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by tezka 4689 days ago
Another Relevant anecdote: I personally prototyped a complex data transformation in Clojure in about a week. I then had to re-implement it in C++ which took about three more weeks, but was actually able to perform near to the speed of the super fast raid HDD (~1gBps). The clojure code (even after a lot of type hints etc) never got past 60MB/sec throughput, which would be a showstopper for a tool that has to process a lot of data online.