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Re:Sussman Explains the End of SICP by lanstin on Saturday February 04, 2023 @04:18PM (#34658399)
Tho the difference between disk and RAM is collapsing. It used to be (90s) bog standard advice to never write to disk in the call path of a customer request. Now, there’s hardly anything that isn’t writing to disk all the time; but not spinning platters, just SSD.

So maybe their confusion is less bad than it seems at first? Maybe?

Re:Sussman Explains the End of SICP by layer8 on Saturday February 04, 2023 @04:37PM (#34658611)
While the numbers are changing, there are still 2-3 orders of magnitude between RAM and SSD latency: https://colin-scott.github.io/personal_website/research/inte...
Re:Sussman Explains the End of SICP by lanstin on Saturday February 04, 2023 @07:56PM (#34660334)
And a similar gap between cache and RAM, but a software engineer unclear about the finicky business of cache optimization would not seem as dumb as the person in the original post.