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    Changing one character wildly improved our application's performance go performance segment.com
    lu avatar via lu 12 days ago |
    Archive.org Archive.today Ghostarchive
    | 4 comments

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    justinpombrio avatar justinpombrio 12 days ago | link

    This is a nice advertisement for deriving standard methods like comparisons, in languages that support that.

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      carlmjohnson avatar carlmjohnson 11 days ago | link

      In generic Go, you can use < on any of the numeric types, but it’s not defined on structs, so it wouldn’t be defined for the example.

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      Kronopath avatar Kronopath 11 days ago | link

      Tl;dr they had accidentally used <= instead of < in a comparison function for a sort, causing a lot of unnecessary swaps of equal values.

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        wink avatar wink 10 days ago | link

        …and it wasn’t sync -> async…