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About this quote

What does it mean?
He suggests compiling Perl with long doubles for an absurdly long time, mocking performance tweaks.
In plain terms
He humorously proposes an impractical compilation option.
What can you take from it?
Not all optimizations are practical.

Where it applies

  • building performance‑critical software
  • benchmarking

Putting it to work

  • focus on realistic optimizations

Questions to consider

  • What are realistic ways to improve Perl performance?
  • When do compiler flags matter?

Another view

The suggestion is intentionally absurd and not actionable.

More from Larry Wall

  1. The way I see it, if you declare something portable, you'll always be wrong, and if you declare it non-portable, you'll always be right. :-)

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