Default to 1 interactive thread #57087
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IanButterworth
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Jan 17, 2025
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IanButterworth
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needs docs
IanButterworth
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Jan 18, 2025
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| function test_thread_range() | ||
| a = zeros(Int, threadpoolsize()) | ||
| @threads for i in 1:threadid() | ||
| a[i] = 1 | ||
| end | ||
| for i in 1:threadid() | ||
| @test a[i] == 1 | ||
| end | ||
| for i in (threadid() + 1):threadpoolsize() | ||
| @test a[i] == 0 | ||
| end | ||
| end | ||
| test_thread_range() | ||
|
|
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I couldn't figure out what this test is actually testing, given the test script always runs from thread 1
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fix test thread indexing make threads_exec work being called from :interactive and :default pools add tests for threaded construct default pools etc.
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I believe these make more sense as async than spawn, otherwise more orchestration is needed in the example. Were changed to spawn in JuliaLang#55315
IanButterworth
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Jan 20, 2025
| @@ -614,7 +614,7 @@ Start some other operations that use `f(x)`: | |||
| julia> g(x) = f(x) | |||
| g (generic function with 1 method) | |||
| julia> t = Threads.@spawn f(wait()); yield(); | |||
| julia> t = @async f(wait()); yield(); | |||
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These were changed to @spawn in #55315 but I think they make sense as @async otherwise more orchestration is needed when multiple threads are available to make the examples work as expected.
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Part of #43672
So:
default== 1 default, 1 interactive-t1== 1 default, 1 interactive-t1,0== 1 default, 0 interactiveetc.
Motivations
Todo
:interactivethreadpool, and that a bare@spawnor@threadswill schedule in the:defaultthreadpool-t1,0:interactivethreadpool during precompilation/PackageCompilerIssues