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Learning to program in rust (programming.dev)

submitted 3 weeks ago by [email protected] to c/[email protected]

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[-] [email protected] 5 points 3 weeks ago

Arc is not free, and the extra atomic operations + heap allocations can become a bottleneck.

[-] [email protected] 1 points 3 weeks ago

Oh, I did not know that. Well, it makes sense that it has a heap allocation, as it becomes more or less global. Though not sure why the atomic operations are needed when the value inside is immutable.

this post was submitted on 05 Jul 2025

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