*The key to making programs fast is to make them do practically nothing.* This i... | Hacker News

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primis on Aug 24, 2016 | parent | context | favorite | on: Why GNU grep is fast (2010)

The key to making programs fast is to make them do practically nothing.

This is the Ultimate Truth of optimizing computer programs, and it seems so few people understand it.

"Why can't you make Python faster!?" Because Python does a lot of stuff without you asking.

0xmohit on Aug 24, 2016 [–]

> "Why can't you make Python faster!?"

You can. Use a Python wrapper to invoke a program written in another language. Python becomes faster.

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