as their parent. https://github.com/JuliaLang/julia/pull/41334 This probably isn’t…