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by physguy1123
2880 days ago
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SIMD, multicore, and caches don't just magically happen with better compilers. SIMD requires very specific memory access and computation patterns, and cache-friendly code has similar restrictions. The features of even basic javascript fly in the face of code being simd and cache friendly except for the most trivial programs. Automagically parallelizing general serial code is something that isn't feasible on any hardware similar to modern cpus and probably will never mesh well with fast single-threaded performance (communication and synchronization in hardware is HARD) |
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