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A comment on Ruby is beautiful (but I'm moving to Python). Parent comment

Re:Ruby is beautiful (but I'm moving to Python) by razzmataz on Monday October 31, 2011 @10:31PM (#3180319)
>It also doesn't help that such capability have to be implemented as C extensions due to performance requirements.

If you think the NumPy and SciPy stacks are pure python, you'll probably be surprised to find a lot of C and fortran sitting under the hood.

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Re:Ruby is beautiful (but I'm moving to Python) by mbell on Monday October 31, 2011 @11:06PM (#3180419)
I know they are not written in Python, that comment wasn't meant to be a knock on Ruby's performance in any way. Its simply the case that writing a highly performant vectorized computation library in a language that doesn't allow direct memory manipulation is a non-starter.
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