Julia vs R vs Python: simple MLE problem

This is great, thanks for the work to improve latency in Julia! So, the improvement in Optim’s compile time is a result of improvements in base Julia, not specific coding changes in Optim?

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Probably, unless Optim has also done work to improve its own compile time latency, but I’m not aware of any such work and this degree of improvement is completely in line with what we’ve seen in other packages from the work on Base since 1.0 came out. There was already a lot of improvement in 1.1 and 1.2 will be better still.

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So the sub-1-second compilation times reported by @xiaodai are not due to using PackageCompiler, but just generally faster pre-compilation? Pretty impressive, if so.

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Unfortunately, I don’t think I (or any of the other contributors) can claim this victory, though I am certainly very happy that it is the case!

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