JIT

GH-133231: Changes to executor management to support proposed `sys._j… #3396

Job	Run time
Interpreter (Debug)	9m 18s
i686-pc-windows-msvc/msvc (Debug)	23m 8s
i686-pc-windows-msvc/msvc (Release)	14m 11s
x86_64-pc-windows-msvc/msvc (Debug)	22m 55s
x86_64-pc-windows-msvc/msvc (Release)	14m 19s
aarch64-pc-windows-msvc/msvc (Debug)	22m 22s
aarch64-pc-windows-msvc/msvc (Release)	18m 40s
x86_64-apple-darwin/clang (Debug)	13m 19s
x86_64-apple-darwin/clang (Release)	9m 31s
aarch64-apple-darwin/clang (Debug)	9m 46s
aarch64-apple-darwin/clang (Release)	9m 37s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 36s
x86_64-unknown-linux-gnu/gcc (Release)	6m 11s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 17s
aarch64-unknown-linux-gnu/gcc (Release)	6m 26s
	3h 19m 36s

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