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About this quote

What does it mean?
The speaker admits to over‑thinking Perl efficiency based on code length, and jokes about changing his mind.
In plain terms
Efficiency isn’t tied to how short code is, and opinions can shift.
What can you take from it?
Don’t judge performance solely by brevity.

Where it applies

  • code reviews
  • performance tuning

Putting it to work

  • measure actual performance
  • stay open to new approaches

Questions to consider

  • What metrics better reflect efficiency?
  • How often should we revisit our assumptions?

Another view

The comment is self‑deprecating and may not offer concrete guidance.

More from Larry Wall

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  3. Jesse Vincent: My dog is Web 2.0. Prove me wrong. Larry: Does your dog have a long tail? Damian Conway: If you enjoyed these practices, find 245 more like this…

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