Fascinating that two compiler self-host rewrites -- C# 6 "Roslyn" and Go 1.5 -- incurred ~2x regression. Pointers, GC, strings, ... Hard.
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Replying to @funcOfJoe
@xjoeduffyx AFAIK the Go team didn't attempt a "true" rewrite, so much as machine translation with cleanup (dunno about C#).
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Replying to @Gankra_
@Gankro Started w translation; abandoned after was clear it didn't work; still ended up a significant loss. Common theme: GC.
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Replying to @funcOfJoe
@xjoeduffyx @gankro I think it's not so much GC as that the Go compiler doesn't really optimize.
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