Performance Matters (how brittle is your executable)

I saw this video "Performance Matters" which goes into how the affects of link order, memory layout, etc actually affects the execution speed of programs. I was wondering, how many/much of what he talks about affects real Rust programs, and does Rust developers take these issues into consideration.

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I remember watching the video and reading through the discussions on Reddit r/rust.

It also seems there is an attempt(possibily on-going) to support the coz Causal profiler(explained in the video) for Rust. (GitHub link)

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