3 ms·
Great read! > One of my goals of writing these articles is to learn so feedback is more than welcome! When I went into the Rust playground to see the assembly
by KineticLensman 2y ago
Great read!
> One of my goals of writing these articles is to learn so feedback is more than welcome!
When I went into the Rust playground to see the assembly output for the Cumulative Sum example, I could only get it to show the compiler warnings, not the actual assembly. I'm probably doing something wrong, but for me this was a barrier that detracted from the article. I'd suggest incorporating the assembly directly into the article, although keeping the playground link for people who are more dedicated / competent than I am.
- the8472 2y agoThe function has to be made pub so it doesn't get optimized out as unusued private function. Godbolt is a better choice for looking at asm anyway. https://rust.godbolt.org/z/3Y9ovsoz9 https://rust.godbolt.org/z/3Y9ovsoz9
- KineticLensman 2y agoAh, that worked, thanks! Although I can now see why he didn't include the output directly.
- hayley-patton 2y agoNarrator: "The code did not, in fact, auto-vectorise." (There's only addsd/movsd instructions, which are add/move scalar-double; we want addpd/movpd which are add/move packed-double in vectorised code.)