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In my session, I will present the https://hotpath.rs crate and explain how it compares to other profiling tools available.
In 2024, I added the `Option::as_slice` and `Option::as_mut_slice` methods to libcore. This talk is about what motivated the addition, and looks into the no less than 4 different implementations that made up the methods. It also shows that even without a deep understanding of all compiler internals, it is possible to add changes both to the compiler and standard library.
In this talk, we'll dive deep into what makes concurrency coordination costly, and explore some pathways to mitigate that cost.
