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by norswap
458 days ago
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I used to work on compilers & JITs, and 100% this — polymorphic calls is the killer of JIT performance, which is why something native is preferable to something that JIT compiles. Also for command-line tools, the JIT warmup time can be pretty significant, adding a lot to overall command-to-result latency (and in some cases even wiping out the JIT performance entirely!) |
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