Js_of_ocaml output performs considerably worse when built with --profile=release flag

Learning
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3

Hmm. I went to consult the dune docs here,

But didn’t see explicit JSOO release mode callouts.

Ideas:

  • assert that --profile=release activates the --opt=3 flag when calling into js_of_ocaml
    • probably have to dig thru the dune source
  • add options to compile with sourcemaps via (js_of_ocaml (<js_of_ocaml-options>)), and create heatmaps in your profiling