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by MarkSweep 399 days ago
> I haven't run into any these limitations in my own usage really, but I'm working at very small scales.

That’s the way a lot of the optimization problems work. If you have a sever or two, the efficiency is not such a big deal. Once you have a lot of servers, making Ruby a few percents more efficient reduces the number of servers you need and thus justifies paying people to optimize Ruby.