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feat(sys): add sys_available_parallelism #1184

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May 14, 2024
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mkroening
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We could deprecate sys_get_processor_count in favor of sys_available_parallelism.

Signed-off-by: Martin Kröning <martin.kroening@eonerc.rwth-aachen.de>
@stlankes
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Why is this name more useful? I like the naming from num_cpus.

@mkroening
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I don't feel strong on this, but the reasoning behind Rust naming it like this (rust-lang/rust#74479 (comment), rust-lang/rust#89324) makes sense to me:

For the user, it is important to know how many threads they can spawn to make use of the available concurrency of the system. It is not relevant to how many physical CPU cores or hyperthreads or hardware threads this maps.

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Ok. At this stage we should not remove the old interface. Just to support num_cpus.

@stlankes stlankes added this pull request to the merge queue May 14, 2024
Merged via the queue into main with commit 56b1ac7 May 14, 2024
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@mkroening mkroening deleted the sys_available_parallelism branch May 14, 2024 11:41
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2 participants