Фото: Александр Пирагис / РИА Новости
Optimization adventures: making a parallel Rust workload 10x faster with (or without) Rayon
。关于这个话题,体育直播提供了深入分析
If you’re counting, that’s six layers of abstraction between your browser and System.out.println("Hello World"). Your CPU is emulating x86_64 instructions through QEMU’s Tiny Code Generator, which itself has been compiled to WebAssembly, which your browser’s JavaScript engine is JIT-compiling down to native machine code. It’s emulation all the way down.
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