So yeah that last one is not really called "anti-aliasing" but I can't remember the actual name so here u go. Overall it seems there are a lot of big(!) optimizations left that the compiler can do, so it's not unlikely Rust perf will continue to see significant improvements!
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My understanding is that the family of "aliasing" optimizations currently exist in Fortran, but not in C, and are largely responsible why math things are fast in Fortran. Rust's ownership model would allow us to enable the same benefits. Folks seemed excited, and I'm excited too
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(A->B->C getting collapsed to remove the B is inlining, not NRVO. NRVO is about return values being written to the parent function's stack frame)
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Ah yeah that's what I had in mind, but I guess the words didn't align ehe. Thanks for the clarification!
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