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This one ? https://wordsandbuttons.online/the_real_cpp_killers.html https://wordsandbuttons.online/the_real_cpp_killers.html from https://news.ycombinator.com/

• deltasepsilon 3y ago
  Thank you for your suggestion, but no. This wasn't explored recently. It's been a year at least since this was discussed. The work comes from an academic researcher in a CS or Engineering department. I'm interested because it presents a much higher-level view of optimization beyond micro-optimization where people worry about such things as cache effects and such, which would be bound to micro-architectural implementation choices.
  • deltasepsilon 3y ago
    Woah, I can't believe it, I've found the discussion that linked the thing I was looking for. [1] It's called Coz, the causal profiler [2]. I've submitted this talk again, because I think it's super interesting. [1] https://news.ycombinator.com/item?id=36366179 https://news.ycombinator.com/item?id=36366179 [2] https://www.youtube.com/watch?v=r-TLSBdHe1A https://www.youtube.com/watch?v=r-TLSBdHe1A