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by timr 4126 days ago
As with all things, it depends on context. If you're trying to write a graphics or audio system in Ruby, this kind of thing can really matter. If you're writing a Rails app, it's rounding error on the time waiting for I/O.

Profiling is essential when figuring out how to improve your code. What we're doing here is explaining one weird benchmark result.

1 comments

Except that's not what's being said:

"Why blocks make Ruby methods 439% slower" implies something that isn't happening here, at least to me.