this post was submitted on 29 Jul 2025
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Programming
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tldr:
opinionated tldr:
Their conclusion in section 3.1:
That said, they really seem to be pointing out that there are exceptions to this rule, where the languages that solve a problem most quickly are not the ones that use the least energy doing it. If you step back from the detail of individual algorithms, speed and energy efficiency do seem broadly to vary together, as one would expect.
That was a fascinating discovery. It seems Pascal and Fortran in particular fit into the "faster but less efficient energy-wise" category. I wonder what's going on there.
What they do have in common is that they are both O.G. languages.