Re:Why Wasn't Ruby 3 Faster?
by jashmatthews on Wednesday February 10, 2021 @10:36PM
(#26097995)
Ruby had support for in-process concurrency via threads for the last 14 years.
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And yet, see the comment that started this thread. It is simply true that concurrency was a pain point for rails for a lot of people for a long time. (I don't know if it still is, I've been out of that game for five years.)