Twiggy

Jul 20, 2023

Code size profiler for Wasm

Twiggy is a code size profiler for Wasm. It analyzes a binary’s call graph to answer questions like

  • Why was this function included in the binary in the first place? Who calls it?
  • What is the retained size of this function? I.e. how much space would be saved if I removed it and all the functions that become dead code after its removal.


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